> For the complete documentation index, see [llms.txt](https://docs.voltmasters.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.voltmasters.io/changelog/readme.md). # Changelog {% updates format="full" %} {% update date="2026-08-13" %} ## Release Notes - Mid August A small release: **two new energy meters**, **PV production on the integrated MPPT** of the Dyness DH series, **explained battery strategies** in the planning modal, and a set of device and alarm fixes. ### Device Management #### Newly supported devices You can now connect, monitor and control more hardware directly from Voltmasters. See the full [device integrations](https://docs.voltmasters.io/device-integrations/overview-list) overview. * **Acrel ADL400**: three-phase DIN-rail energy meter, usable as grid meter or submeter. Available on controllers from version 0.0.315. [Documentation](https://docs.voltmasters.io/device-integrations/energy-meters/acrel) * **Schneider PowerLogic PM5000**: energy meter covering the whole PM51xx to PM56xx family. Available on controllers from version 0.0.317. [Documentation](https://docs.voltmasters.io/device-integrations/energy-meters/schneider/pm5000) * **PV on the Dyness DH100F and DH200F**: the solar field on the battery's integrated MPPT now appears automatically as a separate PV device under the battery system, with its own production and yield. [Documentation](https://docs.voltmasters.io/device-integrations/battery-systems/dyness) #### Device fixes * **Dyness DH series**: the status of the battery is now shown with readable labels, the MPPT yield is divided over the connected strings in proportion to their capacity, string readings stay visible while the MPPT is idle, and a reversed string current no longer shows up as an impossible amount of solar production. Detection of the integrated MPPT also works when the installation is read out at night. * **SAJ CHS2**: the grid meter and battery values are read from the correct registers, a healthy meter is no longer reported as faulty right after start-up, and no meter values are shown while the meter is not on the bus. [Documentation](https://docs.voltmasters.io/device-integrations/battery-systems/saj) * **GoodWe SEC3000C**: the solar capacity is no longer fixed on a value measured while the inverter was still ramping up. [Documentation](https://docs.voltmasters.io/device-integrations/battery-systems/goodwe) * **Huawei SmartLogger**: on plant level the battery is now also controlled when the site has a shortage instead of a surplus. [Documentation](https://docs.voltmasters.io/device-integrations/battery-systems/huawei-smartlogger-hybrid) * **Battery readings**: an implausible state-of-charge reading no longer discards the rest of the battery data for that cycle; the last known charge level is kept instead. *** ### EMS dashboard & battery planning * **Strategies explained**: every strategy in the battery planning modal now has an info icon that describes what the controller actually does during such a block. The "Automatic" hint moved into the same tooltip, so all options are explained the same way.\ ![](/files/5Jl2MSh2vF0NCLASCtYi) *** ### Incidents & Notifications * **No more emergency alerts from test incidents**: incident types that are still being field-tested no longer trigger emergency notifications. They are still recorded and remain visible to administrators. * **Calmer oscillation damping**: fewer false detections, one report per episode instead of a report per occurrence, no reports when nothing was actually damped, and damping is only released once the installation really stops oscillating. *** ### Reliability & control quality * **Silent devices detected faster**: the controller monitors on its own whether every device keeps delivering fresh data and reports a device that falls silent. {% endupdate %} {% update date="2026-08-10" %} ## Release Notes - Early August This release adds a **charge-level projection** to the battery plan, **battery planning in the mobile app**, more supported hardware, an **automatically detected MAC address** when adding devices, **oscillation damping** for battery control, and a broad set of interface, incident and reliability improvements. ### EMS dashboard & battery planning * **Charge-level projection**: next to the "Plan" button of the battery plan there is now a **Charge level** button. It asks the controller for its projected state of charge and shows the curve in a modal, together with the covered time range and the minimum/maximum charge band of the battery. Available on controllers from version 0.0.314.\ ![](/files/ndMamNJ9qDDAy1OP2UWe) *** ### Device Management #### Newly supported devices You can now connect, monitor and control more hardware directly from Voltmasters. See the full [device integrations](https://docs.voltmasters.io/device-integrations/overview-list) overview. * **AlphaESS STORION-LC-TB125**: battery system (PCS and BMS), including the grid meter and PV inverter that sit behind it and are read out through the battery system. [Documentation](https://docs.voltmasters.io/device-integrations/battery-systems/alpha-ess) * **Hoymiles HoyUltra 2**: battery system (PCS). [Documentation](https://docs.voltmasters.io/device-integrations/battery-systems/hoymiles) * **Schneider EVlink Pro AC**: AC EV charger, with a new **connector fault** incident type that reports a faulty charging connector. [Documentation](https://docs.voltmasters.io/device-integrations/ev-chargers/schneider-evlink-pro-ac) #### Adding and managing devices * **MAC address read automatically**: when the Add Device wizard probes a device, the EMS controller now reports the MAC address it reads off the network. * **MAC address column**: the device list has a new optional MAC address column. The address is refreshed automatically when a device's connection settings change. * **Slave ID prefilled**: when adding a device, the Modbus slave ID is prefilled with the value most commonly used by comparable devices. * **Clearer device overviews**: both device lists are now ordered by project, then type, then name, and the cross-project overview shows the project column by default. *** ### Mobile app * **Battery planning on mobile**: the quarter-hour battery plan can now be read and adjusted from the mobile app, just like on the web dashboard. * **Two days of energy prices**: the price graph can now show today and tomorrow instead of a single day. * **Notifications follow the incident**: a push notification is dismissed automatically once the incident it announced is resolved. *** ### Incidents & Notifications * **Recurring incidents recognised correctly**: a repeated incident is now matched on the controller's own key instead of on its message text, so a reworded message no longer leaves the previous occurrence open and unrelated incidents no longer close each other. * **Readable incident lists**: descriptions are truncated to one line in the list, and the full description appears immediately on hover. * **Cleaner inbox**: notifications for incidents that were removed by the retention cleanup are now removed as well, so resolved items no longer reappear as unread. *** ### Reliability & control quality * **Oscillation damping**: the controller detects power oscillations and damps them, and raises an incident when it does. Telecontrol emergency stops always take priority: they bypass the damping and hold windows completely, so a grid-operator stop is never delayed. * **Isuna battery systems**: several control fixes: the EMS setpoint is followed while charging, PV curtailment works when part of the strings are already off, battery power is reported without PV conversion losses, and no control state survives a restart. * **PV communication-loss fallback**: the fallback power limit for SunSpec PV inverters is armed more reliably and released correctly when the adapter stops. *** ### Interface & navigation * **Faster-feeling pages**: charts and cards now show a skeleton in the shape of the content while data loads, and the loading overlay disappears as soon as the chart appears. * **Overview rows open the project**: clicking anywhere on a row in the project overview opens that project's dashboard. * **Automatic reload after an update**: when a new version is deployed while you have a page open, the page reloads itself once instead of showing an error. *** ### Accounts * **Smoother invitations**: a user who registers through a project invitation is signed in right away, and the terms and conditions are only requested after the invitation has been accepted. {% endupdate %} {% update date="2026-07-30" %} ## Release Notes - Late July This release introduces a fully reworked **battery planning** view with per-quarter overrides, **day-ahead prices for 22 European bidding zones**, **Portuguese** as application language, **RTU event history** for telecontrol, remote **battery restart**, and a broad set of chart, reporting and reliability improvements. ### Languages * **Portuguese** is now available as an application language. * **Invitations in the recipient's language**: when inviting users or partners you can now pick the language of the invitation. The invitation emails also got a refreshed, responsive design. *** ### EMS dashboard & battery planning * **Reworked battery planning**: the battery action plan is now shown per quarter-hour on the dashboard, with the past rendered as a solid read-only band and clearer, translated reasons in the tooltips. The installation graphs were merged into a single view.
* **Per-quarter strategy overrides**: on cost-optimization projects you can now override the planned battery behaviour per quarter-hour directly from the plan, including a power input for "follow scheduled power".
* **Manual reactive-power override** for battery systems (PCS). * **Energy-price block**: a predicted price range is now visualised in the graph, imbalance prices are only shown for countries that actually have them, and imbalance prices are displayed on market time.
* The battery and PV **trading state** now reflects the controller's actual steering intent. *** ### Device Management #### Newly supported devices You can now connect, monitor and control more hardware directly from Voltmasters. See the full [device integrations](https://docs.voltmasters.io/device-integrations/overview-list) overview. * **Huawei LUNA2000-215 Smart String ESS**: battery system (PCS). [Documentation](https://docs.voltmasters.io/device-integrations/battery-systems/huawei-luna2000-215) * **Solis hybrid inverter**: battery PCS. [Documentation](https://docs.voltmasters.io/device-integrations/pv-inverters/solis) * **Sinexcel PWS1-1725KTL-H**: battery PCS. [Documentation](https://docs.voltmasters.io/device-integrations/battery-systems/sinexcel) * **Pylontech LEMS**: BMS support (previously listed as Pylontech M5). [Documentation](https://docs.voltmasters.io/device-integrations/battery-systems/pylontech) * **Risen Storage V2**: per-stack BMS devices are now available under the PCS. [Documentation](https://docs.voltmasters.io/device-integrations/battery-systems/risen-storage) #### Device features * **Remote battery restart**: supported battery systems can now be restarted from the Actions page on the device detail. * **IO port event history**: the device ports page has a new History tab showing port on/off events with filters, pagination and exact timestamps.
* **Configurable communication-loss fallback**: the fallback power limit applied when communication with a PV inverter or EV charger is lost can now be configured per device. * **Add Device wizard**: parameters now reload automatically when you pick a different adapter for custom devices. * **Clearer audit trail**: device parameter and model changes are logged more completely, the activity log can be filtered by user and device, and search also matches deleted device parameters. * Devices that are used as a proxy target are now protected against accidental deletion. * Controllable load devices now have their own icons. *** ### Telecontrol (DSO RTU) * **RTU event history**: the telecontrol page now shows the history of RTU constraint events, including reason codes and date filtering in your own timezone.
* **Per-device-type production setpoints** are now shown in the telecontrol state. *** ### Energy prices * **Day-ahead prices for 22 bidding zones**: coverage was expanded with Denmark, Sweden, Norway, Ukraine and more; Italy was split into its seven bidding zones; and missing prices for Luxembourg and Italy were fixed. One year of historical prices was backfilled. * **Gridual imbalance trading** is now available in production, including a dedicated energy-trading Pro dashboard. * **Yuso imbalance trading**: battery and PV can now be controlled simultaneously, with separate PV and battery connections. *** ### Charts & Reporting * **CSV export on every chart**: all dashboard charts now have an export button to download the underlying data.
* **Chart readability**: power axes keep a sensible minimum range so small variations no longer look dramatic, small battery energy values scale correctly, and the cursor and tooltips of stepped price series were improved. * **Timezone-correct date filters**: report and dashboard date filters now interpret the chosen dates in the right timezone, so viewers in a different timezone no longer see the previous calendar day. * **Fluvius comparison** now includes consumption and production graphs. * **Energy-meter dashboard**: smarter default grid-meter selection and meter icons that match the measurement type. * **Menu**: the reports (including the new Savings dashboard) were regrouped under a Reports menu section. *** ### Reliability & control quality * **More accurate PV forecasts**: forecast calibration against measured production was improved, curtailed periods are handled correctly, and forecast diagnostics were added. * **Clearer grid-limit incidents**: grid-limit warnings now use a limit-proportional margin, a warning severity, and an actionable message. * Fixed a PV curtailment deadlock and export-limit oscillations that could cause PV output to swing between zero and full capacity. * Stability fixes for the SMA Sunny Tripower, Solis hybrid, Elecnova and Huawei Luna device integrations. * **Controller network configuration**: host network interfaces can now be managed remotely. *** ### Incidents & Notifications * **Incident emails only for critical incidents**: like push notifications, incident emails are now limited to critical incidents to reduce noise. {% endupdate %} {% update date="2026-07-16" %} ## Release Notes - Mid-July This release adds **new languages** (Spanish, French and German), **wind turbine support**, a **Spanish time-of-use energy contract**, more supported hardware, smarter **peak-shaving and sub-meter load management**, and a broad batch of dashboard, device-settings and reliability improvements. ### Languages * **Spanish, French and German** are now available as application languages, alongside the existing ones, both in the web platform and the mobile app. You can switch language in your profile, and the interface (including energy-price and device copy) is fully translated. *** ### Device Management #### Newly supported devices You can now connect, monitor and control more hardware directly from Voltmasters. See the full [device integrations](https://docs.voltmasters.io/device-integrations/overview-list) overview. * **C-Battery Cbat-IQ**: battery system (PCS), including multi-bank support. [Documentation](https://docs.voltmasters.io/device-integrations/battery-systems/c-battery) * **Elecnova ECO-E233LS**: added PCS and BMS model support. [Documentation](https://docs.voltmasters.io/device-integrations/battery-systems/elecnova) * **EME eCON+ energy meter**: energy metering support, including proxy/sub-meter handling behind the eCON+. [Documentation](https://docs.voltmasters.io/device-integrations/energy-meters/eme) * **Solar irradiance meters** (Soluzione Solare, IMT Technology): measure on-site solar irradiance and derive a PV power curve from it for more accurate solar output. [Documentation](https://docs.voltmasters.io/device-integrations/solar-irradiance-meters) * **Victron EasySolar-II** (beta): battery inverter (PCS). [Documentation](https://docs.voltmasters.io/device-integrations/battery-systems/victron) * **Sungrow SG125CX-P2** (beta): PV inverter. [Documentation](https://docs.voltmasters.io/device-integrations/pv-inverters/sungrow) #### Device settings * **Cleaner device tables**: updated default visible columns and removed the firmware-version column for a clearer overview.![](/files/2cSvnqzxKtmwR4v3EERx) *** ### Wind * **Wind turbine support**: wind turbines can now be added as a device type, with turbine parameters (hub height, rotor diameter, cut-in/cut-out speed, power curve). The platform produces wind-output forecasts from weather data, calibrated against measured production, and includes wind generation in the battery scheduling and grid-limit calculations. [Documentation](https://docs.voltmasters.io/device-integrations/wind-turbines)\ ![](/files/PxA8yFkgiAmnYNAvwxkC) *** ### Energy Management #### Contracts & pricing * **Spanish time-of-use energy contract (P1-P6)**: a new fixed contract type that applies the Spanish CNMC 3.0TD/6.1TD tariff periods per quarter-hour (season, hour and weekend/holiday, Madrid time). Only offered for Spanish projects. [Documentation](https://docs.voltmasters.io/voltmasters-platform/10.-project-settings/10.11-energy-contracts) #### Battery & load control * **Peak-shaving reserve**: the former "power boost reserve" (only used for DC fast charging) is now a general **peak-shaving reserve** that keeps grid import under its limit for any load. It is applied consistently across self-supply and cost-optimization. [Documentation](https://docs.voltmasters.io/control-algorithms/peak-shaving-reserve)
* **Sub-meter load management**: load management now enforces limits across the full metering hierarchy. When a (sub-)meter approaches its limit, the platform first discharges the battery and curtails EV charging before shedding controllable loads, keeping each meter within its limit.\ ![](/files/aAkmgKydqo1r8jh2UDFV) #### EMS dashboard * **Clearer control-mode block**: added labels for injection and PV-bypass schedule reasons, PV standby / full-production / curtailment states, overrule direction, and a "disabled" / "external control" status.\ ![](/files/pUiUDAAwAj55Urv9NwuG) * **Energy-price block**: price blocks can now be expanded, EPEX prices are shown in the same block, and the chart is bound to a single day for easier reading. [Documentation](https://docs.voltmasters.io/voltmasters-platform/10.-project-settings/10.8-energy-price-calculation)\ ![](/files/cK9R52DamaMtV7ef2Scp) * Removed the standalone imbalance-price display and graph from the dashboard and trading pages. *** ### Reliability & control quality * **More accurate battery scheduling**: injection and grid-charge planning were refined so reserved energy is no longer spent too early and cheap-window arbitrage is dispatched correctly. * **Better Victron control**: DC-coupled MPPT curtailment and VE.Bus battery control are more stable on single-, two- and three-phase systems. *** ### Metering & Reporting (Fluvius) * **Fluvius comparison**: reworked the comparison view with clearer date-range and mandate selection, better anomaly detection, and terminology updated from "controller" to "local measurement" for clarity. [Documentation](https://docs.voltmasters.io/device-integrations/energy-meters/fluvius)\ ![](/files/N4GIQ78fSgQshsXbNfsg) *** ### Pro Dashboards * **Clearer Pro dashboards**: graph legends now show device names instead of technical identifiers, and the Algorithm and EV-charging dashboards have filters at the top so you can select the devices and series you want to see.\ ![](/files/H7OHBnbe58lzD5FvXNT7) *** ### API * **Forecast**: You can now fetch all forecast data via API. *** ### Incidents & Notifications * **Only critical incidents are pushed**: mobile push notifications are now limited to critical incidents to reduce noise. * **Fewer false alarms**: the stale-heartbeat threshold was increased from 15 to 30 minutes, and missing consumption predictions now self-heal before an incident is raised. *** ### Mobile app * The project dashboard now shows the **controller software version** and **wind turbine** data. * Spanish language was added. *** ### Telecontrol (DSO RTU) * **EME eCON+ as telecontrol provider**: the eCON+ can now be used as a telecontrol provider over Modbus. [Documentation](https://docs.voltmasters.io/dso-rtu/grid-operators/eme-econ-plus) *** ### Projects & reporting * **Country filter on projects**: the project overview can now be filtered by country. * **Detailed consumption export**: missing minutes are now added as empty rows so every interval is present in the export. {% endupdate %} {% update date="2026-07-06" %} ## Release Notes - July Building on the mid-June releases, this update brings a large wave of **new hardware support**, optimized energy trading, new **imbalance-trading partner**, expanded **DSO RTU (telecontrol)** monitoring, and a broad set of dashboard, planning and reliability improvements. ### Device Management #### Newly supported devices You can now connect, monitor and control more hardware directly from Voltmasters. See the full [device integrations](https://docs.voltmasters.io/device-integrations/overview-list) overview. * **GoodWe SEC3000C**: hybrid battery inverter (PCS). [Documentation](https://docs.voltmasters.io/device-integrations/battery-systems/goodwe) * **Huawei SmartLogger Hybrid**: battery PCS that groups SUN2000 inverters and grid meters behind a single SmartLogger — now also supporting **multiple grid meters** on one SmartLogger. [Documentation](https://docs.voltmasters.io/device-integrations/battery-systems/huawei-smartlogger-hybrid) * **Risen Storage V2** and **EcoSourcen EMS V2**: battery systems. [Documentation](https://docs.voltmasters.io/device-integrations/battery-systems) * **Sinexcel DC Charger**: DC fast charger for electric vehicles. [Documentation](https://docs.voltmasters.io/device-integrations/ev-chargers/sinexcel-dc-charger) * **SMA Sunny Tripower TL-30** and additional **STP** models (STP 8000TL / 9000TL / 10000TL / 17000TL): PV inverters. [Documentation](https://docs.voltmasters.io/device-integrations/pv-inverters/sma) * **SAJ CHS2**: its grid meter is now resolved automatically under the hybrid inverter. #### Improved commissioning * **Huawei SmartLogger discovery** is faster and more reliable: it reads device identification to map inverters and grid meters, rejects stale entries, and shows **live progress** during commissioning. *** ### Energy Management #### Battery scheduling * **Grid charge for injection**: a new strategy option that lets the battery buy cheap grid energy specifically to resell it at injection-price peaks (used together with injection sales). [Documentation](https://docs.voltmasters.io/control-algorithms/cost-optimization/selling-energy-to-the-grid)\ ![](/files/s1iUncSe3lUEgtm6Bh7C) * **More accurate injection planning**: several fixes so the schedule dispatches injection sales correctly at price peaks. [Documentation](https://docs.voltmasters.io/control-algorithms/cost-optimization/battery-schedule) * **The battery now rests during idle slots**: during an idle schedule slot the battery no longer self-supplies the whole site to zero grid. It only "boosts", discharging just enough to keep the site within the grid import limit, and leaves the economic self-supply to the planned slots. [Documentation](https://docs.voltmasters.io/control-algorithms/cost-optimization/battery-schedule) #### EV charging * **Smoother EV & battery coordination**: EV power budget now ramps smoothly. [Documentation](https://docs.voltmasters.io/control-algorithms/ev-charging) #### Solar (PV) * **Better PV production forecasts**: daily per-inverter scoring of forecast versus actual, with automatic bias correction and weather-aware improvements.
*** ### Energy Trading #### New imbalance-trading partners * **Engie** is now available as imbalance trading provider. Configure them in the project's energy trading module. [Documentation](https://docs.voltmasters.io/voltmasters-platform/10.-project-settings/10.2-energy-trading-module)\ ![](/files/qGH9WpIzusSGBSTPXg8G) #### Improved * **Simpler trading configuration**: trading eligibility is now determined automatically by device controllability, so the manual per-device enable/disable form has been removed. [Documentation](https://docs.voltmasters.io/voltmasters-platform/10.-project-settings/10.2-energy-trading-module) * **New EPEX regions**: energy-price calculation now supports new EPEX bidding zones: DE, AT, CH, GB, PL. [Documentation](https://docs.voltmasters.io/voltmasters-platform/10.-project-settings/10.8-energy-price-calculation) *** ### DSO RTU (Telecontrol) * **Sibelga** is now supported as a telecontrol operator (over Modbus TCP), added through a new multi-operator telecontrol layer. [Documentation](https://docs.voltmasters.io/dso-rtu/how-telecontrole-works) * **Local emergency-stop triggers**: configured IO digital inputs can now assert production/consumption emergency stops locally, combined (OR-ed) with the grid operator's IEC-104 commands. [Documentation](https://docs.voltmasters.io/dso-rtu/telecontrole)
Example configuration of RTU emergency stop
* **RTU status dashboard**: a new telecontrol visualization shows live RTU status and raises incidents when the RTU triggers an emergency stop. [Documentation](https://docs.voltmasters.io/dso-rtu/dashboard)
* **Fluvius energy-data mandate**: support for the Fluvius (itsme) mandate flow to retrieve metering data. [Documentation](https://docs.voltmasters.io/dso-rtu/grid-operators/fluvius)
*** ### EMS Validation * **Project delivery validation**: New projects can be marked ready for validation, with a status bar on the EMS dashboard. This requests the Voltmasters project engineers to validate the configuration. *** ### Planning & Overrides * **One-off consumption planning**: schedule temporary load for a concrete date/time range, alongside the existing recurring weekly slots. [Documentation](https://docs.voltmasters.io/voltmasters-platform/10.-project-settings/10.6-consumption-planning)
* **Scheduled manual overrides**: device manual overrides can now be scheduled with from/till pickers. [Documentation](https://docs.voltmasters.io/voltmasters-platform/8.-device-management/8.2-device-settings) *** ### Mobile app * **IO extension ports** are now available in the mobile app, showing each port's direction and assignment (controllable load, telecontrol trigger, emergency stop or switch position).\ ![](/files/Q6xXscbCD1fnQsQe5hRq) *** {% endupdate %} {% update date="2026-06-17" %} ## Release Notes - June (part 2) This release introduces support for **IO extensions and controllable loads**, expands the list of supported hardware, adds a **Flexible** energy contract type, a **network check** for EMS controllers, and a partner **webhook** API, alongside numerous accuracy and reliability improvements. ### Device Management #### IO extensions & controllable loads You can now connect an **IO extension** to the EMS controller and use its relay outputs to switch simple **on/off loads** (for example heating elements, pumps or auxiliary equipment) on and off directly from Voltmasters. * **IO extension** as a new device category, with digital inputs and relay outputs. **Moxa** is the first supported brand. * **Controllable loads** wired to a relay output of an IO extension, with: * a configurable **relay actuation mode** (normally open / normally closed, and whether the device is ON or OFF when the contacts close) * a **default output state** * **scheduling parameters** to control when the load may switch * A dedicated **Ports** tab on the IO extension to configure each port (direction and usage). * **Manual overrides** to force a port or a controllable load on or off. * **Telecontrol emergency stops**: map IO extension output ports to the production and consumption telecontrol stops in the project settings. Each port can be used by a single stop.
#### Newly supported devices * **Poweroad Flex261 AIO Liquid Cooled**: liquid-cooled all-in-one battery system. * **Schneider iEM3355 & iEM3455**: energy meters, added as beta. * **SAJ CHS2 self-consumption mode**: the SAJ CHS2 hybrid inverter can now be configured to allow self-consumption mode, giving you more control over how the device prioritises using your own generated energy. *** ### Energy Management #### New * **Flexible energy contract type.** Alongside dynamic and fixed contracts, you can now choose a **Flexible** contract: rates are adjusted periodically (for example monthly or quarterly) but remain fixed within that period. The contract-type tooltip now explains the difference between dynamic, flexible and fixed. *** ### Partner Portal & Integrations #### New * **Partner webhook API.** Partners can now manage **webhook subscriptions** through the integration API (create, list, view, update, delete, ping, and rotate the signing secret) and receive notifications when a project's coupling configuration changes. A project **site-config** endpoint has been added as well.\ See documentation: *** ### Settings & Administration #### New * **Network check for EMS controllers.** Voltmasters can now test network connectivity from the controller to specific hosts and services (TCP, DNS, NTP, STUN and HTTP), including latency, resolved addresses and HTTP status, to quickly diagnose connectivity problems. *** {% endupdate %} {% update date="2026-06-11" %} ## Release Notes - June ### Device Management #### Newly supported devices A major expansion of supported hardware. You can now connect, monitor, and control the following devices directly from Voltmasters. **Batteries & battery inverters** * **SAJ CHS2**: hybrid inverter combining solar and battery in a single unit * **Teplore V2**: battery inverter for residential and commercial storage * **Elecnova Eco**: battery inverter for energy storage * **EcoPowerCell**: battery system for storing solar energy **Solar (PV) inverters** * **Solax X3**: three-phase PV inverter, now supporting a 4th PV string * **Solax X3 Pro 15K G2**: high-power three-phase PV inverter * **Solaxmega**: PV inverter for larger installations **EV chargers** * **Mennekes Amtron**: smart charging station for electric vehicles **Energy meters** * **Socomec DIRIS A-30**: energy meter for accurate consumption measurement #### Improved * Several devices have graduated out of **beta** and are now fully supported. *** ### Energy Management #### Improved * The **Grid Limit Safety Controller** now has an improved emergency-stop procedure and clearer warnings. It actively monitors your grid connection limit and intervenes before it is exceeded, helping you avoid peak penalties and outages. * The consumption peak is now calculated per **15-minute interval**, in line with grid operator settlement. *** ### EMS Dashboard & Monitoring #### New * **Calendar date picker** on dashboard graphs. Jump straight to any day, or switch between day, week, and month views to review historical data.
Calendar date picker on dashboard graphs

Pick any day, week, or month directly from the graph.

#### Improved * **Battery statistics** no longer show unknown or unavailable values, for a cleaner overview. * **EV charging dashboard** with corrected values, a revised connector interface, and a clearer charging-session tooltip. * Improved **energy price graph** on the EMS dashboard, now showing live consumption and injection prices.
EV charging dashboard connectors

Per-connector status, state of charge, live power, available power, and charging priority.

Energy prices on the EMS dashboard

Consumption and injection prices at a glance.

*** ### Incident Management #### New * New incident types for **battery (BMS) and inverter (PCS) faults**, so hardware problems are detected and reported more precisely, including readable descriptions in your own language. *** ### Partner Portal The partner portal gets a major upgrade this release. #### New Partner Dashboard The partner portal now opens on a brand-new **Partner Dashboard**, your central cockpit as a Voltmasters partner. In one place you get: * Key figures for your portfolio: active projects, active subscriptions, hardware integrations, and hardware-agnostic coverage * A live feed of **recent changes** across all your projects * Direct access to your account manager and technical support contacts * Quick links to the technical documentation and shared documents you can use to introducte Voltmasters to your clients.
Partner Dashboard

The new Partner Dashboard, your central overview as a Voltmasters partner.

#### Support & ticketing Alongside the dashboard, the partner portal now includes built-in **support**, so you no longer need email to get help: * Create support tickets directly from the portal * Track all your tickets in a single overview, each linked to the relevant project and device * Tickets are handled through our helpdesk for faster, traceable follow-up *** {% endupdate %} {% update date="2026-04-28" %} ## Release Notes - April ### Security #### New * **Two-factor authentication (2FA)** is now available for added account security. * We strongly recommend enabling it for all users. *** ### Reporting & insights #### New consumption report Available via the Energy Meters dashboard. Includes: * Totals and peak values per energy meter * Totals per PV inverter * Project-level totals * Date range filtering * Tariff scheme filtering (day/night) * Export functionality * Minute-level export for detailed internal settlement *** ### EMS Dashboard #### New * **Per-minute measurements** in daily view for more accurate visibility of peaks and fluctuations. * New graph for: * energy prices * grid power * New KPI blocks: * **Self-supply rate** * **Self-consumption rate** #### Improved * Updated graph UI for better readability. * Smoother chart rendering. * Filters moved closer to graphs. * Improved labels for: * Consumption * Grid import * Grid export * Each battery now shows **SOC** in the energy flow diagram. *** ### Energy Management #### New * New battery load balancing strategies: * Cascade * Pro Rata * Configurable in project settings. * Grid capacity / contract power changes can now be: * Applied immediately * Scheduled for later execution * Scheduled changes are automatically applied. * Detection of deviations between battery setpoint and actual battery power. * On each device, you can now configure whether the TCP connection must be exclusive or may be shared. * Imbalance prices are now fully logged for all prices published by Elia in the context of market pricing. * Purpose: market analysis to support development of proprietary control strategies. *** ### Incident Management #### New * Incidents now include severity levels: * Info * Warning * Critical * Open incidents can now be manually marked as resolved. #### Improved * Status icons better reflect open, muted, and severe incidents. *** ### Device Management #### New support * ABB EV chargers * Fluvius P1 energy meters * Sunny Tripower PV models * Expanded support for SunSpec-compatible PV inverters #### New * Energy meter can be set as **main meter** directly during setup. * Battery setup now requires minimum and maximum SOC values. * Clear distinction between virtual and physical devices in the setup form. #### Improved * Additional tooltips added to input fields. *** ### Project Management #### Improved * Projects without devices are now more clearly highlighted in the project list. * Net connection references / meter point IDs can now be managed. * Improved validation and country-specific guidance added. *** ### PV & Energy Data #### Improved More consistent and accurate calculations for: * battery state of charge * PV production * quarter-hour peaks * consumption totals * PV dashboard now correctly retains inverter selection between combined and individual views. *** ### API & Integrations #### New New integration API for partners and energy providers: * Retrieve projects * Energy meter data per quarter-hour * Peak and interval values for external reporting and integrations {% endupdate %} {% update date="2026-03-31" %} ## Release Notes - March ### Partner Portal & Management #### New * New **Partner Portal** for improved collaboration and management. * Partner information visible in the sidebar. * Partner logo shown in the menu. * Users can be invited via email to access the partner environment. * Partner settings available per project. * Website link added to partner profile. #### Billing * Overview of invoices. * Overview of subscriptions. * Export/download of subscription data. * Partner billing details are now automatically prefilled during subscription checkout. * Mandatory user consent checkbox when activating subscriptions. *** ### Project Management #### New * Direct navigation from project status icon to incidents. * Firmware update prompt may appear when creating a new project. * API key management moved to project settings. #### Improved * Grid settings in project configuration are now better structured. *** ### Device Management #### New * New **All Devices** page. * Direct link to device settings. * Filters by type + model. * Per-device telecontrol can now be enabled/disabled individually. * Manual device overrides with full history tracking. #### New supported devices / brands * PowerVault * Eastron SDM630 * Etrel * Siemens * Growatt * Risen Storage #### Improved * Reduced number of required fields when adding devices. * Better prevention of duplicate devices. *** ### EMS Dashboard & Monitoring #### New * New **control mode** view. * New **EV Charging Pro dashboard** for charging stations. * Live data on dashboards: * battery status * real-time solar production * charging status * Daily PV forecast now visible in dashboards. #### Improved * Redesigned energy flow diagram. * Improved layout. * Better handling of long names. * Battery State of Charge added. * Higher refresh rate for the energy flow diagram. *** ### Solar / PV #### New * Incident created when PV production is missing for 2 hours while production is expected. * Smarter PV forecasting using weather data and historical data. * Nominal power and production capacity added to configuration. * PV curtailment visualization in graphs. * Display of total curtailed energy. #### Improved * More accurate solar forecasting. * Inverter power is now taken into account in predictions. * Nominal power can be auto-filled when adding PV installations. * Improved fallback when weather or prediction data is unavailable. *** ### Energy Management #### New * Manual consumption planning input now available. * Peak power split into: * consumption * injection #### Improved * Better handling of negative values in imbalance graphs. * Clearer explanation for consumption planning inputs. *** ### API & Integrations #### New * Introduction of a general API with API key authentication. * API endpoints for: * devices * curtailment * calibration * overrides * incidents * manual overrides * Full API documentation available. #### Improved * Trevi integration now uses a separate certificate per project. * Fix for ENTSO-E day-ahead prices when quarters are missing. *** ### General Improvements * Faster user experience due to background controller updates. * More reliable tooltips and graphs. * Improved error messages for invalid email addresses. * Grafana Pro dashboards are now refreshed daily to ensure the latest version is always available. {% endupdate %} {% update date="2026-02-20" %} ## Release Notes - February #### EV Charger Support * **New EV Charger module**: full support for EV chargers in the platform. * **EV dashboard**: new overview page with charging stations and connectors, real-time power, donut chart, and SoC column. * **Charging priority**: priority can be set per connector; changes are processed in a queue. * **Integration**: EV chargers included in the EMS dashboard (block) and in consumption planning. * In project settings, a **power boost reserve** can be configured. This buffer is built up to smooth peak loads from DC fast chargers. #### Subscriptions and Invoicing * **Subscription flow**: new “activate-subscription” structure with subscription plans. * Management page to handle subscriptions and invoices. * Possibility to adjust billing details for upcoming invoices. #### EMS Dashboard and BMS Dashboard * **Dashboard redesign**: renewed EMS dashboard with line chart and improved battery visualization. * **Energy meters**: “show unmeasured” option for energy meters; device type calculator now uses active power. * **EMS dashboard optimization** #### Consumption Planning * Interface to manually enter consumption planning. * Plan additional consumption as recurring. For example, for machines that switch on at fixed times where sufficient energy must be buffered to smooth this consumption peak. #### Incidents and Monitoring * **Muted incidents**: incidents can be muted; muted incidents no longer count toward status/badges in the project overview. * **New triggers**: incident for negative consumption; command that verifies whether PV production is actually generating when it should. #### Device Support and Management * **New brands/models**: Hite (PCS/BMS), Solis, Growatt, Socomec (energy meter), Schneider IEM3555 energy meter. Sunspec generic PV device; SCU BRES reverse PCS adapter; proxy for Gres BMS; Hite combiner box. * **Adding devices**: wizard redesigned: * Device properties are read live from the device. * Check if the device is reachable during setup. * Child devices are detected and offered for automatic addition (e.g., hybrid inverters). * Support for multiple BMS devices per inverter. * Improved validation and device configuration. #### MCP (Model Context Protocol) * **MCP server**: new MCP server with device search and resources. Currently in beta. #### Strategy and Trading * **Project strategy**: deadband as a project strategy setting. #### Minor Adjustments and Improvements * **UI/UX**: small design and padding fixes; horizontal scrolling on battery components (no mouse wheel); fixed scrolling in charts; copy-to-clipboard for hardware ID (HTTPS); phone number no longer required/unique in profile. * **Forms**: improvements to General Settings, add device form, and user profile (including precognition, password saving); tooltips and visibility logic in device settings. * **Charts**: hidden series filtered from tooltip; tooltip rendering fixed when first series is disabled; minimum y-axis set to 0; adjusted line width; check added when chart element is not found (no mount). {% endupdate %} {% update date="2026-01-31" %} ## **Release Notes – Web Application** * Rework of the EMS dashboard * Filter muted incidents from project overviews and the incidents item in the project menu * Project filtering based on incidents now takes the muted status of incidents into account * Project configuration: new fields added — power boost reserve (%) and deadband (kW) * Fix for negative production values on the EMS dashboard * Google Chat notification when creating new projects * Data update: `total(Dis)ChargedWattHours` replaced by `consumptionWh` and `productionWh` * Energy flow diagram now uses kW values read directly from the PCS, instead of V × A × cos φ * Extended input validation for imbalance provider configuration * Profile update: phone number is no longer required and no longer needs to be unique * Fix for negative values on the EMS dashboard and energy meters *** {% endupdate %} {% update date="2026-01-06" %} ## Firmware versie 0.0.192 #### PV Curtailment Optimization * Grid export limit is now implemented directly in PV inverter setpoint calculations. * Improved curtailment handling for edge cases: * negative injection price, positive consumption price * negative injection price and negative consumption price #### Battery Scheduling * Added a new **“Charge at max power”** action type to the battery schedule. * Introduced an explicit action to charge the battery at maximum available power. * `compensate_pv_surplus` is now actively scheduled instead of defaulting to idle behavior. #### Control Logic Improvements * Added a dead zone to self-supply control to prevent unnecessary oscillations. * Improved trading logic to prevent unintended battery charging from the grid when trading is enabled. ### Controller Debugger UI – Enhancements #### Activity Logs * Important system events are now logged locally on the controller, improving diagnostics and troubleshooting. #### Extended Controller Dashboard The dashboard now includes additional system-level information: * System information * Memory usage * Storage status * Network details * Complete list of incidents
#### Configuration Tab * API authentication token is now displayed in a readable format for secure server communication. #### Forecast Page Improvements * Added date filtering (from–until). * Improved graph layout and readability. * Updated styling of statistics summary blocks. #### Controllers Overview * Added a new controller type: **BatteryScheduleController**. ### Forecast API & Data Processing #### Forecast API Update * Forecast API migrated from **v1 to v2**. * Power values are now returned in **Watts (W)** instead of **Watt-hours (Wh)**. #### Internal Data Handling * All forecast data is automatically converted from **W to kW** for processing and visualization, including: * Consumption * Total PV generation * PV generation per inverter #### Debug Enhancements * Debug server now exposes historical forecast data up to **48 hours** in the past. * Forecast visualizations in the debugger have been improved for clarity and usability. ### New Features * Provisioning flow added for new EMS controllers. * Sites dashboard extended with search and filter functionality. * Support added for **Schneider PAS600**. * Gateway device information added to the device communication overview. * Option added to enable or disable advanced logging to reduce data usage. * Project settings now display controller information and include an **EMS controller update** button. * Project name, time zone, and project ID are now included in controller configuration. ### Improvements & Fixes #### ESS, PV & Data Accuracy * Corrected consumption and production calculations in the ESS graph. * PV dashboard data corrected. * Battery performance email values corrected. * Peak power information removed from battery performance emails. #### UI & UX * Device override interface improved. * Tooltip corrected in the projects table when a controller is offline. * Changelog table updated. * Improved translations of algorithms. #### Incidents & Monitoring * Added new incident type: **“unknown”** for unidentified keys. * Improved handling of unknown incident types. * Removed duplicate incident detection. * Chat notification added for fire alarm incidents. * Additional checks added to hide battery temperature or DC breaker statistics when not available. ### User Permissions & Visibility * Both customers and installers now have access to the pro dashboards. * Manual override is hidden for non-connectable inverters. * Pro dashboard variables extended with `project_id`. ### Stability & Reliability * Various internal optimizations and stability improvements across the system. *** {% endupdate %} {% update date="2025-11-15" %} ## Firmware Version 0.0.191 This single update consolidates all functional, structural, and integration changes implemented across all intermediate versions. ### Device, Adapter and Integration Support A major expansion of supported hardware. #### Newly Supported Devices * Huawei Smartlogger * SMA inverters (Sunny Tripower, Sunny Boy and related models) * Fronius inverters * ABB inverters * Goodwe inverters * Sungrow inverters * Carlo Gavazzi EM24 energy meter * Fluvius AMR digital meter * Virtual PV adapter #### PCS, Battery and BMS Improvements * New adapters for: * Liquid-cooled BMS * EP Energy EPES233 PCS * SCU BRES BMS and PCS * EnjoyPower PCS * Poweroad PMS PCS * Corrected register mappings for all PCS types * Added DC-side max charge and discharge current readouts * Added battery production and consumption channels * Added calibration command and calibration state handling * Added derating coefficient support * Added unmanaged device mode for read-only operation * Improved device health evaluation using severity classification #### Metering Enhancements * Added auxiliary energy meters for PV and PCS * Corrected inverted metering direction * Improved active-power accuracy * Added production capacity configuration ### Trading, Forecasting and Imbalance Logic #### Trevi * Full implementation of Trevi battery trading provider * Added Trevi imbalance signal support * Added persistent trading state management * Improved trading signal mapping and decision logic * Added calibration lockout to prevent usage during automatic calibration * Integrated Trevi metadata and measurements into process image logging #### Yuso * Full Yuso optimization integration * Added Yuso imbalance signal support * Fixed maxSiteOfftakeActivePower reporting * Added logic to prevent charging from grid when operating in Yuso local mode * Updated standby behaviour and local-mode optimizations #### Forecasting * Added complete forecast provider (API and static fallback mode) * Added retry logic for forecast updates * Fixed interval clearing issues * Improved W→kW conversion accuracy * Added fallback to self-supply when forecast data is insufficient * Improved alignment of forecast data with 15-minute intervals ### Algorithms, Control and Optimization #### Cost Optimization * Fully rewritten charging and discharging algorithm * Proportional power distribution based on energy headroom * Battery grouping logic based on pricing differences * Improved PV buffering and oversupply handling * Improved consumption reconstruction and calculation logic * Enhanced load scheduling with minimum runtime rules #### Oscillation Prevention * Redesigned oscillation prevention controller * Per-device measurement latency handling * Controlled minTimeBetweenChanges * Decision history tracking with persistent storage * Integrated into main control cycle * Removed legacy deadzone controller #### Grid Logic * Added grid limit exceeded incident * Added grid power feedback correction logic * Improved grid limit controller integration * Corrected grid export calculations #### Self-Supply Logic * Migrated to algorithm-based architecture * Updated fallback behaviour using forecast data * Improved PV curtailment handling ### Monitoring, Debugging and Process Image #### Debugger Enhancements * Added full control decision viewer * Added forecast inspector * Added device channel viewer * Added project information (name, ID, URL) * Added local and public IP display * Added modbus REPL for device testing * Added connectivity test command * Added calibration status preview * Added raw configuration view * Improved stale data detection and tooltips #### Logging and Process Image * Added logging of: * Battery power * Grid power * PV production * Process image snapshots * Trading provider states * Control decisions * Forecast data * Enabled structured cloning of controller calls * Added per-cycle logging of control cycles ### Simulator and Development Tools #### Simulator * Full energy flow simulator added * Timeline representation of consumption, PV and battery behaviour * Integration with forecast data * Simulation of cost with and without optimization * Multiple bug fixes related to data models, paths and build process * Major redesign of simulation data structures #### Mockbus * Added editable registers * Simplified simulation behaviour #### Developer Tooling * Added build pipeline for both bytecode and bundled builds * Added prerelease checking * Added Docker mount improvements * Added health monitor to terminate unhealthy processes * Added extended developer documentation ### Configuration and User Interface #### Configuration Improvements * Added import/export of JSON configuration * Added override file support * Improved parsing of optional arrays and nested config * Added flags such as canBeUsedForEnergyTrading * Updated battery settings (power limits, initial SoC) * Improved SoC calculation and distribution logic * Differentiated system configuration from process image #### UI and Visualization * Updated graphs to step-type with improved clarity * Added horizontal reference lines * Updated PV disabled state visibility * Added scenario selection support * Improved 24-hour views ### Refactoring and Structural Improvements * Reorganized algorithms and controllers into shared modules * Removed unused controllers and dead code * Simplified utility functions and naming * Unified control logic for battery power distribution * Cleaned formatting across major code sections * Consolidated duplicated logic * Improved fallback behaviour and error handling *** ### Bug Fixes Key issues resolved: * Negative PV production values * Incorrect unit conversions * Unhealthy device handling bugs * Forecast data mapping errors * PMS and BMS register mapping issues * Incorrect energy meter inversion * Forecast and simulation alignment issues * Influx logging inconsistencies * Build failures and bundling issues * Misreported power in Yuso integrations * Oscillation prevention deadlocks * Incorrect PV limit behaviour * Missing trading state persistence {% endupdate %} {% endupdates %} *** ## Full Consolidated Changelog (0.118 → 0.166) This single update consolidates all functional, structural, and integration changes implemented across all intermediate versions. ### Device, Adapter and Integration Support A major expansion of supported hardware. #### Newly Supported Devices * Huawei Smartlogger * SMA inverters (Sunny Tripower, Sunny Boy and related models) * Fronius inverters * ABB inverters * Goodwe inverters * Sungrow inverters * Carlo Gavazzi EM24 energy meter * Fluvius AMR digital meter * Virtual PV adapter #### PCS, Battery and BMS Improvements * New adapters for: * Liquid-cooled BMS * EP Energy EPES233 PCS * SCU BRES BMS and PCS * EnjoyPower PCS * Poweroad PMS PCS * Corrected register mappings for all PCS types * Added DC-side max charge and discharge current readouts * Added battery production and consumption channels * Added calibration command and calibration state handling * Added derating coefficient support * Added unmanaged device mode for read-only operation * Improved device health evaluation using severity classification #### Metering Enhancements * Added auxiliary energy meters for PV and PCS * Corrected inverted metering direction * Improved active-power accuracy * Added production capacity configuration ### Trading, Forecasting and Imbalance Logic #### Trevi * Full implementation of Trevi battery trading provider * Added Trevi imbalance signal support * Added persistent trading state management * Improved trading signal mapping and decision logic * Added calibration lockout to prevent usage during automatic calibration * Integrated Trevi metadata and measurements into process image logging #### Yuso * Full Yuso optimization integration * Added Yuso imbalance signal support * Fixed maxSiteOfftakeActivePower reporting * Added logic to prevent charging from grid when operating in Yuso local mode * Updated standby behaviour and local-mode optimizations #### Forecasting * Added complete forecast provider (API and static fallback mode) * Added retry logic for forecast updates * Fixed interval clearing issues * Improved W→kW conversion accuracy * Added fallback to self-supply when forecast data is insufficient * Improved alignment of forecast data with 15-minute intervals ### Algorithms, Control and Optimization #### Cost Optimization * Fully rewritten charging and discharging algorithm * Proportional power distribution based on energy headroom * Battery grouping logic based on pricing differences * Improved PV buffering and oversupply handling * Improved consumption reconstruction and calculation logic * Enhanced load scheduling with minimum runtime rules #### Oscillation Prevention * Redesigned oscillation prevention controller * Per-device measurement latency handling * Controlled minTimeBetweenChanges * Decision history tracking with persistent storage * Integrated into main control cycle * Removed legacy deadzone controller #### Grid Logic * Added grid limit exceeded incident * Added grid power feedback correction logic * Improved grid limit controller integration * Corrected grid export calculations #### Self-Supply Logic * Migrated to algorithm-based architecture * Updated fallback behaviour using forecast data * Improved PV curtailment handling ### Monitoring, Debugging and Process Image #### Debugger Enhancements * Added full control decision viewer * Added forecast inspector * Added device channel viewer * Added project information (name, ID, URL) * Added local and public IP display * Added modbus REPL for device testing * Added connectivity test command * Added calibration status preview * Added raw configuration view * Improved stale data detection and tooltips #### Logging and Process Image * Added logging of: * Battery power * Grid power * PV production * Process image snapshots * Trading provider states * Control decisions * Forecast data * Enabled structured cloning of controller calls * Added per-cycle logging of control cycles ### Simulator and Development Tools #### Simulator * Full energy flow simulator added * Timeline representation of consumption, PV and battery behaviour * Integration with forecast data * Simulation of cost with and without optimization * Multiple bug fixes related to data models, paths and build process * Major redesign of simulation data structures #### Mockbus * Added editable registers * Simplified simulation behaviour #### Developer Tooling * Added build pipeline for both bytecode and bundled builds * Added prerelease checking * Added Docker mount improvements * Added health monitor to terminate unhealthy processes * Added extended developer documentation ### Configuration and User Interface #### Configuration Improvements * Added import/export of JSON configuration * Added override file support * Improved parsing of optional arrays and nested config * Added flags such as canBeUsedForEnergyTrading * Updated battery settings (power limits, initial SoC) * Improved SoC calculation and distribution logic * Differentiated system configuration from process image #### UI and Visualization * Updated graphs to step-type with improved clarity * Added horizontal reference lines * Updated PV disabled state visibility * Added scenario selection support * Improved 24-hour views ### Refactoring and Structural Improvements * Reorganized algorithms and controllers into shared modules * Removed unused controllers and dead code * Simplified utility functions and naming * Unified control logic for battery power distribution * Cleaned formatting across major code sections * Consolidated duplicated logic * Improved fallback behaviour and error handling ### Bug Fixes Key issues resolved: * Negative PV production values * Incorrect unit conversions * Unhealthy device handling bugs * Forecast data mapping errors * PMS and BMS register mapping issues * Incorrect energy meter inversion * Forecast and simulation alignment issues * Influx logging inconsistencies * Build failures and bundling issues * Misreported power in Yuso integrations * Oscillation prevention deadlocks * Incorrect PV limit behaviour * Missing trading state persistence --- # Agent Instructions This documentation is published with GitBook. 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