EMS Controller
Angeschaltet
Ultimate EMS
Intelligent energy management for solar, battery, EV and heat pump
Ultimate EMS turns your Homey Pro into a full-featured energy management system. It intelligently coordinates your solar panels, home battery, EV charger and heat pumps to maximise self-consumption and minimise energy costs.
Every evening the EMS calculates a detailed plan for the next day based on the weather forecast, expected solar production and your energy prices. During the day it follows this plan in real-time, adjusting automatically when clouds roll in or your energy use changes.
Key features:
- Works with your existing Homey apps — no custom drivers needed
- Multi-inverter support with per-phase surplus tracking (L1/L2/L3)
- EV charging via Zaptec, Easee, Tesla and other supported chargers
- EV departure planning with target SoC and solar-priority logic
- Heat pump and air conditioning control with seasonal heating/cooling switching
- PV curtailment for Growatt inverters (zero-export / export limit)
- Dynamic tariff support: Tibber, PBTH/Enever and other price providers
- Live dashboard widgets for EV status and PV fleet overview
Unterstützte Geräte
Flow-Karten
Klicke oben auf ein Gerät, um nur verwandte Flow-Karten anzuzeigen.
Wenn ...
EMS Controller
Ausgeschaltet
Ultimate EMS
EMS mode changed
Triggers when the EMS switches to a different operating mode.
Ultimate EMS
Priority 1 not fully achievable tomorrow
Triggers when the forecast shows insufficient solar energy to cover all priority 1 loads.
Ultimate EMS
EV ready for departure
Triggers when the EV has reached the target SoC for a planned trip.
Ultimate EMS
Battery below minimum SoC
Triggers when the battery drops below the configured minimum state of charge.
Ultimate EMS
Dump load activated
Triggers when all priority 1 and 2 devices are satisfied and surplus energy is available.
Ultimate EMS
Dump load deactivated
Triggers when the solar surplus drops and dump loads are turned off.
Ultimate EMS
EMS wants to set EV charge current
Fires every time the EMS calculates a new target charge current. Connect this to the 'Set charge current' action of your EV app.
Ultimate EMS
EMS wants to start or stop EV charging
Fires when the EMS starts or stops charging. Connect to your EV app's start/stop action.
Ultimate EMS
EMS wants to start EV charging
Fires when the EMS wants to start charging. Connect to your EV app's start charging action.
Ultimate EMS
EMS wants to stop EV charging
Fires when the EMS wants to stop charging. Connect to your EV app's stop charging action.
Ultimate EMS
EMS wants to charge on 1 phase
Fires when the EMS wants to switch the charger to single-phase (e.g. low solar surplus). For chargers without a phase-switch capability — connect to your charger app's own 1-phase action (e.g. Amina S).
Ultimate EMS
EMS wants to charge on 3 phases
Fires when the EMS wants to switch the charger to three-phase (e.g. enough solar surplus, or a non-solar mode). For chargers without a phase-switch capability — connect to your charger app's own 3-phase action (e.g. Amina S).
Ultimate EMS
EMS wants to control the battery (flow-fallback)
Fires when the EMS wants to charge, discharge or stop a battery whose exact control-capability names could not be verified from source (e.g. Huawei FusionSolar LUNA2000) — connect this to your battery app's own force-charge/discharge action cards. See DESIGN.md task #311.
Ultimate EMS
Heat pump switched mode
Triggers once per day when the EMS switches the heat pump between heating and cooling based on the weather forecast.
Ultimate EMS
SG Ready: heat pump blocked (peak hours)
Triggers during peak hours, for heat pumps with SG Ready wiring enabled. Wire this to your own Flow that switches the relay(s) on the heat pump's SG Ready 'blocked' input — Homey cannot control the physical contacts directly.
Ultimate EMS
SG Ready: heat pump normal operation
Triggers when neither peak hours, surplus nor a cheap price apply, for heat pumps with SG Ready wiring enabled.
Ultimate EMS
SG Ready: heat pump increased operation advised
Triggers when there is solar surplus or the price is cheap, for heat pumps with SG Ready wiring enabled.
Ultimate EMS
SG Ready: heat pump maximum power
Triggers when there is solar surplus AND the price is cheap at the same time — the strongest signal — for heat pumps with SG Ready wiring enabled.
Und ...
EMS Controller
Ist an
Ultimate EMS
EMS mode is Mode
Ultimate EMS
Battery SoC is above Threshold (%)%
Ultimate EMS
A trip is planned today
Ultimate EMS
Heat pump is in Mode mode
Ultimate EMS
Solar is producing
Dann ...
EMS Controller
Einschalten
EMS Controller
Ausschalten
EMS Controller
Ein- oder ausschalten
Ultimate EMS
Set EMS mode to Mode
Ultimate EMS
Plan EV trip: depart Departure time at Target SoC (%)%
Use this action in a Shortcut or Flow to schedule an EV charging session before departure.
Ultimate EMS
Recalculate day plan now
Forces the EMS to recalculate tomorrow's energy plan immediately.
Ultimate EMS
Set EV charge profile to Profile
Ultimate EMS
Set EV fixed current to Current (A)A
Ultimate EMS
Set EV max current to Max current (A)A
Ultimate EMS
Set EV critical minimum SoC to Minimum SoC (%, 0 = off)%
Ultimate EMS
Set battery target SoC to Target SoC (%)%
Ultimate EMS
Set dump load to Enabled
Ultimate EMS
Postpone EV charging (load balance)
Temporarily stops EV charging for the duration set in app settings (ev_postpone_minutes, default 30 min). Use this in a flow that monitors per-phase current to prevent overload.
Ultimate EMS
Import PBTH prices for Period: Prices (JSON)
Feed the full-resolution price array from Power by the Hour's 'New prices received' trigger (or its 'Get prices JSON' action) into the EMS, so today/tomorrow's plan uses real ENTSO-E prices instead of the sparse capability anchors.
Ultimate EMS
Force EV charging phase: Phase mode
For testing/debugging chargers with dynamic 1-phase/3-phase switching (e.g. Alfen ACE, Peblar). Overrides the automatic surplus-based decision until you pick 'Automatic' again. No effect on chargers without phase-switch support.
Widgets
Support
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Was ist neu?
Version 2.4.9 — Fixed: for chargers that don't report whether a vehicle is plugged in at all (e.g. the Alfen ACE, community app), the EV widget could confidently show "car not connected" while a car was actually plugged in and just not drawing power yet — it was mistaking its own last on/off command for a real sensor reading. It now shows a neutral "status unknown" instead for this specific case; regular chargers with a real connection signal are unaffected. New: when an Alfen ACE charger is detected, the app now automatically switches off that charger's own built-in solar-charging mode, so Ultimate EMS becomes the sole controller instead of two solar-following logics fighting over the same charger (this was causing some Alfen ACE installs to sit at "waiting for power" indefinitely). Also: added recognition for several newly seen device types on the fleet (Deye inverters, extra MELCloud/Nibe/Stiebel/LG ThinQ heat pump variants, a CHHV zone thermostat, the official Zendure app, and Skoda/Smart EVs), so they now show up correctly labeled in bug reports and the portal instead of as unknown devices.
Ultimate EMS
Diese App kann dein gesamtes Heim verwalten.
Ultimate EMS ist mit dem gewählten Homey nicht kompatibel.
Ultimate EMS wird in Kürze auf Homey installiert.
Changelog
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