Fronius Solar API V1
Hybrid inverter (PV + battery) by Fronius. Compatibility with energy supplier apps, Home Assistant and evcc.
At a glance
| Device type | Hybrid inverter (PV + battery) [evcc template, 2026-10-19] |
|---|---|
| evcc support | Yes |
| Connection | Local HTTP API (inferred from evcc template parameters) [evcc template, 2026-10-19] |
| Local control (no cloud) | Yes via evcc's connection type [evcc template, 2026-10-19] |
| Home Assistant | 3 integrations for Fronius (brand-level, see below) [first source, 2026-10-19] |
| Known firmware notes | Unknown know this? tell us |
Energy supplier apps
Supplier lists are published per brand (sometimes with model conditions). A brand match does not guarantee your exact model works — check the linked page or the supplier's app.
| Supplier / service | Status for Fronius hybrid inverter | Source |
|---|---|---|
| Frank Energie Slim Terugleveren |
Supported “Alle modellen”
|
[source, 2026-10-19] |
| Tibber Power-up (inverter, production insight) |
Supported “direct Power-up (cloud)”
Not every model supported; full list in Tibber app |
[source, 2026-10-19] |
| Zonneplan | Not listed Zonneplan only lists its own hardware | [source, 2026-10-19] |
| Eneco | Unknown know this? tell us | — |
| ANWB Energie | Unknown know this? tell us | — |
| Vattenfall | Unknown know this? tell us | — |
Home Assistant integrations for Fronius
Brand-level match: these integrations target Fronius hardware; whether they cover the Solar API V1 specifically is not verified.
| Integration | Type | Local / cloud | Source |
|---|---|---|---|
Fronius fronius |
Core | local_polling | [manifest, 2026-10-19] |
Fronius Modbus fronius_modbusHome assistant Custom Component for reading data from Fronius Gen24 Inverter and connected smart meters and battery storage through modbus TCP. |
HACS ★107 | local (per repo description) | [HACS index, 2026-10-19] |
Fronius Solar.Web solarwebHome Assistant integration for cloud-based Fronius Solar.web api |
HACS ★15 | cloud (per repo description) | [HACS index, 2026-10-19] |
evcc details
| Template | fronius-solarapi-v1 (meter; usages: grid, pv, battery) [source, 2026-10-19] |
|---|---|
| Connection | Local HTTP API (inferred) |
| Capabilities | battery-control [source, 2026-10-19] |
| Requirements | Solar API should only be used as fallback. Integration via Modbus is preferred.
Username and password are only required for active battery control.
**Attention**: Active battery control should only be used if no other settings for time-dependent battery control were made in the inverter configuration under "Energy Management" - "Battery Management", as existing settings will be overwritten. Choose corresponding configuration URI! [source, 2026-10-19] |
| Known caveats | None listed in the evcc template. |
“Works for me” reports
No user reports yet. Report your firmware version and setup TODO: form
Where to buy
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