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SMA WebBox

Solar inverter by SMA. Compatibility with energy supplier apps, Home Assistant and evcc.

At a glance

Device typeSolar inverter [evcc template, 2026-10-19]
evcc supportYes
sma-webbox (Modbus TCP) [evcc template, 2026-10-19]
ConnectionModbus TCP (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 Assistant3 integrations for SMA (brand-level, see below) [first source, 2026-10-19]
Known firmware notesUnknown 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 / serviceStatus for SMA inverterSource
Frank Energie
Slim Terugleveren
Supported, with conditions “Met uitzonderingen”
[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 SMA

Brand-level match: these integrations target SMA hardware; whether they cover the WebBox specifically is not verified.

IntegrationTypeLocal / cloudSource
SMA Solar sma Core local_polling [manifest, 2026-10-19]
SMA Devices Plus pysmaplus
home assistant custom integration for pysma-plus
HACS ★116 Unknown know this? tell us [HACS index, 2026-10-19]
SMA EV Charger smaev
SMA EV Charger integration for Home Assistant
HACS ★32 Unknown know this? tell us [HACS index, 2026-10-19]

evcc details

Templatesma-webbox (meter; usages: pv) [source, 2026-10-19]
ConnectionModbus TCP (inferred)
CapabilitiesUnknown know this? tell us
RequirementsNone listed in the evcc template.
Known caveatsNone 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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