GridFit

Sunways STH Series GEN3

Hybrid inverter1 integration route0 models on grid lists

Locallocal controlsolinteg-gen3 (STH Series GEN3)· seen 2026-10-31
Gridnothing known from the 7 lists read · lists dated up to 2026-10-30

Local controlGrid lists

Local control with Home Assistant and evcc

checked 2026-10-31

Home Assistant
not found
evcc
localcontrol
Connection
Modbus TCP, Modbus RTU (RS485)

Does Sunways STH Series GEN3 work locally with Home Assistant?

We found no Home Assistant integration for it; evcc supports it locally and lets evcc control it.

Firmware updates can open or close local access — check the integration's own page before you buy, and your installer before software changes export limits or charges a battery from the grid.

Evidence: integrations and templates

IntegrationSourceLinkRead or controlConnectionRepoSeen
solinteg-gen3 (STH Series GEN3)evcc templatelocalcontrol evcc controls battery charge/discharge (battery-control)Modbus TCP, Modbus RTU (RS485)–2026-10-31

Grid-connection lists

The list is the authority; this is a cross-reference.

Is the Sunways STH Series GEN3 on an EU grid-connection list?

No model of this family was found on the 7 lists read (2026-10-31). That is not “not approved”: the list may spell the model differently, or the family's codes are not collected yet.

  • ATAustria — Not found on the list · Austrian TOR Erzeuger Typ A list dated 2026-10-30, read 2026-10-31
  • BEBelgium — Not found on the list · Belgian Synergrid C10/26 list dated 2026-10-30, read 2026-10-31
  • CZCzechia — Not found on the list · Czech ČEZ Distribuce list dated 2026-08-21, read 2026-10-31
  • EEEstonia — Not found on the list · Estonian Elektrilevi inverter list, read 2026-10-31
  • NLNetherlands — Not found on the list · Dutch Netbeheer Nederland type-A list dated 2026-10-30, read 2026-10-31
  • PLPoland — Not found on the list · Polish PTPiREE WiPWC 1.3 list dated 2026-10-26, read 2026-10-31
  • SESweden — Not found on the list · Swedish Rikta Rätt inverter list dated 2026-10-23, read 2026-10-31
36 more countries: what applies to a hybrid inverter there

No model rows for these countries — they publish no usable list, or GridFit has not parsed it yet. The state comes from the EU+ grid-connection table; each country page says more.

On a public list:GermanysDenmark?Great BritainHungaryIrelandNorthern Ireland?PortugalRomania?Slovakia

No list, a rule applies:Bosnia and Herzegovina?SwitzerlandCyprusSpainFinlandFrancesGreecesCroatiasItalysLiechtenstein?LithuaniaLuxembourgMoldova?NorwaySloveniasTürkiye?

Not confirmed:Albania?Bulgaria?Georgia?Iceland?Latvia?Montenegro?North Macedonia?Malta?Serbia?Ukraine?Kosovo?

s = from search results, ? = unverified; without a mark the page was opened.

Model codes on the lists

No list carries a model matched to this family. That says nothing about approval.

How old the evidence is

Last 12 months. ◂ = older than the axis.

SourceDate
Sources read by GridFit2026-10-31

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