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Market-entry rules

What a product needs to be sold and installed legally in each market: power limits, grid-connection certificates, registration, battery law, incentives and import duties.

Europe

Germany

Europe's largest plug-in solar market: about 1.5 million registered systems, with storage in a fast-growing share of new orders.

2 rules tracked

United Kingdom

Plug-in solar became legal in Great Britain on 27 August 2026, for devices of up to 800 W AC output.

2 rules tracked

North America

Utah, United States

The first US state to legalise plug-in solar, for devices up to 1,200 W.

1 rules tracked