Plug-in solar is not yet legal to use in the UK. The Government published its consultation response on 16 July 2026 and made enabling regulations that come into force on 27 August 2026, with connection standards still to follow. Read the UK legal status

MyPlugInSolar

Manufacturer

Hoymiles plug-in solar

Hoymiles is a microinverter manufacturer; its HMS-800W-2T two-panel microinverter is common in EU balcony kits.

Not confirmed for UK plug-in use

Hoymiles's plug-in / balcony products are sold in the EU and some are obtainable in the UK, but plug-in solar cannot currently be legally used in the UK — see the UK legal status. We track them so the information is ready when the rules change.

Overview

Hoymiles is a manufacturer of solar microinverters with a large global installed base. Its HMS-800W-2T is an 800VA microinverter with two independent MPPT inputs for two panels, common in EU plug-in / balcony solar kits, with a built-in Wi-Fi module.

Plug-in use is not confirmed as UK-compliant. The system is monitored via Hoymiles S-Miles (Direct Connection or S-Miles Cloud).

What Hoymiles makes

  • HMS-800W-2T two-panel microinverter used in balcony solar kits
  • S-Miles monitoring (built-in Wi-Fi)

Tracked products