Sample data, not live prices.

Plug-in solar

Harbour Volt 200

A 200W panel listed for a sill or balcony rail.

Not tested yet. Scores are sample marks.

These kits have not been measured on a wall, balcony, fence or sill. The scores are sample marks so the list can be reviewed. They are not a reason to buy.

When a kit is tested, this note will name who did it, the dates, and what was measured: listed watts against the 800W cap, where it mounts, whether a battery is in the box, cable length, and whether the model is on the ENA type test register.

Who pays for a link is not part of the score.

How we rank

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Merit rank 3

£189 at Screwfix

Merit score 66 out of 100. The score does not read who pays. The price is the lowest in stock.

Sample data, not live prices.

Ranked on merit only How we rank
Brand
Harbour Volt
Listed output
200W listed
Siting
Sill or rail
Other listing
No app listed
  • Fits the 800W rule: 7 out of 10. Weight 25%.
  • Siting: 5 out of 10. Weight 20%.
  • Monitoring: 7 out of 10. Weight 15%.
  • Warranty and repair: 7 out of 10. Weight 20%.
  • Daytime use: 7 out of 10. Weight 20%.

Who it is for

  • Small listed output
  • Easy to compare with larger kits on the same rules

Who should skip it

  • A small panel saves less in the savings estimate

Prices by shop

Prices on this list, including out-of-stock rows. A dash means that shop has no price here. These are sample prices, not live shop prices.
Retailer Price Stock
Currys £199 In stock
Screwfix £189 In stock
Brand shop — No price

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