Region
Plug-in solar in South Wales
Output measured at Cardiff, the unit rate you pay here, who runs your local network, and the compliant kits in stock.
Network operator: National Grid Electricity Distribution (South Wales)
- south, tilted 30°
- 920 kWh/yr
- south, vertical (balcony, wall)
- 662 kWh/yr
- per kWh, 1 Oct 2026 to 31 Dec 2026
- 26.6p

Planning rules in Wales differ from England's. See our Scotland and Wales guide.
PVGIS solar data
Output by direction
| Facing | Tilted 30° (garden, roof) | Vertical (balcony, wall) | Chart |
|---|---|---|---|
| South | 920 kWh | 662 kWh | |
| South-east | 862 kWh | 601 kWh | |
| South-west | 877 kWh | 623 kWh | |
| East | 733 kWh | 447 kWh | |
| West | 752 kWh | 469 kWh | |
| North-east | 587 kWh | 267 kWh | |
| North-west | 601 kWh | 278 kWh | |
| North | 529 kWh | 175 kWh |
A typical 890 Wp kit with the 800W output cap, no shading. PVGIS 5.3 solar data. Method.
Live stock
Compliant kits in stock, ranked for South Wales
Nothing matches right now.
Stock changes quickly. Turn off “In stock now”, or set an alert and we’ll email you.
Get a restock alertCost per kWh = price ÷ estimated output over 10 years (0.5%/yr panel ageing). Output from PVGIS for your location, capped at 800W. How we calculate.
Unit rate history
- 1 Oct 2026 to 31 Dec 202626.55p/kWh
- 1 Jul 2026 to 30 Sept 202626.33p/kWh
Source: Ofgem energy price cap by region (direct debit, single rate). VAT on domestic electricity is 0% from 1 October 2026.