What can plug-in solar run?

On a sunny day a kit makes up to 800W. Whatever is switched on uses the free solar first.
| Appliance | Uses | Sunny day |
|---|---|---|
| Wi-Fi router | 10W | ✅ Runs on solar |
| Fridge-freezer | 40W | ✅ Runs on solar |
| TV (55-inch) | 100W | ✅ Runs on solar |
| Laptop | 50W | ✅ Runs on solar |
| Desktop PC + monitor | 200W | ✅ Runs on solar |
| Washing machine | 500W | ✅ Runs on solar |
| Dishwasher | 700W | ✅ Runs on solar |
| Tumble dryer | 2,000W | ◐ 40% solar |
| Kettle | 3,000W | ◐ 27% solar |
| Electric car (granny charger) | 2,300W | ◐ 35% solar |
Typical figures; your appliances may differ.
Quick answers
Will plug-in solar run a fridge?
Yes. A fridge-freezer averages about 40W – easy, even on a cloudy day.
Can it run a kettle?
Partly. A kettle needs 3,000W; the kit covers up to 800W of it and the grid does the rest.
Does it work in a power cut?
No. For safety it switches off when the grid goes down.
Kits from £276.99. See what one saves at your postcode.
Check my savingsUpdated 2026-11-14.