Thunder Energy · plug-in solar kit
Thunder Energy Bolt Max 530W
We may earn commission if you buy through our links. It never changes our rankings. How we work with suppliers.
A plug-in solar kit with 530 W of panels and an 800 W . Tilted south, it could save about £75 a year.
Our spec score 6.6/10 · how we score
From £449.99 In stock
Check price at Thunder EnergyPlain link: we don't earn anything if you buy from this seller.
Is it right for me?
| Saving | About £75 a year tilted south with little shade (government figures); your own figure |
|---|---|
| Payback | About 6 years at today's price |
| Over 15 years | About £668 saved after paying for the kit, before any electrician costs; panels are usually warranted 20 to 25 years and the small inverter 10 to 12 |
| On the ENA register | Not confirmed yet: check the register before you buy |
| Where it goes | No-drill flat-roof brackets included; angled brackets extra |
| Fitting | Panels and bracket to assemble; a wall or roof fixing is a job for a professional |
What it could save
For the 530 W, flat-roof brackets, 5 m cable version at £449.99, with little shade and someone home in the day:
| Where the panels go | Made a year | Saving a year | Payback |
|---|---|---|---|
| South-facing, tilted | 457 | £75 | 6.0 years |
| South-facing wall or balcony | 329 kWh | £62 | 7.2 years |
| East or west wall | 251 kWh | £48 | 9.5 years |
Government (DESNZ) yield and self-use figures for the south-tilted and east/west wall rows; the south wall row is our estimate. 26.32p a kWh (Ofgem price cap). Try your own home.
: Seller says listed as Compliant (flat-roof configuration) (reference THUNE/21751/V1/A1, listed 2026). Source: thunderenergy.co.uk product page only; not yet seen in an independent register summary.
We don't recommend a kit until we can confirm its listing. Check the register before you buy.
Not electrical advice. We compare products; we are not electricians. Before you connect a solar kit to your home, ask a qualified electrician to check the socket, the circuit and your , and follow the maker's instructions.
Note: Free UK delivery. The register listing covers the flat-roof brackets; ask before buying the angled version. No affiliate programme yet.
Why it's worth a look
- Could take about £75 a year off your bill (south-tilted, someone home in the day): in about 6 years at today's prices.
- No roof work and no installer for the kit itself; take it with you when you move.
Watch out for
- Not yet confirmed on the ENA Type Test Register. Only connect a register-listed kit.
- You must tell your network operator () after plugging it in.
Reliability signals
- Repairs: through the maker's UK support; we list known issues only from named reviews, and none are recorded yet
Owned one? Tell other buyers how it has held up.
Full specifications
| Versions | 530 W, flat-roof brackets, 5 m cable: £449.99 530 W, angled brackets, 5 m cable: £494.98 |
|---|---|
| Inverter output | 800 W |
| Inverter | 800 VA |
| Mounting | No-drill flat-roof brackets included; angled brackets extra |
| Plug | UK 3-pin (BS 1363) |
| Warranty | not published |
| Monitoring | not published |
Sources (1)
Where to buy and every version
| Seller | Price | Check price |
|---|---|---|
| Thunder Energy | £449.99 | Check priceWe don't earn from this seller |
Versions
| 530 W, flat-roof brackets, 5 m cable | £449.99 | In stock |
| 530 W, angled brackets, 5 m cable | £494.98 | In stock |
Also sold as (2 bundles and options)
| Seller's version | Price | Stock |
|---|---|---|
| 10m / No-Drill Flat Roof Brackets (Included) | £489.98 | In stock |
| 10m / Adjustable Angled Mounting Brackets | £534.97 | In stock |
Price from the seller's own UK page. Prices change; the seller's page is always right.
Price alert
We'll email you if the price drops by 3% and at least £15. Double opt-in; one click to unsubscribe.
Similar you can buy today
920 W panels · about £121 a year
From £749.99
UKSOL Pro Compact 460W (ground mount)6.5
460 W panels · about £65 a year
From £849
More: all plug-in solar kits · Thunder Energy · owner reports