Solar explained to clever people by people who are not trying to be clever

Solar panel installation by postcode

See if solar makes sense at your location. We use your local sunshine, your region's electricity prices, and a sensible system size for your home.

Enter the first part only (before the space). We’ll take you to your page.
Local sunshine by region (south-facing)
815–1029 kWh per kW

Median: 955 kWh/kW. Sunshine varies across Britain, so generation does too.

Electricity prices (Ofgem regions)
25.33–27.72 p/kWh

Standing charge ranges 44.62–69.95 p/day.

Typical system size (median)
5.0 kW

Most homes land between 3–6 kW. We'll size yours sensibly on your postcode page.

Sunniest regions in Britain

More sunshine means more generation. These regions see the highest annual output from a typical south-facing solar array.

Regions with less sunshine

Solar still works here—returns are just a bit slower. Your postcode page shows whether it makes sense for your home.

Where solar saves you the most

These regions combine decent sunshine with higher electricity prices—a sweet spot for bill savings. We'll calculate your exact numbers on your page.

What you'll see on your postcode page

Your local numbers

Sunshine data for your area, plus your region's current Ofgem price cap (unit rate and daily charge).

Simple calculator

Break-even time, upfront cost, annual benefit, and 25-year profit—all in plain English.

Battery option explained

An honest look at when batteries extend payback, and when they still make sense for your situation.

Full assumptions

Every calculation is transparent. No black boxes, no hidden guesswork.

Enter the first part only (before the space). We’ll take you to your page.

Prefer browsing? Explore by region

Built on official data

We use Ofgem regional price caps (quarterly), PVGIS solar yields, and EPC open data (aggregated). No guesswork—just transparent calculations.

Rates: 2025Q4. PVGIS assumes a south-facing array at an optimal tilt; your page lets you adjust aspect/size/battery.

Ready for quotes?

After you've checked your numbers, you can request quotes from a trusted MCS-certified installer—and they'll handle the paperwork.

Enter the first part only (before the space). We’ll take you to your page.