A site about putting modern energy kit into normal UK homes. Calculators that do something useful, write-ups of installs that have actually happened, and reference guides for the bit before you pay someone several thousand pounds.
01
Panels, inverters, mounting and what the installation day actually looks like.
Read solar guide →
02
Whether one is worth getting, what size to look at, rough costs.
Read battery guide →
03
Picking a home charger, choosing a smart tariff, getting it fitted properly.
Read EV guide →
04
How they work, what a sensible install looks like, and the BUS grant.
Read heat pump guide →
Numbers worth running before signing anything
Solar
Rough years to break even on a solar install, given your roof and tariff.
Battery
The smallest battery that catches most of your spare solar.
EV
Comparing overnight smart-tariff charging with standard rates.
Heat pump
Back-of-envelope check on a survey number you have been quoted.
Write-ups and notes