2026-05-08 · Battery · 14 min
A year with a 5 kWh battery on a small solar array
A look at the meter data after twelve months. The payback came in a couple of years earlier than expected, mostly because of the tariff.
Notes, write-ups and a handful of working calculators for the bit before you commit to any of it.
Topics
Panels, inverters, mounting and what the install day looks like.
Whether one is worth getting, what size to look at, rough costs.
Picking a home charger, choosing a smart tariff, getting it fitted properly.
How they work, what a sensible install looks like, the BUS grant.
Calculators
Articles
2026-05-08 · Battery · 14 min
A look at the meter data after twelve months. The payback came in a couple of years earlier than expected, mostly because of the tariff.
2026-05-01 · Solar · 9 min
South-east at the front, north-west at the back. The decision came down to one specific bit of hardware.
2026-04-23 · EV · 11 min
A few months on the tariff, with the bills before and after. A couple of surprises.
2026-04-12 · Heat · 17 min
Survey, radiator changes, the BUS grant. The bit that took longest was not what we had expected.