Everything here is written for somebody deciding whether to do this, or comparing quotes they have already received. No jargon we have not explained, and every figure carries the date we checked it.
Start here
Money
- Getting paid for what you export The Smart Export Guarantee, and why the Feed-in Tariff no longer applies.
- Grants and funding What is open, what has closed, and how it differs across the UK.
- Smart tariffs Time-of-use import and export, and why they now decide whether a battery pays.
- How much you will export
Equipment
Sizing and output
Rules and permissions
- Can I install panels? Planning, conservation areas and listed buildings.
- Grid connection Why a quote may be limited to 3.68kW.
- Battery safety and siting The rules that become mandatory in October 2026.
Heating and transport
- Heat pumps What they cost, the grant, and the honest position on running costs.
- Solar and a heat pump together
- Charging an electric car from solar
- Solar hot water
Buying
Something different
- Plug-in solar Legal in Great Britain since 27 Aug 2026. No installer, no quote, and a genuine option for renters and flats.