Does Plug-in Solar Work For Me ?
calculate
p
warning
Battery storage systems require a dedicated connection installed by a qualified electrician — they are legal but not plug-in compliant under SI 2026/848.
lightbulb
Maximise your battery savings with a smart tariff — Octopus Go charges your battery overnight from as little as 7p/kWh, saving up to 22p per kWh vs peak rates. New customers get £50 bill credit via our referral link.
Referral link — we may receive a credit when you switch.
p
Used for battery arbitrage (e.g. Octopus Go / Intelligent overnight rate).
Optional — for a location-accurate estimate using real solar data
How we calculate your savings
- ✓Your location (postcode)
- ✓For location-specific estimates, we use PVGIS (Photovoltaic Geographical Information System)—a solar modelling system developed by the European Commission's Joint Research Centre (JRC)
- ✓Your electricity tariff
- ✓Panel orientation and quantity
- ✓Battery selection (if chosen)
- ✓Real-world performance assumptions
☀️
Complete the questions to see your estimate
Choose your site, orientation, number of panels, electricity price and battery option to calculate your savings and payback.