EV + Solar: Complete Savings Guide
Sizing solar around an EV or heat pump?
Both change your consumption profile substantially, which changes the system you need. Get a size and price built around your actual load.
Size a System for My HomeFree calculator. See your result before giving any details.
Sizing solar around an EV or heat pump?
Both change your consumption profile substantially, which changes the system you need. Get a size and price built around your actual load.
Size a System for My HomeHow much does solar save on EV charging?
Electric car + solar panels — UK savings for the 10 most popular EVs: COST PER MILE: Solar charging: 0p/mile (free from surplus). Grid charging (26.32p/kWh): 5-7p/mile. Octopus Go overnight (7.5p): 1.5-2p/mile. Petrol: 14-18p/mile. ANNUAL FUEL SAVINGS (7,400 miles avg UK mileage): Solar vs petrol: £1,000-£1,330/yr. Solar vs grid: £370-£520/yr. HOW MANY PANELS FOR EV?: 5,000 miles/yr: 4-6 panels (1.6-2.4kW extra). 10,000 miles/yr: 8-10 panels (3.2-4kW extra). BEST CHARGER: myenergi Zappi (£800-£1,000) — auto-diverts surplus solar to car. Adjusts speed in real-time. BEST TARIFF: Octopus Intelligent Go — 7.5p overnight for top-ups + smart scheduling. TOTAL SYSTEM: 6kW solar + 10kWh battery + Zappi charger + Octopus tariff = near-zero driving cost. Sources: SMMT EV registration data, DfT average mileage statistics, Ofgem, PVGIS, manufacturer efficiency specs.
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Related: Home Heating Systems
Solar panels are most powerful when combined with an efficient heating system. Heat pumps use solar-generated electricity to heat your home at 300-400% efficiency — making them the ideal partner for solar.
Heat pumps use electricity at 300-400% efficiency, making them ideal partners for solar.
A heat pump converts 1kWh of electricity into 3-4kWh of heat.
From our sister site Home Heat Pump Guide
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Sizing solar around an EV or heat pump?
Both change your consumption profile substantially, which changes the system you need. Get a size and price built around your actual load.
Size a System for My HomeFree calculator. See your result before giving any details.