greenhomesums
EV home charging and tariff calculators
Charging cost by tariff, home vs public split, petrol-equivalent mileage cost, and overnight-window optimisation.
-
EV Home Charging Cost Calculator UK
Work out the real cost of charging your electric car at home vs public chargers, across UK time-of-use tariffs (Octopus Go, Intelligent Octopus, OVO Drive Anytime, E.ON Next Drive), and compare with petrol at today's prices.
-
Octopus Agile Savings Calculator UK
Estimate how much you'd save — or lose — switching to Octopus Agile from a flat tariff, by DNO region. Models load shifting, EV charging and heat pump usage against a typical Agile hourly rate curve.
-
Solar battery storage UK — cost, savings & payback calculator
Solar battery storage UK: typical cost £3,000–£6,000 added to solar. Calculate combined savings from solar panels, home battery and EV charging. 15-year net benefit with live Ofgem rates.
-
EV vs Petrol Running Cost Calculator UK
Compare the annual running cost of an electric car against an equivalent petrol car. UK figures with home vs public charging split, Octopus Go tariff presets, and post-2025 VED road tax.