Solar Savings Calculator

Connect your Octopus Energy account to see how much you could save with solar panels. Uses your actual half-hourly consumption matched against local solar irradiance data.

Octopus Energy account

Find your API key at octopus.energy/dashboard/developer

Tariff

Default: 23.5p/kWh flat rate (Ofgem cap), no export. You can adjust these after results load.

Panel setup

Direction

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ESESSWW

Tilt angle