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Heat pump tariffs

Current heat-pump tariff rates from the supplier's own data.

Sets your Ofgem region, so the cap rates match your area.
When does your heat pump run?

Use spread evenly across every hour. Not sure? Start with “spread through the day”.

  • Octopus Energy

    Cosy Octopus

    Cheap rate
    12.3p/kWh
    04:00–07:00, 13:00–16:00, 22:00–00:00
    Peak rate
    37.7p/kWh
    16:00–19:00
    Other times
    25.1p/kWh
    Standing charge
    52.4p/day

    Estimated heat-pump energy cost on this tariff

    £790/year

    Spread through the day. Timing can change which tariff is cheaper.

    Requires: You need a heat pump · Smart meter required · Electricity supplied by Octopus

    Average of 14 GB regions from the supplier's published rates, inc VAT, Direct Debit. Checked 10 October 2026. Times are UK time.

    Check tariff

Octopus rates are read from its published data; British Gas and EDF publish their heat-pump tariffs as discounts on their standard rate, which we check by hand. Tariffs whose rates are not published, or that are tied to buying equipment, are not listed. The whole-home bill also depends on your other electricity use and standing charges, so this is not a ranking. 3,500 kWh a year is used for the estimates.