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Heat pump tariffs

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

  • 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
    Standing charge
    52.4p/day
    Day average
    22.4p/kWh

    Estimated heat-pump energy cost on this tariff

    £790/year

    If use is spread evenly through the day. Running more in the cheap periods lowers it.

    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 2 October 2026. Times are UK time.

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We only list heat-pump tariffs whose current rates we can read from the supplier's own data. 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.