Good Energy Sizes Up Octopus: A Green Energy Face-Off

Good Energy has released a comparison of its services against those of Octopus Energy, highlighting differences in renewable energy sourcing and generation. The comparison details variances in fuel mix and renewable generator partnerships; the original article from Good Energy can be found here.

Good Energy's fuel mix (April 2024 – March 2025) is 100% renewable, with 47% from wind, 32% from biogeneration, 12% from solar, and 9% from hydro. Octopus Energy's published fuel mix (April 2023 – March 2024) is 84.8% renewable and 15.2% nuclear, with the renewable portion broken down as 56.8% offshore wind, 32.2% onshore wind, 6.3% solar, 4.6% hydro, and 0.1% biomass.

Good Energy sources power from over 3,000 independent renewable generators, while Octopus Energy sources from over 700. Good Energy highlights that Octopus Energy has a far larger customer base. Good Energy does not buy nuclear power, citing high strike prices and the feasibility of a net-zero UK without it, referencing their modelling.

Good Energy promises to match all of its customers’ electricity usage with power procured directly from renewable generators. 36% of the power Good Energy supplies comes from new renewable generators.

Good Energy states it matches the output from its renewable generators with the electricity its customers use in half-hourly intervals 90% of the time. 10% of the gas Good Energy supplies is from anaerobic digestion in the UK, and the remainder is offset in Kenya.

Good Energy heat pumps do cost from £4,000, with a more typical standard installation around £8,000. Both energy companies install heat pumps and promote the Boiler Upgrade Scheme government grant.

The comparison offers insight into Good Energy's position in the UK market.