A small amount of electricity exported from a home battery could help some Octopus Energy customers earn rewards even when they have no peak-time usage left to reduce, according to Octopus users. For one household, the free-electricity benefit was worth roughly £1.40 (about $1.88 at current exchange rates) per weekend.
Here's what to know
In a Reddit discussion on r/OctopusEnergy, a U.K. customer explained that their newly installed home battery had reduced their daytime electricity imports from the grid to basically zero. "I have recently had a battery installed at home, so my daytime use of energy is effectively zero, I'm only importing energy during off peak hours," the original poster wrote.
Concerned that they could not earn credit toward weekend "happy hours" without reducing their usage below that baseline, the customer asked whether deliberately importing 0.1 kWh between 6 p.m. and 7 p.m. on other days would help. Their Home Assistant integration showed a Saving Session baseline of 0.00 kilowatt-hours.
One commenter reported increasing their battery's usual export output by 250 watts. Sending stored electricity to the grid during the sessions rather than buying extra power beforehand was one version of the alternative other Redditors proposed.
These accounts, however, aren't official confirmation from Octopus about eligibility or rewards. If you use Octopus Energy and are interested in doing something similar to the OP, reach out to the company for confirmation of potential benefits.
More background
Another battery owner said they still qualified for happy hours despite having essentially no peak-time consumption, although they earned fewer Octopoints.
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Separately, one commenter reported receiving £1.20 ($1.61) in export payments and £1 ($1.34) in Octopoints after exporting 10 kWh during a power-down hour. Including free-hour refunds, they reported about £30 ($40) in total credit.
What can be done?
The OP shared the sensor identifier people can use within the Octopus Energy Integration with their Home Assistant to check their baseline. Another Reddit user said the value comes through the Octopus API.
The approach would not work for every household. A participant using plug-in batteries said they could not receive export payments. The OP, by contrast, had already obtained an export MPAN, the identifier for an electricity supply.
Solar was not part of one commenter's setup; a slight adjustment to their home battery's exports had been sufficient. "During the saving session I just tweak that to export 20w for the hour and so far that has triggered a success."
Where can I learn more?
U.K. households are using home batteries to cut electricity costs and earn export income.
• U.K. home battery owners reported $200-plus in export income through virtual power plants.
• Octopus users said Powerwall charging at 40 cents appeared driven by export rates.
• A homeowner with 26 free electricity hours asked whether battery cycling pays twice.
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