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Octopus Energy offers free electricity for reducing usage during solar eclipse

Published 11 August 2026

Octopus Energy is urging its customers to reduce electricity usage during a rare partial solar eclipse on Wednesday, August 12, offering free electricity as a reward for helping to ease strain on the national grid. The event will see the moon obscure up to 95% of the sun in parts of the United Kingdom, temporarily reducing solar power generation just as household demand typically peaks in the evening.

The eclipse is expected to be the most significant visible from Britain since 1999, with over 90% of the sun blocked between approximately 6:17 p.m. and 8:06 p.m. According to the National Energy System Operator (NESO), which manages the grid, the obstruction could eliminate as much as 1.3 gigawatts of solar supply, equivalent to powering roughly half a million homes. This shortfall coincides with the post-work period when energy consumption rises, creating a potential challenge for grid stability.

To mitigate this, Octopus Energy has launched its "Eclipse Power Down" initiative. The company is asking customers to postpone using high-energy appliances such as washing machines, dishwashers, and televisions during the two-hour window from 6 p.m. to 8 p.m. on August 12. Participants...

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