£1m paid to Octopus Energy customers as part of power saving scheme

Supplier says 400,000 customers took part, reducing their electricity use for a designated 90-minute period

More than 1m was paid to energy customers with Octopus Energy on Tuesday as part of a power saving scheme.

The energy supplier said more than 400,000 customers took part by reducing their electricity use between 4.30pm and 6pm.