Octopus Energy customers have been able to get money back on their bills by taking part in the supplier's "saving sessions".
The sessions are a part of the National Grid ESO's new 'Demand Flexibility Service' and has seen the top five percent of savers earned almost £20 across Octopus' test sessions so far
They have implemented a saving session five times now, and with 250,000 customers already signed on, they have paid out over £1 million in total.