According to National Grid ESO, this would be enough to power nearly 10 million homes for an hour across Great Britain.
In total, 1.6 million households and businesses signed up to participate in 22 service events across the winter, covering both live events to balance the electricity network and monthly test events to deliver savings for consumers and demonstrate how effective the system could be.
In November, Ofgem approved the introduction of the DFS, which pays businesses and the public for reducing or moving their electricity use outside of peak hours.
It ran until 31 March 2023, and meant that a typical household could save approximately £100 through the scheme while industrial and commercial businesses with larger energy usage could save multiples of this.
Households participating through the programme were sent a message from the network during periods of increased pressure on electricity supplies which asked them to reduce their usage.
The national...