Britain will have excess electricity supplies for more than half of the year by 2030 as a huge expansion of wind and solar power transforms the energy system, a new analysis suggests.
Energy storage technologies, including batteries and electrolysers to make hydrogen, will need to be deployed at massive scale to prevent this surplus electricity going to waste, according to LCP, a consultancy.
The forecast, based on the government’s new energy security strategy, raises questions over whether investors developing new renewable and nuclear plants can be sure of finding buyers for their output to enable them to generate as often as they would want to. If they are unable to, they may seek higher subsidies for times when they do operate.
The trend is also