The £450m fund aimed at innovative projects that will help the country meet its net zero climate targets.
Ofgem will make the money available to energy network companies that are trying to ensure homes and business are going green.
The £450m fund will be available over the next five years but could be extended if strong plans are presented, Ofgem said.
It is expected to play into the UK’s wider ambitions to slash 68% of emissions by 2030, and 78% by 2035. Its goal is for net zero emissions by 2050.
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