The decision will unlock a new era for solar and energy storage technologies, which can be used to underpin a smart, flexible energy system and deliver vital grid balancing.
Ofgem plans on implementing the new system over a four-and-a-half-year period, with extensive testing due to take place prior to launch in October 2025
“One might question the overly cautious length of time set aside for testing in the midst of a climate emergency, but otherwise it is fantastic to see Ofgem is moving the dial on the matter of half-hourly settlement” said Chris Hewett, chief executive, Solar Energy UK. “The decision will undoubtedly enhance innovation in the market, and the role of solar and battery storage in supporting the grid.”
A report published by Solar Energy UK last year revealed that the UK requires 4.4 million homes to be equipped with smart solar PV and battery storage in order to cost-effectively manage electricity demand.
The increasing electrification of heat and transport has enhanced the case for on-site solar energy generation and storage in residential and commercial settings, and half-hourly settlement is poised to drive demand for these technologies.
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