What is Grid Energy Storage?

As the percentage of electricity generated from renewables increases, the lack of continuity of supply from these sources can pose quite a threat to the continuity of supply to our homes and businesses. To ensure a nice constant supply (including a frequency of 50 Hertz) it is necessary to finely balance the energy supply and demand. If the sun all of a sudden goes behind the clouds and the wind stops blowing, there can be a considerable short term shortage. If this is coupled with the regular early evening surge in demand, then it creates a real energy crunch.

Grid energy storage solutions are becoming more and more common and effectively act as a buffer being able to provide short term additional capacity whilst longer term energy sources (e.g. STOR diesel generators and gas power stations) come online.

grid frequency control

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