The Crabtree Lane Energy Hub will charge with electricity from the grid during periods of high renewable energy generation, or low demand, and then discharge that electricity during periods of higher demand, reducing the need for fossil fuel generation during peak hours. 

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The BESS is able to contribute to grid stability by offering frequency control services to the National Grid. Effective energy storage will allow significant increases in intermittent renewable generation from wind and solar onto the UK electricity system by allowing the balance of supply and demand.