This is an article about a fact. In an electrical grid, the power must be produced in real time, as it is being used; if supply to the grid is less than demand at any time, there will be a blackout. For the grid to function, supply and demand must be balanced at all times - link
By 2050 the National Grid ESO, the electricity system operator for Great Britain, is forecasting that the UK will need at least 50 GW of energy storage power capacity and just under 200GWh of capacity - link
Of the 4.7 GW of installed energy storage capacity in the UK, battery energy storage systems (BESS) account for only about 2.1 GW
Most of the current capacity, 2.8 GW, comes from pumped hydro storage – a form of turbine-powered hydroelectric storage where water moves between two reservoirs at different heights - link
With just over 5GW of capacity currently under construction, we could reasonably expect battery storage capacity in the UK to reach over 10 GW in the next few years - link
A best-case scenario (i.e. Leading the Way), deployment rates of battery power storage capacity would be at 20 GW by 2030, and 35 GW by 2050.
Back to where this started - by 2050 the National Grid ESO, the electricity system operator for Great Britain, is forecasting that the UK will need at least 50 GW of energy storage power capacity - link - more like this (power outage) - link - largest battery in Britain - link
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