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UK’s National Grid: Battery energy storage too costly for balancing services

Thu, 07/10/2014 - 10:02 -- Editor
National grid

Battery energy storage costs need to fall by as much as 99% to be competitive with other grid balancing technologies, according to UK transmission system operator National Grid.

In a report published on 10 July, Future Energy Scenarios 2014, National Grid explored the number of years taken to recover the cost of sodium sulphur and lithium-ion batteries through revenue from individual reserve services – Short Term Operating Reserve (STOR) and Fast Reserve - and the decrease in total plant costs that would be necessary in order to recover costs.

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