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EFR: Inside Vattenfall’s first grid-balancing UK project

25 Oct 2017, 12:07 • By David Pratt
EFR: Inside Vattenfall’s first grid-balancing UK project

No one moment took energy storage into the mainstream of the UK power system more than the outcome of National Grid’s August 2016 tender for Enhanced Frequency Response (EFR). Reporter David Pratt examines the business case behind Vattenfall's first EFR project and asks what grid operators and regulators' next moves are likely to be.