Electricity storage

Includes regulations, consultations and guidance on electricity storage.

Generators can store excess electricity for later use, which helps make our energy system more resilient.

Consultations

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Consultation on Long Duration Electricity Storage Financial Framework

Ofgem is seeking views on our proposed financial framework for Long Duration Electricity Storage (LDES) projects applying under Window 1 of the cap and floor regime.

Math o gyhoeddiad: Consultation

Last updated: 23 September 2025

Status: Closed (with decision)

Topic: Electricity generation, Long duration electricity storage

Consultation on Long Duration Electricity Storage Project Assessment

We are seeking views on our proposed approach for assessing which Long-Duration Energy Storage (LDES) projects should be awarded a cap and floor regime.

Math o gyhoeddiad: Consultation

Last updated: 23 September 2025

Status: Closed (with decision)

Topic: Electricity generation, Long duration electricity storage

LDES Cap and Floor Regime: our role, plan, and response to the DESNZ publication

DESNZ has tasked Ofgem with implementing a cap and floor regime to encourage investments in LDES. This call for input invites feedback from stakeholders to help shape the final plan and ensure we can decide on approved projects by mid 2026.

Math o gyhoeddiad: Call for input

Dyddiad cyhoeddi: 18 December 2024

Status: Closed

Topic: Electricity generation, Long duration electricity storage

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Electricity storage publications

Includes licensing guidance, policy, news and insight.

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