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EIR/202500494797 · FOI/EIR · unclear

Breakdown of projected battery storage needed in Scotland at 2030 and 2050: EIR release

Published
2026-02-17
Received
2025-11-20
Responded
2025-12-17
Directorate
Chief Economist Directorate
Topic
Economy, Public sector
Exemptions
None detected

Information requested

A Freedom of Information Request from September 2024 asked "Can you provide the figure of how much Battery Energy Storage System (BESS) is needed in Scotland, with regards meeting Net Zero in 2050. I am looking for the figure in Gigawatts."

They received this response: https://www.gov.scot/publications/foi-202400433145/ which was related to NESO's 2024 Future Energy Scenarios Report.

The FES 2025 is now published but does not contain a breakdown of the projected Battery storage needed in Scotland at 2030 and 2050. Please could you provide the updated information related to the 2025 report.

Response

NESO’s Future Energy Scenarios (FES) 2025 publication is available at: Future Energy Scenarios (FES) | National Energy System Operator, and the accompanying data workbook can be found at: Future Energy Scenarios 2025 Data Workbook V005.xlsx

Using building block level data contained in the data workbook, the FES 2025 suggests that between 3.4-5.3 GW of battery storage could be required in Scotland by 2030, and between 7.8-8.7 GW by 2050. Please note that these ranges exclude the “Falling Behind” estimate, as this pathway does not meet Net Zero.

About FOI

The Scottish Government is committed to publishing all information released in response to Freedom of Information requests. View all FOI responses at https://www.gov.scot/foi-responses.

Contact Please quote the FOI reference Central Correspondence Unit Email: contactus@gov.scot Phone: 0300 244 4000 The Scottish Government St Andrew's House Regent Road Edinburgh EH1 3DG

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