Live Wind Farm Map — Current Power Plans Across Great Britain

What the planned power figure means

The figure shows how much power a wind farm said it planned to supply during the current half-hour. Elexon calls this its declared position. It is a plan sent to the electricity system, not measured output from a live meter.

Britain’s grid operator can ask a wind farm to change that plan to help balance supply and demand. Where that happens, the panel shows the revised amount separately. If any linked record is missing from the response, the whole-site figure is marked unknown rather than quietly replacing the missing amount with zero.

Why the map does not show every wind farm

This is a checked set of links between different official records, not a geographical search for every turbine. It starts with current wind-farm records in Elexon’s electricity-market data, then looks for the same site in the Renewable Energy Planning Database or the major power producer station list. Only confirmed matches with usable coordinates appear on the public map.

Coverage figures in the map header are calculated from the current database each time the site list is read. A confirmed crosswalk says the Elexon register name and the asset register name denote the same physical site. A reviewed grouped site may contain several publisher project rows; its government-register capacity is their sum, while matched BM Unit capacity remains separate.

How wind farms are matched to grid records

Published identifiers and similar site names can suggest a possible match, but they cannot confirm one. A reviewer checks the site, operator, technology and capacity evidence. Competing sites and conflicting identifiers stay off the map until the uncertainty is resolved.

Elexon can represent one physical wind farm with several separate market records. The map adds those records together only after they have been confirmed as belonging to the same site. The detail panel explains how many records make up the total without exposing their technical codes.

Sources, licensing and update times

Live declared positions and accepted instructions are requested from Elexon BMRS when the page refreshes. They are passed through without being stored by this feature. The reviewed site list is cached for six hours because its government registers and human review move much more slowly.

• Elexon BMRS — physical notifications, accepted balancing instructions and BM Unit registration data. Contains BMRS data © Elexon Limited copyright and database right.
• Power stations in the United Kingdom, May 2026 (DUKES 5.11) — Department for Energy Security and Net Zero. Contains public sector information licensed under the Open Government Licence v3.0. Source: DESNZ Digest of UK Energy Statistics, Table 5.11. © Crown copyright 2026.
• Renewable Energy Planning Database: July 2026 — Department for Energy Security and Net Zero. Contains public sector information licensed under the Open Government Licence v3.0. Source: DESNZ Renewable Energy Planning Database, managed by Barbour ABI. © Crown copyright 2026.
• Ordnance Survey Vector Tiles — Contains OS data © Crown copyright and database right 2026.