National energy context

How quickly is UK solar capacity growing?

This national series gives honest context around local energy questions. It is not a roof-level suitability score and contains no household or installation records.

Latest published point

22,992.213 MW in Jul 2026.

Great Britain accounts for 22,559.965 MW in the same published table.

UK solar capacity over time

Annual December checkpoints from the DESNZ monthly deployment table, followed by July 2026. The final interval is seven months, not a complete year. Capacity is not electricity generated.

Dec 201093.6 MW

Dec 20111,010.1 MW

Dec 20121,774.9 MW

Dec 20132,919.2 MW

Dec 20145,600.5 MW

Dec 20159,909.3 MW

Dec 201612,007.9 MW

Dec 201712,882.9 MW

Dec 201813,183.6 MW

Dec 201913,496.5 MW

Dec 202013,808.3 MW

Dec 202114,271 MW

Dec 202215,139.4 MW

Dec 202317,551.6 MW

Dec 202419,431.1 MW

Dec 202522,082.6 MW

Jul 202622,992.2 MW

Source and limits

Aggregate deployment only.

Department for Energy Security and Net Zero, Solar photovoltaics deployment, July 2026 release, licensed under the Open Government Licence v3.0. This page does not identify installations, owners or suitable roofs.

Shared catalogue checked 2026-08-28: 88 candidate data layers listed. Catalogue presence is not publication approval; only separately approved public projections may be shown.