Source · GB
UK Power Networks open data portal
LTDS capacity heat map (primary substations: location, voltages, firm capacity, demand and generation available capacity) and the embedded capacity register, 1 MW and above (GB). Rare Context republishes 15,364 facts from UK Power Networks open data portal under CC BY 4.0, linked to owners and places.
About this source
| Publisher's page | https://ukpowernetworks.opendatasoft.com |
| Licence | CC BY 4.0 |
| Credit | UK Power Networks |
| Licence terms | CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) on both dataset records (ukpn-capacity-heatmap, ukpn-embedded-capacity-register), publisher UK Power Networks (company number 3870728). Credit "UK Power Networks" with a link to the licence and note changes. The register's record adds "Contains OS data © Crown copyright and database right" and ONS data under OGL v3.0 for its boundary-derived fields. |
| Coverage | GB |
| Access | Opendatasoft API; both datasets need a free account's API key (UKPN_API_KEY) |
| Refresh | Monthly |
Download
Public claims as JSON Lines, one record per line. Listed claims carry no value. Every source's public claims together, as CSV, are in the open data download.
| File | Records | Updated | Last checked |
|---|---|---|---|
| capacity_heatmap.jsonl | 7,741 | 25 Oct 2026 | 25 Oct 2026 |
| ecr.jsonl | 10,227 | 25 Oct 2026 | 25 Oct 2026 |
Pages built from this source
- Grid connections1,036
- Substations967
Grid connections
- Shoreham Power Station grid connection460 MW
- Gt Yarmouth Power Station grid connection420 MW
- Kings Lynn Power Station grid connection350 MW
- Peterborough Power Station grid connection338 MW
- Sheringham Shoal Offshore Windfarm grid connection322 MW
- Thanet Windfarm grid connection315 MW
- Southfleet Hook Green grid connection300 MW
- Land At Hookers Farm grid connection263 MW
Substations
An extract from UK Power Networks open data portal.Its records for a place or owner you name, joined to the owners and grid data from our other sources: on request.
Data on this page
- UK Power Networks. UK Power Networks open data portal, CC BY 4.0.