Simple, Transparent Pricing
Access comprehensive grid data from all six GB Distribution Network Operators in one place.
Free
Explore the GB grid network
- Browse interactive map
- View substation locations
- Filter by DNO and voltage
- RAG status indicators
- Unlimited searches
Pro
Full access to all grid data
Lock in this price forever - it will increase soon!
- Everything in Free, plus:
- Generation headroom (MW)*
- Fault level data (kA)*
- Firm capacity (MVA)*
- Make/break ratings*
- Upstream constraint data*
- Filter by headroom & fault levels
- Export data (coming soon)
*Data availability varies by DNO and location. We display all data published by each DNO.
Frequently Asked Questions
Where does the data come from?
All data is sourced directly from official DNO open data portals. We aggregate data from NGED, UKPN, NPG, SPEN, ENW, and SSEN under their respective open data licenses (OGL v3.0, CC BY 4.0).
How often is the data updated?
We sync with DNO data sources regularly. Most DNOs update their capacity data quarterly or when network conditions change. The data on our platform reflects the latest available from each DNO.
Can I cancel anytime?
Yes, you can cancel your Pro subscription at any time from your account page. Your access will continue until the end of your current billing period.
Do you offer team or enterprise plans?
Not yet, but we're working on it! Contact us at support@griddata.uk if you need team licensing or custom data solutions.
Why is some data missing for certain substations?
Data availability depends on what each DNO publishes. Some DNOs provide more comprehensive data than others, and not all substations have complete records. We display everything available from official DNO sources - if data is missing, it's because the DNO hasn't published it. We continuously work to incorporate new data as DNOs release it.
Which data fields are available for each DNO?
NGED: Demand headroom, fault levels, make/break ratings, firm capacity, RAG status (generation headroom limited to published Net Opportunity Map sites)
UKPN: Generation & demand headroom, firm capacity, LTDS busbars
NPG: Demand headroom, firm capacity, DG heatmap, busbar/LTDS info
SPEN: Fault levels, make/break ratings, generation & demand headroom, firm capacity, constraint data — most complete coverage
ENW: Generation & demand headroom and firm capacity for primaries, plus LV DFES forecasts
SSEN: Substation locations, LTDS busbars, primary/BSP headroom & fault levels
Coverage improves as DNOs release more open data. Last updated: May 2026.