NPg capacity API

Northern Powergrid

Northern Powergrid's published hosting-capacity data, read from 4 of its publications and served in one schema: each value with its direction, technology, horizon, methodology, freshness and the operator's own licence terms.

This service is independent of Northern Powergrid. Figures are the operator’s, published by the operator; they are indicative and not a connection offer.

Publications

4 registered

Publications of Northern Powergrid
Source	Rights	Health	Cadence	Operator date	Last success	Assets
NPg GSP connection informationgb_npg_gsp_connection_info	Granted	Healthy	When the operator updates it	19 Feb 2026	11 h ago	50
Northern Powergrid Heat Map Datagb_npg_heatmap	Granted	Healthy	Monthly	27 Jul 2026	11 h ago	670
Northern Powergrid LTDS Capacity Heatmapgb_npg_ltds_heatmap	Granted	Disabled	Twice a year	—	never	0
NPg Network Development Plan headroomgb_npg_ndp_headroom	Granted	Healthy	Yearly	24 Apr 2026	11 h ago	627

Assets

723 in total

The first 20 by name. The API lists them all: /v1/substations?operator=npg.

Query NPg

Every record from this operator, filterable by direction, technology, availability type, firmness and horizon.

$ curl "https://api.gridcapacityapi.com/v1/capacity/search?operator=npg&limit=20" \  -H "Authorization: Bearer gc_live_..."