ElecLink NTC Data

NESO's Net Transfer Capacity restrictions submitted to Day-ahead and Intraday auctions.

NOTE: As part of our ongoing efforts to align with data management best practices and improve consistency across datasets, the column ids for this datafile will be updated on 17th September 2026 as follows:
Data Upload Time (GMT) → Data Upload Time GMT
Operational Period Start Date & Time (GMT) → Operational Period Start Date and Time GMT
Flow (MW) To GB → Flow in MW To GB
Flow (MW) From GB → Flow in MW From GB

CKAN Data API

Access resource data via a web API with powerful query support.
Further information in the main CKAN Data API and DataStore documentation.

The Data API can be accessed via the following actions of the CKAN action API.

Query
`https://api.neso.energy/api/3/action/datastore_search`
Query (via SQL)
`https://api.neso.energy/api/3/action/datastore_search_sql`

Query example (first 5 results)
`https://api.neso.energy/api/3/action/datastore_search?resource_id=1f748d48-1daf-4f1a-a5f1-d581e86a2190&limit=5`
Query example (via SQL statement)
`https://api.neso.energy/api/3/action/datastore_search_sql?sql=SELECT * from "1f748d48-1daf-4f1a-a5f1-d581e86a2190" LIMIT 5`

A simple ajax (JSONP) request to the data API using jQuery.

var data = {
  resource_id: '1f748d48-1daf-4f1a-a5f1-d581e86a2190', // the resource id
  limit: 5 // get 5 results
};
$.ajax({
  url: 'https://api.neso.energy/api/3/action/datastore_search',
  data: data,
  dataType: 'jsonp',
  success: function(data) {
    alert('Total results found: ' + data.result.total)
  }
});

A simple ajax (JSONP) request to the data API using jQuery.

import urllib2
  url = 'https://api.neso.energy/api/3/action/datastore_search?resource_id=1f748d48-1daf-4f1a-a5f1-d581e86a2190&limit=5'
  fileobj = urllib2.urlopen(url)
  print fileobj.read()

Download (CSV)

Data Explorer

Table Information

Data Upload Time GMT

Title	Data Upload Time (GMT)
Type	datetime
Description	Date and time that data was published
Comment	N/A
Example	2022-10-20T23:00:00
Unit	ISO 8601

Auction Type

Title	Auction Type
Type	string
Description	Day-ahead (DA) or Intraday (ID) auction
Comment	N/A
Example	Intraday2
Unit	N/A

Operational Period Start Date and Time GMT

Title	Operational Period Start Datetime (GMT)
Type	datetime
Description	Hourly Operational Period Start Datetime for which restriction applies. The provided timestamp reflects the datetime when the period starts the next 1 hour time.
Comment	In example if the Period is mentioned as "2022-10-20T22:00:00" it means the period of time between 2022-10-20T22:00:00 and 2022-10-20T23:00:00
Example	2022-10-20T22:00:00
Unit	ISO 8601

Flow in MW To GB

Title	Flow (MW) To GB
Type	integer
Description	Maximum flow in this direction
Comment	N/A
Example	1000
Unit	MW

Reason For Restriction To GB

Title	Reason For Restriction To GB
Type	string
Description	Reason for restriction in this direction
Comment	N/Q
Example	Network Constraints
Unit	N/A

Flow in MW From GB

Title	Flow (MW) From GB
Type	integer
Description	Maximum flow in this direction
Comment	N/A
Example	1000
Unit	MW

Reason For Restriction From GB

Title	Reason For Restriction From GB
Type	string
Description	Reason for restriction in this direction
Comment	N/A
Example	Network Constraints
Unit	N/A

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ElecLink NTC Data

CKAN Data API

Data Explorer

Data Explorer

Table Information

Data Upload Time GMT

Auction Type

Operational Period Start Date and Time GMT

Flow in MW To GB

Reason For Restriction To GB

Flow in MW From GB

Reason For Restriction From GB