Archived Viking 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 below column ids for this datafile will be updated on 14th October 2026 as follows:
Hourly Time Period (GMT) → Hourly Time Period 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=0d20456e-85cc-47a9-b476-e2d8e7c1b8eb&limit=5`
Query example (via SQL statement)
`https://api.neso.energy/api/3/action/datastore_search_sql?sql=SELECT * from "0d20456e-85cc-47a9-b476-e2d8e7c1b8eb" LIMIT 5`

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

var data = {
  resource_id: '0d20456e-85cc-47a9-b476-e2d8e7c1b8eb', // 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=0d20456e-85cc-47a9-b476-e2d8e7c1b8eb&limit=5'
  fileobj = urllib2.urlopen(url)
  print fileobj.read()

Download (CSV)

Data Explorer

Table Information

Operational Date

Title	Operational Date
Type	date
Description	Operational Date for which restriction applies.
Comment
Example	2022-10-20
Unit	ISO 8601

Auction Type

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

Version

Title	Version
Type	integer
Description
Comment
Example
Unit

Hourly Time Period GMT

Title	Hourly Time Period (GMT)
Type	string
Description	Hourly time period for which restriction applies
Comment	Hourly time period for which restriction applies
Example	22:00 to 23:00
Unit

Flow in MW To GB

Title	Flow (MW) To GB
Type	integer
Description	Maximum flow in this direction
Comment	Maximum flow in this direction
Example	500
Unit	MW

Flow in MW From GB

Title	Flow (MW) From GB
Type	integer
Description	Maximum flow in this direction
Comment	Maximum flow in this direction
Example	500
Unit	MW

Reason For Reduction

Title	Reason For Reduction
Type	string
Description	Reason for NTC restriction
Comment	Reason for NTC restriction
Example	test reason
Unit

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Archived Viking NTC Data

CKAN Data API

Data Explorer

Data Explorer

Table Information

Operational Date

Auction Type

Version

Hourly Time Period GMT

Flow in MW To GB

Flow in MW From GB

Reason For Reduction