Non BM Window Price Change_2025

The National Energy System Operator (NESO) publishes Non-BM window price data from its Ancillary Services Dispatch (ASDP) System. This is published near real time publishing data from ASDP every 30 minutes and on event basis. A new file will be created on yearly basis.

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=91749b29-d98a-4565-b126-bd021253b3af&limit=5`
Query example (via SQL statement)
`https://api.neso.energy/api/3/action/datastore_search_sql?sql=SELECT * from "91749b29-d98a-4565-b126-bd021253b3af" LIMIT 5`

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

var data = {
  resource_id: '91749b29-d98a-4565-b126-bd021253b3af', // 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=91749b29-d98a-4565-b126-bd021253b3af&limit=5'
  fileobj = urllib2.urlopen(url)
  print fileobj.read()

Download (CSV)

Data Explorer

Table Information

EntryID

Title	Entry ID
Type	integer
Description	EntryID from Instruction Dispatches
Comment	N/A
Example	1
Unit	N/A

ServiceType

Title	Service Type
Type	string
Description	Service type
Comment	N/A
Example	All STOR service types are Non-BM STOR and FAST RESERVE type is Non-BM Fast Reserve. All RDP MW Dispatch Instructions will currently have RDP_NEGATIVE
Unit	N/A

SPStartDateTime

Title	SP Start DateTime
Type	datetime
Description	Date time Settlment Period starts.
Comment	N/A
Example	2024-09-01T00:00:00
Unit	N/A

SPEndDateTime

Title	SP End DateTime
Type	datetime
Description	Settlement Period End Date Time
Comment	N/A
Example	2024-09-01T00:00:00
Unit	N/A

WindowPrice

Title	Window Price
Type	number
Description	Indicative Price
Comment	N/A
Example	39.23
Unit	N/A

CreatedTime

Title	Created Time
Type	datetime
Description	Created Time
Comment	N/A
Example	2019-01-30 12:27:16Z
Unit	N/A

PartyID

Title	Party ID
Type	string
Description	This should be the service provider name associated with the corresponding instruction
Comment	N/A
Example	FRP MERCIA HOLDCO LTD
Unit	N/A

AssetID

Title	Asset ID
Type	string
Description	This should be the Non-BMU ID associated with the corresponding instruction. For RDP MW Dispatch, this will be the NESO assigned Unit ID for the respective
Comment	N/A
Example	MPR-8
Unit	N/A

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Non BM Window Price Change_2025

CKAN Data API

Data Explorer

Data Explorer

Table Information

EntryID

ServiceType

SPStartDateTime

SPEndDateTime

WindowPrice

CreatedTime

PartyID

AssetID