Transmission Demand Residual (TDR) Tariffs

This data file contains the TNUoS tariffs related to sites liable for Transmission Demand Residual (TDR). This file will be updated on a quarterly basis (when tariffs are published), to receive auto updates please register and subscribe to the TNUoS Tariffs Dataset.

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.nationalgrideso.com/api/3/action/datastore_search`
Query (via SQL)
`https://api.nationalgrideso.com/api/3/action/datastore_search_sql`

Query example (first 5 results)
`https://api.nationalgrideso.com/api/3/action/datastore_search?resource_id=dcca94fd-343e-4d4e-8c5d-66009dec4ad3&limit=5`
Query example (via SQL statement)
`https://api.nationalgrideso.com/api/3/action/datastore_search_sql?sql=SELECT * from "dcca94fd-343e-4d4e-8c5d-66009dec4ad3" LIMIT 5`

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

var data = {
  resource_id: 'dcca94fd-343e-4d4e-8c5d-66009dec4ad3', // the resource id
  limit: 5 // get 5 results
};
$.ajax({
  url: 'https://api.nationalgrideso.com/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.nationalgrideso.com/api/3/action/datastore_search?resource_id=dcca94fd-343e-4d4e-8c5d-66009dec4ad3&limit=5'
  fileobj = urllib2.urlopen(url)
  print fileobj.read()

Download (CSV)

Data Explorer

Table Information

Publication

Title	Publication
Type	string
Description	forecast or draft or final tariffs
Comment	N/A
Example	Final
Unit	N/A

Year_FY

Title	Year FY
Type	integer
Description	Financial year
Comment	for example, 2024 for financial year 2023/24
Example	2024
Unit	ISO 8601

Published_Date

Title	Published Date
Type	date
Description	date when published
Comment	date in the format of year-month-date
Example	2023-11-28
Unit	ISO 8601

TDR Band

Title	TDR Band
Type	string
Description	Band category for final demand sites that are liable for Transmission Demand Residual (TDR) tariffs
Comment
Example	EHV3
Unit	N/A

TDR Tariff in Â£/(Site Day)

Title	TDR Tariff in £/(Site Day)
Type	number
Description	TDR tariffs per day, at 6d.p. TDR Tariff in £/(Site Day) for all sites except UMS (UMS sites TDR tariffs are in p/kWh per day)
Comment	for sites of unmetered supplies of electricity, p/kWh; for all other final demand sites, £/site
Example	12.345678
Unit	p/kWh for sites of unmetered supplies; OR £/site for all other final demand sites

Notes

Title	Notes
Type	string
Description	alternative names for the TDR bands
Comment
Example	Unmetered
Unit	N/A

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Transmission Demand Residual (TDR) Tariffs

CKAN Data API

Data Explorer

Data Explorer

Table Information

Publication

Year_FY

Published_Date

TDR Band

TDR Tariff in Â£/(Site Day)

Notes