Onshore Local Circuit Tariffs

This data file contains the TNUoS tariffs related to Onshore Local Circuits. 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.

<span style=""color: rgb(176,74,42)"">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 19th October 2026 as follows:
Tariff_£/kW → Tariff GBP per kW

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=01f36b32-4ad3-47fa-a645-7f7a47f1b0ae&limit=5`
Query example (via SQL statement)
`https://api.neso.energy/api/3/action/datastore_search_sql?sql=SELECT * from "01f36b32-4ad3-47fa-a645-7f7a47f1b0ae" LIMIT 5`

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

var data = {
  resource_id: '01f36b32-4ad3-47fa-a645-7f7a47f1b0ae', // 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=01f36b32-4ad3-47fa-a645-7f7a47f1b0ae&limit=5'
  fileobj = urllib2.urlopen(url)
  print fileobj.read()

Download (CSV)

Data Explorer

Table Information

Publication

Title	Publication
Type	string
Description	States what publication type the tariff relates to
Comment	Tariff Publication (Forecast, Draft or Final)
Example	Forecast
Unit

Year_FY

Title	Financial Year
Type	integer
Description	Year in which the tariff relates to i.e. 2021 = 1 April 2020 to 31 March 2021
Comment	Year in which the tariff relates to i.e. 2021 = 1 April 2020 to 31 March 2021 (2020/21)
Example	2021
Unit

Published_Date

Title	Date of Tariff Publication
Type	date
Description	Date tariffs were published
Comment	Example would be that the 2021 Final tariffs we published 31 January 2020 (2020/01/30)
Example	2020/01/31
Unit

Substation_Name

Title	Substation Name
Type	string
Description	Name of Substation
Comment
Example	Achrauch
Unit

Tariff GBP per kW

Title	Onshore Local Circuit Tariff
Type	number
Description	Onshore Local Circuit in £/kW
Comment
Example	1.234567
Unit	£ per kW

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Onshore Local Circuit Tariffs

CKAN Data API

Data Explorer

Data Explorer

Table Information

Publication

Year_FY

Published_Date

Substation_Name

Tariff GBP per kW