DFS Service Requirements

MW requirements for Demand Flexibility Live and Test Events and details of Registered DFS Participant bid eligibility.

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=7914dd99-fe1c-41ba-9989-5784531c58bb&limit=5`
Query example (via SQL statement)
`https://api.nationalgrideso.com/api/3/action/datastore_search_sql?sql=SELECT * from "7914dd99-fe1c-41ba-9989-5784531c58bb" LIMIT 5`

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

var data = {
  resource_id: '7914dd99-fe1c-41ba-9989-5784531c58bb', // 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=7914dd99-fe1c-41ba-9989-5784531c58bb&limit=5'
  fileobj = urllib2.urlopen(url)
  print fileobj.read()

Download (CSV)

Data Explorer

Table Information

Delivery Date

Title	Delivery Date
Type	date
Description	Date of DFS Event.
Comment
Example	2023-12-31
Unit	N/A

From

Title	From
Type	time
Description	DFS service window start time.
Comment	GMT
Example	HH:MM
Unit	17:00

To

Title	To
Type	time
Description	DFS service window end time.
Comment	GMT
Example	18:00
Unit	HH:MM

DFS Required MW

Title	DFS Required MW
Type	integer
Description	Service Requirement: MW volume of DFS required for corresponding service window.
Comment
Example	100
Unit	MW

Service Requirement Type

Title	Service Requirement Type
Type	string
Description	Indicating if Service Requirements corresponds to a Live or Test DFS Event.
Comment
Example	Live
Unit	N/A

Guaranteed Acceptance Price GBP per MWh

Title	Guaranteed Acceptance Price GBP per MWh
Type	number
Description	The ESO commits to accepting all tendered DFS Bids for the corresponding service window price at or below the Guaranteed Acceptance Price.
Comment
Example	3000
Unit	£/MWh

Despatch Type

Title	Despatch Type
Type	string
Description	Indicating if all Registered DFS Participants are eligible to tender bids for corresponding service window, or only a subgroup of Registered DFS Participants are eligible to tender bids for corresponding service window.
Comment
Example	All Participants
Unit	N/A

Participant Bids Eligible

Title	Participant Bids Eligible
Type	string
Description	List of Registered DFS Participants eligible to tender bids for corresponding service window.
Comment
Example	A, B, C, D, E
Unit	N/A

For any queries or feedback please contact [email protected]

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DFS Service Requirements

CKAN Data API

Data Explorer

Data Explorer

Table Information

Delivery Date

From

To

DFS Required MW

Service Requirement Type

Guaranteed Acceptance Price GBP per MWh

Despatch Type

Participant Bids Eligible