• Data Explorer

  • On this page you will find data published by National Grid relating to the commercial operation of the electricity transmission system. This data includes cost and volume forecasts and outcomes relating to balancing services, BSUoS, reserve, response and BSIS information.

    The data also includes information associated with contract and services reports showing the costs of balancing services and the results of tender assessments. 

  • Real Time Demand Data - Last 60 Minutes


  • Historical Demand Data

  • 28 Dec 2016
    Demand_Data2016
    1686 KB

    15 Dec 2016
    There will be no daily DemandData_Update Wednesday 14 Dec
    13 KB

    30 Nov 2016
    Request For Customer Feedback on National Grid Energy Forecasting
    14 KB

    01 Sep 2016
    FAQ
    36 KB

    24 Jun 2016
    WeatherCorrectedDemands
    93 KB

    25 May 2016
    Historic System Frequency Data URL
    25 KB

    01 Apr 2016
    DemandData_2015
    1947 KB

    01 Apr 2016
    DemandData_2014
    1953 KB

    01 Apr 2016
    DemandData_2013
    1943 KB

    01 Apr 2016
    DemandData_2012
    1852 KB

    01 Apr 2016
    DemandData_2011
    1772 KB

    01 Apr 2016
    DemandData_2005-2010
    9625 KB

    01 Apr 2016
    DemandData Field Descriptions
    51 KB

    01 Sep 2016
    Operational Meter Unit List
    13 KB

    19 Feb 2017
    DemandData_Update
    119 KB

    •  
      Promo Panel
       
      Title:  Forecast volumes and costs
      Sub Title:
      Text:  
      BSUoS Forecasts, Ancillary Services and BSIS Forecasts
       
      Link to URL:   More Information
      BSUoS Forecasts, Ancillary Services and BSIS Forecasts

      More Information
    •  
      Promo Panel
       
      Title:  Outcome Energy Services
      Sub Title:
      Text:  
      STOR, Fast Reserve, Fast Start & Frequency Response
       
      Link to URL:   More Information
      STOR, Fast Reserve, Fast Start & Frequency Response

      More Information
    •  
      Promo Panel
       
      Title:  Outcome System Services
      Sub Title:
      Text:  
      Black Start, Constraints, Reactive & Intertrip
       
      Link to URL:   More Information
      Black Start, Constraints, Reactive & Intertrip

      More Information
    •  
      Promo Panel
       
      Title:  Outcome BSUoS
      Sub Title:
      Text:  
      BSUoS actuals
       
      Link to URL:   More Information