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  • 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

  • 19 Oct 2017
    Demand_Data2017
    1455 KB

    19 Nov 2017
    DemandData_Update
    275 KB

    10 Mar 2017
    DemandData_2011-2016
    11295 KB

    10 Mar 2017
    DemandData_2005-2010
    9625 KB

    06 Mar 2017
    Demand Incentives Forecasts Information
    5 KB

    28 Feb 2017
    Demand Forecasting Plan February 17
    17 KB

    06 Mar 2017
    Request For Customer Feedback on National Grid Energy Forecasting
    14 KB

    01 Sep 2016
    FAQ
    36 KB

    24 Jun 2016
    WeatherCorrectedDemands
    93 KB

    03 Mar 2017
    Historic System Frequency Data URL
    25 KB

    01 Apr 2016
    DemandData Field Descriptions
    51 KB

    01 Sep 2016
    Operational Meter Unit List
    13 KB

  • Demand Incentive Forecasts

  • 19 Nov 2017
    2dayAhead_19_11_17_14_46
    0 KB

    19 Nov 2017
    7dayAhead_19_11_17_14_07
    0 KB

    19 Nov 2017
    1dayAhead_19_11_17_08_35
    0 KB

    18 Nov 2017
    2dayAhead_18_11_17_14_57
    0 KB

    18 Nov 2017
    7dayAhead_18_11_17_13_35
    0 KB

    17 Nov 2017
    7dayAhead_17_11_17_15_12
    0 KB

    16 Nov 2017
    7dayAhead_16_11_17_11_47
    0 KB

    15 Nov 2017
    7dayAhead_15_11_17_11_59
    0 KB

    15 Nov 2017
    7dayAhead_14_11_17_15_08
    0 KB

    14 Nov 2017
    1dayAhead_14_11_17_08_45
    0 KB

    13 Nov 2017
    7dayAhead_13_11_17_13_14
    0 KB

    06 Oct 2017
    Quarterly Forecasting Report - Sept17
    890 KB

    03 Jul 2017
    Quarterly Forecasting Report- June 17
    1115 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