• 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

  • 23 May 2017
    Demand_Data2017
    674 KB

    27 May 2017
    DemandData_Update
    304 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

  • 27 May 2017
    2dayAhead_27_05_17_15_12
    0 KB

    27 May 2017
    7dayAhead_27_05_17_12_14
    0 KB

    27 May 2017
    1dayAhead_27_05_17_08_50
    0 KB

    26 May 2017
    2dayAhead_26_05_17_15_58
    0 KB

    26 May 2017
    7dayAhead_26_05_17_11_59
    0 KB

    25 May 2017
    7dayAhead_25_05_17_15_57
    0 KB

    24 May 2017
    7dayAhead_24_05_17_11_38
    0 KB

    23 May 2017
    7dayAhead_23_05_17_11_34
    0 KB

    22 May 2017
    7dayAhead_22_05_17_12_37
    0 KB

    21 May 2017
    7dayAhead_21_05_17_10_56
    0 KB

    15 May 2017
    7dayAhead_15_05_17_14_23
    0 KB

    10 May 2017
    1dayAhead_10_05_17_08_57
    0 KB

    17 Mar 2017
    1dayAhead_17_03_17_08_51
    0 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