historic-demand-data

National Grid Electricity System Operator (ESO) is the transmission system operator, working to balance supply and demand in real time, as well as coordinating markets and auctions which ensure sufficient future supply, and exploring initiatives such as demand-side response measures to reduce peaks in electricity demand.

national-grid-eso

National Grid ESO

This document contains useful FAQ's on the Historic Demand Data dataset.  

Frequently Asked Questions (FAQ)

Historic electricity demand, interconnector, wind and solar outturn data for 2009.

Historic Demand Data 2009

Historic electricity demand, interconnector, wind and solar outturn data for 2010.

Historic Demand Data 2010

Historic electricity demand, interconnector, wind and solar outturn data for 2011.

Historic Demand Data 2011

Historic electricity demand, interconnector, wind and solar outturn data for 2012. 

Historic Demand Data 2012

Historic electricity demand, interconnector, wind and solar outturn data for 2013. 

Historic Demand Data 2013

Historic electricity demand, interconnector, wind and solar outturn data for 2014.

Historic Demand Data 2014

Historic electricity demand, interconnector, wind and solar outturn data for 2015.

Historic Demand Data 2015

Historic electricity demand, interconnector, wind and solar outturn data for 2016. 

Historic Demand Data 2016

Historic electricity demand, interconnector, wind and solar outturn data for 2017. 

Historic Demand Data 2017

Historic electricity demand, interconnector, wind and solar outturn data for 2018. 

Historic Demand Data 2018

Historic electricity demand, interconnector, wind and solar outturn data for 2019. 

Historic Demand Data 2019

Historic electricity demand, interconnector, wind and solar outturn data for 2020. 

Historic Demand Data 2020

Historic electricity demand, interconnector, wind and solar outturn data for 2021. Please find a brief summary of some of the columns in the dataset: ND = National Demand is the sum of metered generation, but excludes generation required to meet station load, hydro storage pumping and interconnector exports TSD = Transmission System Demand is equal to the ND plus the additional generation required to meet station load, pump storage pumping and interconnector exports

Historic Demand Data 2021

Historic electricity demand, interconnector, wind and solar outturn data for 2022. Please find a brief summary of some of the columns in the dataset: ND = National Demand is the sum of metered generation, but excludes generation required to meet station load, hydro storage pumping and interconnector exports TSD = Transmission System Demand is equal to the ND plus the additional generation required to meet station load, pump storage pumping and interconnector exports

Historic Demand Data 2022

Historic electricity demand, interconnector, wind and solar outturn data for 2023. Please find a brief summary of some of the columns in the dataset: ND = National Demand is the sum of metered generation, but excludes generation required to meet station load, hydro storage pumping and interconnector exports TSD = Transmission System Demand is equal to the ND plus the additional generation required to meet station load, pump storage pumping and interconnector exports

Historic Demand Data 2023

Historic electricity demand, interconnector, wind and solar outturn data for 2024. Please find a brief summary of some of the columns in the dataset: ND = National Demand is the sum of metered generation, but excludes generation required to meet station load, hydro storage pumping and interconnector exports TSD = Transmission System Demand is equal to the ND plus the additional generation required to meet station load, pump storage pumping and interconnector exports

Historic Demand Data 2024

Historic electricity demand, interconnector, wind and solar outturn data for 2025. Please find a brief summary of some of the columns in the dataset: ND = National Demand is the sum of metered generation, but excludes generation required to meet station load, hydro storage pumping and interconnector exports FORECAST_ACTUAL_INDICATOR = Indication of whether data is out-turn (A) or forecast (F) I014_ND = Equivalent to ND but calculated using settlement metered generation data from the I014 file where available TSD = Demand is equal to the ND plus the additional generation required to meet station load, pump storage pumping and interconnector exports I014_TSD = Equivalent to TSD (above), but calculated using settlement metered generation data from the I014 file where available