| Title | Owner | Updated |
|---|---|---|
Day Ahead Wind Forecast OpenThe dataset contains national wind forecast over a day ahead timescale as well as all historic day ahead wind forecasts to assist the industry to make efficient decisions in balancing their supply and demand...
2
ESO
|
National Grid ESO | 2021-10-11 |
National Carbon Intensity Forecast OpenThis dataset contains national carbon intensity forecast for the GB electricity system. The carbon intensity of electricity is a measure of how much CO2 emissions are produced per kilowatt hour of electricity...
1
CC-BY-4.0
|
National Grid ESO | 2021-10-11 |
Transmission Network Use of System (TNUoS) Tariffs OpenThis dataset contains a breakdown of all the Transmission Network Use of System (TNUoS) tariff elements of which are forecasted and set by the revenue team at National Grid ESO. These files will be updated on...
6
ESO
|
National Grid ESO | 2021-10-11 |
Current Balancing Services Use of System (BSUoS) Charges OpenThere is a file for each run type we calculate a BSUoS charge for - Interim Initial (II), Settlement Final (SF) and Reconciliation Final (RF). These are updated daily with the actual Half Hourly BSUoS price....
3
ESO
|
National Grid ESO | 2021-10-11 |
Interconnector Requirement and Auction Summary Data OpenNational Grid ESO (NGESO) trades on interconnectors to adjust the flow of electricity into or out of Great Britain to help manage system issues such as Rate Of Change Of Frequency (ROCOF), thermal constraints...
4
ESO
|
National Grid ESO | 2021-10-11 |
Constraint Breakdown Costs and Volume OpenThe publication consists of constraint breakdown information to provide additional transparency of why as ESO we are taking actions on the system. Please note that tags applied to actions can occasionally be...
5
ESO
|
National Grid ESO | 2021-10-11 |
Monthly Balancing Services Summary (MBSS) OpenThe Monthly Balancing Services Summary (MBSS) gives the costs and volumes of balancing services used by the Electricity System Operator. These costs are broken into individual months in the past financial...
71
ESO
|
National Grid ESO | 2021-10-11 |
Thermal Constraint Costs OpenThermal constraints are taken when the amount of energy that would flow naturally from one region to another exceeds the capacity of the circuits connecting the two regions. This dataset provides outturn...
7
ESO
|
National Grid ESO | 2021-10-11 |
Country Carbon Intensity Forecast OpenThis dataset contains country carbon intensity forecast for the GB electricity system.The carbon intensity of electricity is a measure of how much CO2 emissions are produced per kilowatt hour of electricity...
1
CC-BY-4.0
|
National Grid ESO | 2021-10-11 |
Daily Balancing Services Use of System (BSUoS) Cost Data OpenThe BSUoS charge recovers the cost of day-to-day operation of the transmission system. Generators and suppliers are liable for these charges, which are calculated daily as a flat tariff for all users....
5
ESO
|
National Grid ESO | 2021-10-11 |
Transmission Entry Capacity (TEC) Register OpenA list of projects that hold contracts for Transmission Entry Capacity (TEC) with us. These include existing and future connection projects and projects that can be directly connected to the National...
1
ESO
|
National Grid ESO | 2021-10-11 |
Balancing Services Adjustment Data (BSAD) Forward Contracts OpenBalancing Services Adjustment Data (BSAD) is used to submit balancing actions to the Balancing & Settlement Code (BSC), which defines the rules and governance for the balancing mechanism and imbalance...
6
ESO
|
National Grid ESO | 2021-10-11 |
Regional Carbon Intensity Forecast OpenThis dataset contains regional carbon intensity forecast for the GB electricity system.The carbon intensity of electricity is a measure of how much CO2 emissions are produced per kilowatt hour of electricity...
1
CC-BY-4.0
|
National Grid ESO | 2021-10-11 |
ESO Operational Transparency Forum OpenThe Electricity National Control Centre (ENCC) are focused on protecting customers and stakeholders from operational risk across the COVID-19 period and beyond. We are aware that further transparency on our...
164
ESO
|
National Grid ESO | 2021-10-11 |
Dynamic Containment Data OpenFrom the 15th September 2021, the auction is run via the EPEX platform. The below files - DC Block Orders Master Data, DC Results by Unit Master Data , DC Results Summary Master Data and DC Linear Orders are...
5
ESO
|
National Grid ESO | 2021-10-11 |
Interconnector Register OpenA list of interconnector projects that hold connection contracts with NGESO. These include active interconnectors and future interconnector projects. ...
1
ESO
|
National Grid ESO | 2021-10-11 |
Week Ahead Overnight Voltage Requirement OpenThe number of voltage machine required for a given voltage group for upcoming weekend and following Monday to Friday. Given the complexity and locational nature of the voltage requirement, the actual...
4
ESO
|
National Grid ESO | 2021-10-11 |
Dispatch Transparency OpenThis dataset is a component of the Forward Plan 2020-21 commitment to increase the transparency of our operational decision making in the Balancing Mechanism (BM). It includes the publication of actions taken...
4
ESO
|
National Grid ESO | 2021-10-11 |
Embedded Wind and Solar Forecasts OpenElectricity System Operator (ESO) publishes at a half-hourly resolution the embedded (refer to embedded document for definition) wind and solar forecast from within day up to 14 days ahead. This forecast gets...
2
ESO
|
National Grid ESO | 2021-10-11 |
System Inertia OpenThis dataset contains an estimate of the outturn inertia and market provided inertia for Great Britain Transmission System.
5
ESO
|
National Grid ESO | 2021-10-11 |
Historic GTMA (Grid Trade Master Agreement) Trades Data OpenThis dataset contains data for historic GTMA (Grid Trade Master Agreement) trades conducted since April 2015. The data includes the trade ID, start and end time and date, the volume in MW, the price in £/MWh...
8
ESO
|
National Grid ESO | 2021-10-11 |
Voltage System Costs OpenTo give greater insight on balancing decisions, this post monthly report provides outturn system costs for maintaining voltage levels on the network. Maintaining the electricity system at the correct voltages...
9
ESO
|
National Grid ESO | 2021-10-11 |
2 Day Ahead Demand Forecast OpenThis dataset contains national electricity demand forecast for 2 days ahead as well as all historic 2 day ahead demand forecasts. The forecast assist the industry to make efficient decisions in balancing their...
3
ESO
|
National Grid ESO | 2021-10-11 |
Obligatory Reactive Power Service (ORPS) OpenThe obligatory reactive power service (ORPS) is the provision of varying reactive power output. At any given output generators may be requested to produce or absorb reactive power to help manage system...
5
ESO
|
National Grid ESO | 2021-10-11 |
Day Ahead Constraint Flows and Limits OpenA snapshot of the limits and flows at relevant boundaries at day ahead stage. These flow values are true for when the measurement was taken and will not reflect any changes in the flows following the...
3
ESO
|
National Grid ESO | 2021-10-11 |
System Frequency OpenThis page holds the historic system frequency data for Great Britain at a 1 second resolution. It is the role of the National Grid ESO to keep the system frequency at 50 Hz, with a statutory limit of 0.5 Hz...
32
ESO
|
National Grid ESO | 2021-10-11 |
Monthly Balancing Services Use of System (BSUoS) Forecast Data OpenThe Balancing Services Use of System (BSUoS) costs are reported on a monthly basis with a forecast for the next month and a rolling 24 month period. Here you can find the data for the 24 month ahead forecast....
76
ESO
|
National Grid ESO | 2021-10-11 |
Index Linked Contracted Energy Volume OpenIndex Linked Contract can be used by National Grid ESO to meet the [voltage requirement](https://www.nationalgrideso.com/transmission-constraint-management?market-information "voltage"). The contract is...
133
ESO
|
National Grid ESO | 2021-10-11 |
Balancing Services Charging Report (BCR) OpenThe Balancing Services Charging Report (BCR) provides a breakdown of the Balancing Services Use of System (BSUoS) charge. There is a BCR for each run type we calculate a BSUoS charge for - Interim Initial...
430
ESO
|
National Grid ESO | 2021-10-11 |
Daily Balancing Services Use of System (BSUoS) Forecast OpenThis file contains the Electricity System Operator's (ESO) half-hourly BSUoS forecast (Balancing Services Use of System charge). The estimated BSUoS charge is calculated by taking the forecast half-hourly...
3
ESO
|
National Grid ESO | 2021-10-11 |
Data Portal: Planned Changes & Known Issues OpenHere you will find details of upcoming changes to the ESO Data Portal along with any known issues that we are working to resolve. If you have encountered any issues not captured in this table please report...
1
ESO
|
National Grid ESO | 2021-10-11 |
System Operating Plan (SOP) OpenAs part of our daily planning processes within the ESO control room, the control room strategy team produces a System Operating Plan (SOP) at key demand peaks or troughs throughout the day, at what we call a...
8
ESO
|
National Grid ESO | 2021-10-11 |
Upcoming Trades OpenIn order to meet forecast Electricity System Operator (ESO) balancing requirements at minimum cost, ESO trades energy-related products. This dataset displays all upcoming electricity trades due to be delivered...
1
ESO
|
National Grid ESO | 2021-10-11 |
Day Ahead Demand Forecast OpenThis dataset contains national electricity demand forecast for day ahead as well as all historic day ahead demand forecasts. The forecast assist the industry to make efficient decisions in balancing their...
3
ESO
|
National Grid ESO | 2021-10-11 |
Historic Demand Data OpenThis section contains historic electricity demand, interconnector, hydro storage pumping, Non-BM Short Term Operating Reserve (STOR), wind and solar outturn data. The current year dataset is updated on a daily...
14
ESO
|
National Grid ESO | 2021-10-11 |
Daily Operational Planning Margin Requirement (OPMR) OpenWhen assessing and publishing generation availability information against system requirements, Electricity System Operator (ESO) includes an Operational Planning Margin Requirement (OPMR) above the demand...
1
ESO
|
National Grid ESO | 2021-10-11 |
Historic Generation Mix & Carbon Intensity OpenThis dataset contains data from the 1st of Jan 2009. It has seasonal decomposition applied to correct missing or irregular data points. The carbon intensity of electricity is a measure of how much Carbon...
1
CC-BY-4.0
|
National Grid ESO | 2021-10-11 |
Monthly Operational Metered Wind Output OpenMetered Wind Output in MW for 'Scotland' and 'England and Wales'. Output is provided per date per Settlement Period. Please note that this data is from operational metering and is therefore expected to be...
4
ESO
|
National Grid ESO | 2021-10-11 |
Demand Data Update OpenThis publication is similar to "Historic Demand Data" dataset but updated on a daily basis with approximately ten days lag in receiving settlement data. In the dataset embedded forecast for the upcoming next 7...
2
ESO
|
National Grid ESO | 2021-10-11 |
Non-BM Ancillary Service Dispatch Platform (ASDP) Instructions OpenThe Electricity System Operator (ESO) publishes Non-BM Instruction data from its Ancillary Services Dispatch (ASDP) System. This is published near real time publishing data from ASDP every 30 seconds. A new...
16
ESO
|
National Grid ESO | 2021-10-11 |
2-14 Days Ahead Demand Forecast OpenThis dataset contains national electricity demand forecasts for 2-14 days ahead (medium term) as well as all historic 2-14 days ahead forecasts. These forecasts assist the industry to make efficient decisions...
2
ESO
|
National Grid ESO | 2021-10-11 |
Carbon Intensity of Balancing Actions OpenThe carbon intensity of balancing actions measures the difference between the carbon intensity of the combined Final Physical Notice (FPN) of machines in the Balancing Mechanism (BM) and the equivalent profile...
2
ESO
|
National Grid ESO | 2021-10-11 |
Weekly Wind Availability OpenThis publication displays the Electricity System Operator’s (ESO) wind generator availability in megawatt (MW) at a generator level at a weekly resolution for 2-52 weeks ahead. ...
1
License not specified
|
National Grid ESO | 2021-10-11 |
Embedded Register OpenA list of connected or contracted to connect embedded generation projects in Scotland. ...
1
ESO
|
National Grid ESO | 2021-10-11 |
Disaggregated Balancing Services Adjustment Data (BSAD) OpenBalancing Services Adjustment Data (BSAD) is used to submit balancing actions to the Balancing & Settlement Code (BSC), which defines the rules and governance for the balancing mechanism and imbalance...
9
ESO
|
National Grid ESO | 2021-10-11 |
Daily Wind Availability OpenThis publication displays the Electricity System Operator’s (ESO) wind generator availability in megawatts (MW) at a daily resolution for 2-14 days ahead. ...
1
License not specified
|
National Grid ESO | 2021-10-11 |
Phase 2: FFR Auction Results Summary OpenAs part of our work on developing our balancing services we are running a weekly trial auction for Firm Frequency Response. The weekly auction trial results and order hash data are available here.
20
ESO
|
National Grid ESO | 2021-10-11 |
Aggregated Balancing Services Adjustment Data (BSAD) OpenBalancing Services Adjustment Data (BSAD) is used to submit balancing actions to the Balancing & Settlement Code (BSC), which defines the rules and governance for the balancing mechanism and imbalance...
8
ESO
|
National Grid ESO | 2021-10-11 |
Daily & Weekly NRAPM (Negative Reserve Active Power Margin) Forecast OpenThis dataset contains NRAPM (Negative Reserve Active Power Margin) forecast for Daily 2-14 days ahead and Weekly for 2-52 weeks ahead for both National and Scotland. The purpose of the NRAPM forecast is to...
4
ESO
|
National Grid ESO | 2021-10-11 |
Monthly Balancing Services Use of System (BSUoS) Forecast Reports OpenThe Balancing Services Use of System (BSUoS) costs are reported on a monthly basis with a forecast for the next month and a rolling 24 month period. Here you can find the report created each month which...
46
ESO
|
National Grid ESO | 2021-10-11 |
Super Stable Export Limit Contract Enactment OpenSuper Stable Export Limit (SEL) is utilised to directly decrease the sum of the minimum MW level or SEL of generators synchronized to the system by lowering the minimum generating level at a generator...
2
ESO
|
National Grid ESO | 2021-10-11 |
Firm Frequency Response (FFR) Market Information OpenFirm Frequency Response (FFR) market information reports on the FFR requirement for two months ahead of the publishing month, as well as information on the contracts due to provide in the month following the...
64
ESO
|
National Grid ESO | 2021-10-11 |
Daily Balancing Services Use of System (BSUoS) Cost Report OpenThe BSUoS charge recovers the cost of day-to-day operation of the transmission system. Generators and suppliers are liable for these charges, which are calculated daily as a flat tariff for all users....
50
ESO
|
National Grid ESO | 2021-10-11 |
Daily Balancing Services Use Of System (BSUoS) Historic & Forecast Costs OpenThe data set shows the daily costs outturn per category associated with balancing the system for the year to date, and the daily forecast costs for the following financial year. In the dataset the category...
3
ESO
|
National Grid ESO | 2021-10-11 |
14 Days Ahead Wind Forecasts OpenThis dataset provides incremental updates for 0-14 days ahead wind forecasts at half hourly level. The forecast assist the industry to make efficient decisions in balancing their supply and demand positions....
1
ESO
|
National Grid ESO | 2021-10-11 |
7 Day Ahead Demand Forecast OpenThis dataset contains national electricity demand forecast for 7 days ahead as well as all historic 7 day ahead demand forecasts. The forecast assist the industry to make efficient decisions in balancing their...
3
ESO
|
National Grid ESO | 2021-10-11 |
Firm Frequency Response (FFR) Post Tender Reports OpenThe Firm Frequency Response (FFR) post tender reports are published following each monthly tender. They indicate which tenders were accepted and rejected and the information submitted for these tenders. Reason...
39
ESO
|
National Grid ESO | 2021-10-05 |
Long Term (2-52 weeks ahead) National Demand Forecast OpenThis dataset contains incremental updates for 2-52 weeks ahead demand forecast. The forecast assist the industry to make efficient decisions in balancing their supply and demand positions. ...
1
ESO
|
National Grid ESO | 2021-07-20 |
Transmission Losses OpenThere are a number of factors which influence transmission losses. These include variations in zonal generation patterns, growth in northern vs southern generation, level of Scottish exports to England and...
2
ESO
|
National Grid ESO | 2021-07-20 |
Year Ahead Constraint Limits OpenThis dataset contains a year ahead Mega Watt constraint limits for the main boundaries on the transmission system.
1
ESO
|
National Grid ESO | 2021-07-20 |
Platform For Energy Forecasting (PEF) Strategic Project Roadmap OpenIn April 2018, the ESO initiated strategic transformation project to develop and implement state of art forecasting capability to deliver value to consumers by providing accurate possible, user-friendly...
1
ESO
|
National Grid ESO | 2021-07-20 |
Firm Fast Reserve Post Tender Reports OpenFast Reserve provides the rapid and reliable delivery of active power through an increased output from generation or a reduction in consumption from demand sources, following receipt of an electronic dispatch...
13
ESO
|
National Grid ESO | 2021-07-20 |
Regional breakdown of FES data (Electricity) OpenLong term electricity forecasts per region covering demand, demand side response and distributed generation based on our Future Energy Scenarios. Regions presented are Grid Supply Points (GSPs) and large sites...
7
ESO
|
National Grid ESO | 2021-07-20 |
Short Term Operating Reserve (STOR) Post Tender Reports OpenIf demand ends up being greater than forecast, or there is unforeseen generation unavailability, extra sources of power may be needed to manage the system. One form of reserve that is used to manage this is...
8
ESO
|
National Grid ESO | 2021-07-20 |
Optional Downward Flexibility Management (ODFM) Service Documents OpenIn our role as Electricity System Operator (ESO), we balance generation and demand in real time. When demand is low, there may be a requirement for additional flexibility to balance generation and demand, as...
21
ESO
|
National Grid ESO | 2021-07-20 |
Fast Reserve Market Information OpenFast Reserve provides the rapid and reliable delivery of active power through an increased output from generation or a reduction in consumption from demand sources, following receipt of an electronic dispatch...
36
ESO
|
National Grid ESO | 2021-07-20 |
Data Publication Requests OpenHere you can find details on data items that have been requested as additions to the ESO data portal, along with any responses from the ESO as appropriate. We welcome any further suggestions or questions...
2
License not specified
|
National Grid ESO | 2021-07-20 |
System Excursions OpenThe National Grid Electricity System Operator (ESO) publishes an annual report on the performance of the National Electricity Transmission System (NETS) in Great Britain and fulfils Transmission Licence...
2
ESO
|
National Grid ESO | 2021-07-20 |
Future Energy Scenario – Electricity Supply Data Table (ES1) OpenThe Future Energy Scenarios (FES) represent a range of different, credible ways to decarbonise our energy system as we strive towards the 2050 target. One of the FES outputs is an agreed set of...
2
ESO
|
National Grid ESO | 2021-07-20 |
Coronavirus Demand Suppression OpenData showing the demand suppression attributed to the Coronavirus Pandemic. Demand suppression is calculated by taking the National Demand + Embedded Generation outturns and comparing this with the modelled... |
National Grid ESO | 2021-07-20 |
Future Energy Scenario (FES) Building Block Data OpenWe have been working with the other network companies as part of the Energy Networks Association (ENA) Open Networks project. The Whole System Electricity Future Energy Scenarios (FES) part of this work seeks...
4
ESO
|
National Grid ESO | 2021-07-20 |
Short Term Operating Reserve (STOR) Market Information OpenIf demand ends up being greater than forecast, or there is unforeseen generation unavailability, extra sources of power may be needed to manage the system. One form of reserve that is used to manage this is...
16
ESO
|
National Grid ESO | 2021-07-20 |
GIS Boundaries for GB Grid Supply Points OpenThis dataset contains approximate GIS (geographic information system) geospatial boundaries associated with each of the Grid Supply Points (GSPs) on the transmission network. The boundaries have been derived...
3
Other (Public Domain)
|
National Grid ESO | 2021-07-20 |
Daily Balancing Services Use of System (BSUoS) Volume Data OpenThe BSUoS charge recovers the cost of day-to-day operation of the transmission system. Generators and suppliers are liable for these charges, which are calculated daily as a flat tariff for all users....
5
ESO
|
National Grid ESO | 2021-07-20 |
Optional Downward Flexibility Management (ODFM) Market Information OpenIn our role as Electricity System Operator (ESO), we balance generation and demand in real time. When demand is low, there may be a requirement for additional flexibility to balance generation and demand, as...
13
ESO
|
National Grid ESO | 2021-07-20 |
Balancing Services Contract Enactment OpenNational Grid ESO procures [balancing service contracts](https://www.nationalgrideso.com/balancing-services/list-all-balancing-services) to balance demand and supply and to ensure the security and quality of...
4
ESO
|
National Grid ESO | 2021-07-20 |
GIS Boundaries for GB DNO License Areas OpenThis dataset contains approximate GIS (geographic information system) geospatial boundaries for each of the DNO License Areas in Great Britain. There are 14 licensed Distribution Network Operators (DNOs) in...
3
Other (Public Domain)
|
National Grid ESO | 2021-07-20 |
Weekly Operational Planning Margin Requirement (OPMR) OpenWhen assessing and publishing generation availability information against system requirements, Electricity System Operator (ESO) includes an Operational Planning Margin Requirement (OPMR) above demand forecast...
1
ESO
|
National Grid ESO | 2021-07-20 |