National Grid ESO
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.
Available Datasets
| Title | Format(s) | Updated |
|---|---|---|
Interconnector Requirement and Auction Summary DataNational 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... 1 ESO Auction Bid Bidding Britned Gtma Ic Ifa Ifa2 Interconnector Nemo Powerbi Requirement Sch7a Schedule 7a Subscribable Trades Trading |
CSV | 2023-02-15 |
Day Ahead Wind ForecastThe 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 positions. 2 ESO Day-ahead Demand Forecast Metered National Subscribable Wind |
CSV | 2023-02-15 |
Short Term Operating Reserve (STOR) Day Ahead Auction ResultsAs part of Clean Energy Package (CEP) 6.9 we will be running daily auction for procurement of Short Term Operating Reserve (STOR). The daily results from the auction are available here. 1 ESO Cep 6.9 Day Ahead Day Ahead Results Powerbi Results Stor Subscribable |
CSV | 2023-02-15 |
National Carbon Intensity ForecastThis 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 consumed. 1 CC-BY-4.0 |
CSV | 2023-02-15 |
Country Carbon Intensity ForecastThis 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 consumed. 1 CC-BY-4.0 |
CSV | 2023-02-15 |
Current Balancing Services Use of System (BSUoS) ChargesThere 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.... 7 ESO |
CSV XLSX | 2023-02-15 |
Day Ahead Constraint Flows and LimitsA 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 Constraint Day-ahead Diagrams Flow Forecast Limit Network Subscribable |
CSV PDF | 2023-02-15 |
Transmission Entry Capacity (TEC) RegisterA 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 |
CSV | 2023-02-15 |
Balancing Services Adjustment Data (BSAD) Forward ContractsBalancing 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... 7 ESO Adjustment Ancillary Balancing Bsad Cost Service Subscribable |
CSV | 2023-02-15 |
Dynamic Containment 4 Day ForecastThe dataset contains forecasts of our Dynamic Containment Low and High requirements for the next 4-days. The methodology uses forecasted demand, inertia, and response volumes as well as a view of the largest... 2 ESO Dc Dch Dcl Dynamic Containment Forecast Response Subscribable |
CSV | 2023-02-15 |
Regional Carbon Intensity ForecastThis 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 consumed. 1 CC-BY-4.0 |
CSV | 2023-02-15 |
Balancing Services Charging Report (BCR)The 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... 745 ESO |
ZIP | 2023-02-15 |
Dynamic Containment, Regulation and Moderation Auction ResultsFrom the 15th September 2021, the auction is run via the EPEX platform. The below files - DC, DR & DM Block Orders Master Data, DC, DR & DM Results by Unit Master Data , DC, DR & DM Results Summary Master Data... 5 ESO |
CSV | 2023-02-15 |
Daily Balancing Services Use of System (BSUoS) ForecastThis 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... 5 ESO |
CSV | 2023-02-15 |
Interconnector RegisterA list of interconnector projects that hold connection contracts with NGESO. These include active interconnectors and future interconnector projects. **Note**: The Mega Watt (MW) Total MW Import figures... 1 ESO |
CSV | 2023-02-15 |
System Operating Plan (SOP)As 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 |
CSV PDF ZIP | 2023-02-15 |
Upcoming TradesIn 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 |
CSV | 2023-02-15 |
Embedded Wind and Solar ForecastsElectricity 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 Embedded Forecast Generation Powerbi Solar Subscribable Wind |
CSV DOC | 2023-02-15 |
Day Ahead Demand ForecastThis 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 |
CSV PNG | 2023-02-15 |
System InertiaThis dataset contains an estimate of the outturn inertia and market provided inertia for Great Britain Transmission System. 6 ESO |
CSV | 2023-02-15 |
Historic Demand DataThis section contains historic electricity demand, interconnector, hydro storage pumping, Non-BM Short Term Operating Reserve (STOR), wind and solar outturn data. >**Note**: We are currently investigating the... 16 ESO Demand Historic Interconnectors Outturn Solar Subscribable Wind |
CSV DOC | 2023-02-15 |
Historic GTMA (Grid Trade Master Agreement) Trades DataThis 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... 9 ESO Agreement Data Grid Gtma Historic Master Sch7a Schedule 7a Subscribable Trade Trades Trading |
CSV | 2023-02-15 |
Daily Operational Planning Margin Requirement (OPMR)When 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 Daily Forecast Generation Margin Opmr Powerbi Reserve Subscribable |
CSV | 2023-02-15 |
Historic Generation Mix & Carbon IntensityThis 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 |
CSV | 2023-02-15 |
2 Day Ahead Demand ForecastThis 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 |
CSV PNG | 2023-02-15 |
Demand Data UpdateThis 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 Embedded Forecast Historic Interconnectors National Demand Solar Subscribable Total System Demand Tsd Wind |
CSV DOC | 2023-02-15 |
Aggregated Balancing Services Adjustment Data (BSAD)Balancing 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 Adjustment Ancillary Balancing Bsad Cost Service Subscribable |
CSV | 2023-02-15 |
Non-BM Ancillary Service Dispatch Platform (ASDP) InstructionsThe 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... 32 ESO Ancillary Dispatch Instrictions Non-bm Platform Service Subscribable |
CSV | 2023-02-15 |
Daily & Weekly NRAPM (Negative Reserve Active Power Margin) ForecastThis 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 |
CSV | 2023-02-15 |
2-14 Days Ahead Demand ForecastThis 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... 3 ESO |
CSV | 2023-02-15 |
Carbon Intensity of Balancing ActionsThe 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 |
CSV PDF | 2023-02-15 |
Super Stable Export Limit Contract EnactmentSuper 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... 3 ESO Contract Cost Downward Regulation Energy Generation Reserve Subscribable Super Sel Synchronisation |
CSV | 2023-02-15 |
System Inertia CostThis data set gives indicative values for the average daily price (in £ per GVAs) for BM accepted offers tagged as being for System Inertia. The tagging process identifies the most likely main reason for a... 6 ESO |
CSV | 2023-02-15 |
Weekly Wind AvailabilityThis 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 Other (Public Domain) |
CSV | 2023-02-15 |
Embedded RegisterA list of connected or contracted to connect embedded generation projects in Scotland. 1 ESO |
CSV | 2023-02-15 |
Disaggregated Balancing Services Adjustment Data (BSAD)Balancing 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... 10 ESO Adjustment Ancillary Balancing Bsad Cost Service Subscribable |
CSV | 2023-02-15 |
Daily Wind AvailabilityThis publication displays the Electricity System Operator’s (ESO) wind generator availability in megawatts (MW) at a daily resolution for 2-14 days ahead. 1 Other (Public Domain) |
CSV | 2023-02-15 |
14 Days Ahead Wind ForecastsThis 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 |
CSV | 2023-02-15 |
7 Day Ahead Demand ForecastThis 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 |
CSV PNG | 2023-02-15 |
NemoLink - NGESO's Network Transfer CapacityThese are the values System Operators use to restrict the maximum import and export Interconnector flows. These values are submitted in MW per GMT hourly time period. >**NOTE:** Values will only be published... 70 ESO Nemo Link Net Transfer Capacity Network Transfer Capacity Ntc Subscribable |
CSV | 2023-02-15 |
Balancing Services Contract EnactmentNational 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... 5 ESO Balancing Services Constraint Contract Enactment Fixed Price Power Reactive Subscribable Voltage |
CSV | 2023-02-15 |
Short Term Operating Reserve (STOR) Day Ahead Buy CurveAs part of Clean Energy Package (CEP) 6.9 we will be running daily auction for procurement of Short Term Operating Reserve (STOR). The Buy Curve used in the daily assessment process is available here. 2 ESO |
CSV TXT | 2023-02-15 |
Weekly Operational Planning Margin Requirement (OPMR)When 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 |
CSV | 2023-02-15 |
North Sea Link - NGESO's Network Transfer CapacityThese are the values System Operators use to restrict the maximum import and export Interconnector flows. These values are submitted in MW per GMT hourly time period. >**NOTE:** Values will only be published... 121 ESO Net Transfer Capacity Network Transfer Capacity North Sea Link Nsl Ntc Subscribable |
CSV | 2023-02-14 |
Demand Flexibility Service: Test EventsThe Demand Flexibility Service (DFS) has been developed to allow the ESO to access additional flexibility when the national demand is at its highest – during peak winter days – which is not currently... 4 ESO |
CSV | 2023-02-14 |
Dynamic Moderation RequirementsThis dataset will contain our forecasted requirements for Dynamic Moderation. For an initial period, we will validate the performance of the products on the live system during which time the volume we can... 1 ESO |
CSV | 2023-02-12 |
Dynamic Regulation RequirementsThis dataset will contain our forecasted requirements for Dynamic Regulation. For an initial period, we will validate the performance of the products on the live system during which time the volume we can... 1 ESO |
CSV | 2023-02-12 |
Week Ahead Overnight Voltage RequirementThe 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 Constraint Group Last Updated Management Note Subscribable Units Voltage |
CSV PDF | 2023-02-11 |
Dispatch TransparencyThis 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 Balancing Bm Boa Dispatch Dispatch Transparency Mechanism Operational Subscribable Transparency |
CSV PDF PNG | 2023-02-11 |
Constraint Breakdown Costs and VolumeThe 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... 6 ESO Contstraints Costs Daily Inertia Rocof Subscribable Thermal Voltage Volumes |
CSV | 2023-02-10 |
Monthly Balancing Services Summary (MBSS)The 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... 103 ESO Ancillary Balancing Constraints Mbss Monthly Reserve Services Stor Subscribable Trades |
CSV PDF XLSX | 2023-02-10 |
GIS Boundaries for GB Generation Charging ZonesThis dataset contains approximate GIS (geographic information system) geospatial boundaries for each of the TNUoS generation zones in Great Britain. There are 27 TNUoS generation zones, and each is associated... 2 Other (Public Domain) |
GEOJSON ZIP | 2023-02-10 |
Thermal Constraint CostsThermal 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 Constraints Costs Diagrams Network Outturn Subscribable Thermal |
CSV PNG XLSX | 2023-02-10 |
Long Term (2-52 weeks ahead) National Demand ForecastThis 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 2-52 Cardinal Demand Forecast Long Term National Point Subscribable Weeks Ahead |
CSV | 2023-02-10 |
Transmission LossesThere 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 |
CSV | 2023-02-10 |
Transmission Network Use of System (TNUoS) TariffsThis 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... 7 ESO Charging Demand Demand Residual Banded Charges Embedded Export Generator Revenue Subscribable Tarifs Tnuos |
CSV | 2023-02-10 |
24 Months Ahead Constraint LimitsThis dataset contains Mega Watt constraint limits for the main boundaries on the transmission system on weekly bases for 24 months ahead. 3 ESO |
CSV PDF | 2023-02-10 |
Daily Balancing Services Use of System (BSUoS) Cost DataThe 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.... 6 ESO Balancing Bsuos Cost Daily Historical Balancing Subscribable |
CSV | 2023-02-10 |
Year Ahead Constraint LimitsThis dataset contains a year ahead Mega Watt constraint limits for the main boundaries on the transmission system. >**NOTE:** This dataset has now been replaced by the "24 Months Ahead Constraint Limits"... 1 ESO B6 Constraint Constraints Limit Limits Scotex Sharn3 Subscribable |
CSV | 2023-02-10 |
System FrequencyThis 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... 49 ESO |
CSV | 2023-02-10 |
Interconnector Trading Procurement FrameworkDocumentation relating to interconnector trading, including the procurement framework and supporting materials. Watch the video below: >**NOTE:** Interconnector Requirement and Auction Summary Data 9 ESO |
2023-02-10 | |
Monthly Balancing Services Use of System (BSUoS) Forecast DataThe 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.... 100 ESO |
CSV PDF XLSX | 2023-02-10 |
Local Authority Level Spatial Heat Model Outputs (FES)This dataset represents the regional results from the Spatial Heat model used as part of the Future Energy Scenarios. The 2021 data was generated to support a thought piece to explore the findings from our new... 11 ESO |
CSV | 2023-02-10 |
Index Linked Contracted Energy VolumeIndex 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... 136 ESO Balancing Balancing Services Constraint Contract Contract Enactment Fixed Index Index-linked Linked Price Reactive Spread Subscribable Trading Voltage Volume |
CSV Unknown | 2023-02-10 |
ESO Operational Transparency Forum>**NOTE:** The ESO operational transparency forum has a new website page, please visit the ESO website for up to date information. All historic data has been transitioned over to the new platform and in turn... 265 ESO |
CSV MP4 PDF Unknown VIDEO XLSX | 2023-02-10 |
Platform For Energy Forecasting (PEF) Strategic Project RoadmapIn 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 |
2023-02-10 | |
IFA - NGESO's Intraday Transfer LimitThese are the values System Operators use to restrict the maximum import and export Interconnector flows. These values are submitted in MW per GMT hourly time period. >**NOTE:** Values will only be published... 17 ESO Ifa Intraday Trading Limit Intraday Transfer Limit Itl Net Transfer Capacity Network Transfer Capacity Subscribable |
CSV | 2023-02-10 |
Firm Fast Reserve Post Tender ReportsFast 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 Ancillary Balancing Fast Firm Reserve Service Subscribable Tender |
Unknown | 2023-02-10 |
Data Portal: Planned Changes & Known IssuesHere 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 |
CSV | 2023-02-10 |
Regional breakdown of FES data (Electricity)Long 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... 14 ESO Active Defs Demand Distribution Electric Energy Future Heat Maps Peak Power Pumps Regional Response Scenarios Storage Subscribable Vehicles |
CSV | 2023-02-10 |
Voltage System CostsTo 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... 10 ESO |
CSV PDF | 2023-02-10 |
Short Term Operating Reserve (STOR) Post Tender ReportsIf 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 Ancillary Balancing Information Market Report Reserve Service Stor Subscribable Tender |
XLSX | 2023-02-10 |
IFA2 - NGESO's Intraday Transfer LimitThese are the values System Operators use to restrict the maximum import and export Interconnector flows. These values are submitted in MW per GMT hourly time period. >**NOTE:** Values will only be published... 17 ESO Ifa2 Intraday Trading Limit Intraday Transfer Limit Itl Net Transfer Capacity Network Transfer Capacity Ntc Subscribable |
CSV | 2023-02-10 |
Optional Downward Flexibility Management (ODFM) Service DocumentsIn 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 Ancillary Balancing Downward Flexibility Guidance Odfm Subscribable |
DOC M4V PDF XLSX | 2023-02-10 |
Monthly Operational Metered Wind OutputMetered 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... 5 ESO |
CSV | 2023-02-10 |
Obligatory Reactive Power Service (ORPS)The 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 Ancillary Balancing Obligatory Orps Power Reactive Service Subscribable Utilisation |
CSV PDF XLSX | 2023-02-10 |
Fast Reserve Market InformationFast 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 Ancillary Balancing Fast Firm Information Market Reserve Service Subscribable |
PDF XLSX | 2023-02-10 |
Monthly Balancing Services Use of System (BSUoS) Forecast ReportsThe 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... 81 ESO |
2023-02-10 | |
System ExcursionsThe 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 |
CSV | 2023-02-10 |
Future Energy Scenarios – Electricity Supply Data Table (ES1)The 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 data tables... 3 ESO Electricity Energy Es1 Fes Future Scenario Subscribable Supply Table |
CSV | 2023-02-10 |
Day Ahead Half Hourly Demand Forecast PerformanceThe historic half hourly day ahead national demand forecast as published via BM reports, alongside the outturn values, adjustments for TRIAD avoidance estimates and Absolute Percentage Error (APE) for each... 1 ESO |
CSV | 2023-02-10 |
24 Months Ahead Constraint Cost ForecastThis dataset contains the 24-month ahead constraint costs on a monthly basis for the main boundaries on the transmission system. These costs are the costs of managing constraint boundaries (for thermal,... 1 ESO |
CSV | 2023-02-10 |
Firm Frequency Response (FFR) Market InformationFirm 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... 87 ESO Balancing Contract Ffr Firm Frequency Market Response Service Subscribable Tender |
CSV PDF XLSX | 2023-02-10 |
Daily Balancing Services Use of System (BSUoS) Cost ReportThe 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.... 40 ESO |
2023-02-10 | |
ElecLink - NGESO's Network Transfer CapacityThese are the values System Operators use to restrict the maximum import and export Interconnector flows. These values are submitted in MW per GMT hourly time period. >**NOTE:** Values will only be published... 16 ESO Itl Net Transfer Capacity Network Transfer Capacity Ntc Subscribable |
CSV | 2023-02-10 |
Daily Balancing Services Use Of System (BSUoS) Historic & Forecast CostsThe 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... 5 ESO Balancing Bsuos Cost Daily Forecast Historic Outturn Subscribable |
CSV | 2023-02-10 |
Demand Flexibility Service: Live EventsThe Demand Flexibility Service (DFS) has been developed to allow the ESO to access additional flexibility when the national demand is at its highest – during peak winter days – which is not currently... 4 ESO |
CSV | 2023-02-10 |
Future Energy Scenario (FES) Building Block DataWe 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... 6 ESO Bulding Blocks Capacity Defs Demand Energy Fes Fes2020 Fes2021 Future Generation Scenarios Subscribable |
CSV | 2023-02-10 |
Phase 2: FFR Auction Results SummaryAs 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. Note: The 2... 20 ESO Auction Balancing Balancing Services Dlh Ffr Lfs Response Subscribable Trial |
CSV ZIP | 2023-02-10 |
Short Term Operating Reserve (STOR) Market InformationIf 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 Ancillary Balancing Information Market Report Reserve Service Stor Subscribable Tender |
PDF XLSX | 2023-02-10 |
GIS Boundaries for GB Grid Supply PointsThis dataset contains approximate GIS (Geographic Information System) geospatial boundaries associated with each of the Grid Supply Points (GSPs) on the GB transmission network. The boundaries have been... 5 Other (Public Domain) Boundaries Demand Embedded Generation Gis Grid Supply Point Gsp Regional Shape File Subscribable |
CSV GEOJSON ZIP | 2023-02-10 |
Daily Balancing Services Use of System (BSUoS) Volume DataThe 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.... 6 ESO |
CSV | 2023-02-10 |
Optional Downward Flexibility Management (ODFM) Market InformationIn 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 Ancillary Balancing Downward Flexibility Market Information Odfm Subscribable |
CSV PDF | 2023-02-10 |
Great Britain System Inertia Bid and Offer CostsThis dataset provides indicative values for the average daily price (in £ per GVAs) for BM accepted offers tagged as being for System Inertia. It also includes the cost of bid actions required to offer on... 1 ESO |
CSV | 2023-02-10 |
BritNed - NGESO's Intraday Trading LimitThese are the values System Operators use to restrict the maximum import and export Interconnector flows. These values are submitted in MW per GMT hourly time period. >**NOTE:** Values will only be published... 17 ESO Britned Intraday Trading Limit Intraday Transfer Limit Itl Net Transfer Capacity Network Transfer Capacity Ntc Subscribable |
CSV | 2023-02-10 |
Firm Frequency Response (FFR) Post Tender ReportsThe 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... 71 ESO Balancing Contract Ffr Firm Frequency Response Service Subscribable Tender |
CSV Unknown XLSM XLSX | 2023-02-10 |
GIS Boundaries for GB DNO License AreasThis 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) Boundaries Demand Dno Generation Gis Grid Supply Point Gsp Gsp Group License Area Pes Public Electricity Supplier Regional Shapefile Subscribable |
GEOJSON PDF ZIP | 2023-02-10 |
Data Publication RequestsPlease visit our ENCC Transparency Roadmap which highlights the activities we will deliver in the short to medium term. We welcome any further suggestions or questions regarding future data items or portal... ESO |
2022-07-07 | |
Live System InformationThis page contains live system data for transmission demand, frequency and transfers. This dataset does not currently include any files to download, all information is presented on this page. Use the links... 1 ESO |
Unknown | 2021-07-20 |
Coronavirus Demand SuppressionData 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... 3 ESO |
CSV PNG | 2021-07-20 |
Share This Organization
