Title Owner Updated

Day Ahead Wind Forecast Open

The 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
Tags: Day-ahead Demand Forecast Metered National Subscribable Wind
CSV

National Grid ESO 2021-10-11

National Carbon Intensity Forecast Open

This 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
Tags: Carbon Co2 Forecast Intensity National Subscribable
CSV

National Grid ESO 2021-10-11

Transmission Network Use of System (TNUoS) Tariffs Open

This 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
Tags: Charging Demand Embedded Export Generator Revenue Subscribable Tarifs Tnuos
CSV

National Grid ESO 2021-10-11

Current Balancing Services Use of System (BSUoS) Charges Open

There 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
Tags: Balancing Bsuos Charging Services Subscribable
CSV

National Grid ESO 2021-10-11

Interconnector Requirement and Auction Summary Data Open

National 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
Tags: Auction Bid Bidding Britned Gtma Ic Ifa Ifa2 Interconnector Nemo Requirement Sch7a Schedule 7a Subscribable Trades Trading
CSV

National Grid ESO 2021-10-11

Constraint Breakdown Costs and Volume Open

The 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
Tags: Contstraints Costs Daily Inertia Rocof Subscribable Thermal Voltage Volumes
CSV

National Grid ESO 2021-10-11

Monthly Balancing Services Summary (MBSS) Open

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...

71 ESO
Tags: Ancillary Balancing Constraints Mbss Monthly Reserve Services Stor Subscribable Trades
CSV PDF XLSX

National Grid ESO 2021-10-11

Thermal Constraint Costs Open

Thermal 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
Tags: Constraints Costs Diagrams Network Outturn Subscribable Thermal
CSV PNG XLSX

National Grid ESO 2021-10-11

Country Carbon Intensity Forecast Open

This 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
Tags: Carbon Co2 Country Forecast Intensity Subscribable
CSV

National Grid ESO 2021-10-11

Daily Balancing Services Use of System (BSUoS) Cost Data Open

The 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
Tags: Balancing Bsuos Cost Daily Historical Balancing Subscribable
CSV

National Grid ESO 2021-10-11

Transmission Entry Capacity (TEC) Register Open

A 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
Tags: Connection Register Subscribable Tec
CSV

National Grid ESO 2021-10-11

Balancing Services Adjustment Data (BSAD) Forward Contracts Open

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...

6 ESO
Tags: Adjustment Ancillary Balancing Bsad Cost Service Subscribable
CSV

National Grid ESO 2021-10-11

Regional Carbon Intensity Forecast Open

This 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
Tags: Carbon Co2 Forecast Intensity Regional Subscribable
CSV

National Grid ESO 2021-10-11

ESO Operational Transparency Forum Open

The 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
Tags: Covid-19 Preparedness Subscribable Webinar
MP4 PDF Unknown VIDEO XLSX

National Grid ESO 2021-10-11

Dynamic Containment Data Open

From 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
Tags: Ahead Containment Data Day Dynamic Subscribable
CSV

National Grid ESO 2021-10-11

Interconnector Register Open

A list of interconnector projects that hold connection contracts with NGESO. These include active interconnectors and future interconnector projects. ...

1 ESO
Tags: Connection Interconnector Register Subscribable
CSV

National Grid ESO 2021-10-11

Week Ahead Overnight Voltage Requirement Open

The 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
Tags: Constraint Group Last Updated Management Note Subscribable Units Voltage
CSV PDF

National Grid ESO 2021-10-11

Dispatch Transparency Open

This 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
Tags: Balancing Bm Boa Dispatch Dispatch Transparency Mechanism Operational Subscribable Transparency
CSV PDF PNG

National Grid ESO 2021-10-11

Embedded Wind and Solar Forecasts Open

Electricity 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
Tags: Embedded Forecast Generation Solar Subscribable Wind
CSV DOC

National Grid ESO 2021-10-11

System Inertia Open

This dataset contains an estimate of the outturn inertia and market provided inertia for Great Britain Transmission System.

5 ESO
Tags: Inertia Subscribable System Transmission
CSV

National Grid ESO 2021-10-11

Historic GTMA (Grid Trade Master Agreement) Trades Data Open

This 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
Tags: Agreement Data Grid Gtma Historic Master Sch7a Schedule 7a Subscribable Trade Trades Trading
CSV

National Grid ESO 2021-10-11

Voltage System Costs Open

To 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
Tags: Cost Diagram Network Subscribable System Voltage
CSV PDF

National Grid ESO 2021-10-11

2 Day Ahead Demand Forecast Open

This 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
Tags: 2 Day Ahead Demand Forecast National Subscribable
CSV PNG

National Grid ESO 2021-10-11

Obligatory Reactive Power Service (ORPS) Open

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
Tags: Ancillary Balancing Obligatory Orps Power Reactive Service Subscribable Utilisation
CSV PDF XLSX

National Grid ESO 2021-10-11

Day Ahead Constraint Flows and Limits Open

A 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
Tags: Constraint Day-ahead Diagrams Flow Forecast Limit Network Subscribable
CSV PDF

National Grid ESO 2021-10-11

System Frequency Open

This 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
Tags: Frequency Historic Subscribable System
CSV

National Grid ESO 2021-10-11

Monthly Balancing Services Use of System (BSUoS) Forecast Data Open

The 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
Tags: Balancing Bsuos Cost Forecast Monthly Subscribable
CSV XLSX

National Grid ESO 2021-10-11

Index Linked Contracted Energy Volume Open

Index 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
Tags: Balancing Balancing Services Constraint Contract Contract Enactment Fixed Index Index-linked Linked Price Reactive Spread Subscribable Trading Voltage Volume
CSV Unknown

National Grid ESO 2021-10-11

Balancing Services Charging Report (BCR) Open

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...

430 ESO
Tags: Balancing Bsuos Charging Report Services Subscribable
ZIP

National Grid ESO 2021-10-11

Daily Balancing Services Use of System (BSUoS) Forecast Open

This 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
Tags: Bsuos Daily Forecast Subscribable
CSV

National Grid ESO 2021-10-11

Data Portal: Planned Changes & Known Issues Open

Here 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
Tags: Changes Issues Planned Subscribable
CSV

National Grid ESO 2021-10-11

System Operating Plan (SOP) Open

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
Tags: Sop Subscribable System Operating Plan
CSV PDF ZIP

National Grid ESO 2021-10-11

Upcoming Trades Open

In 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
Tags: Balancing Energy Subscribable System Trades
CSV

National Grid ESO 2021-10-11

Day Ahead Demand Forecast Open

This 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
Tags: Day-ahead Demand Forecast National Subscribable
CSV PNG

National Grid ESO 2021-10-11

Historic Demand Data Open

This 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
Tags: Demand Historic Interconnectors Outturn Solar Subscribable Wind
CSV DOC

National Grid ESO 2021-10-11

Daily Operational Planning Margin Requirement (OPMR) Open

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
Tags: Daily Forecast Generation Margin Opmr Reserve Subscribable
CSV

National Grid ESO 2021-10-11

Historic Generation Mix & Carbon Intensity Open

This 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
Tags: Generation Historic Mix Subscribable
CSV

National Grid ESO 2021-10-11

Monthly Operational Metered Wind Output Open

Metered 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
Tags: England Monthly Output Scotland Subscribable Wind
CSV

National Grid ESO 2021-10-11

Demand Data Update Open

This 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
Tags: Embedded Forecast Historic Interconnectors National Demand Solar Subscribable Total System Demand Tsd Wind
CSV DOC

National Grid ESO 2021-10-11

Non-BM Ancillary Service Dispatch Platform (ASDP) Instructions Open

The 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
Tags: Ancillary Dispatch Instrictions Non-bm Platform Service Subscribable
CSV

National Grid ESO 2021-10-11

2-14 Days Ahead Demand Forecast Open

This 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
Tags: 2-14 Demand Forecast Medium National Subscribable Term
CSV

National Grid ESO 2021-10-11

Carbon Intensity of Balancing Actions Open

The 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
Tags: Actions Balancing Carbon Intensity Subscribable
CSV PDF

National Grid ESO 2021-10-11

Weekly Wind Availability Open

This 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
Tags: Availability Generator Subscribable Weekly Wind
CSV

National Grid ESO 2021-10-11

Embedded Register Open

A list of connected or contracted to connect embedded generation projects in Scotland. ...

1 ESO
Tags: Connection Embedded Register Subscribable
CSV

National Grid ESO 2021-10-11

Disaggregated Balancing Services Adjustment Data (BSAD) Open

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
Tags: Adjustment Ancillary Balancing Bsad Cost Service Subscribable
CSV

National Grid ESO 2021-10-11

Daily Wind Availability Open

This 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
Tags: Availability Daily Subscribable Wind
CSV

National Grid ESO 2021-10-11

Phase 2: FFR Auction Results Summary Open

As 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
Tags: Auction Balancing Balancing Services Dlh Ffr Lfs Response Subscribable Trial
CSV ZIP

National Grid ESO 2021-10-11

Aggregated Balancing Services Adjustment Data (BSAD) Open

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...

8 ESO
Tags: Adjustment Ancillary Balancing Bsad Cost Service Subscribable
CSV

National Grid ESO 2021-10-11

Daily & Weekly NRAPM (Negative Reserve Active Power Margin) Forecast Open

This 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
Tags: Daily Forecast Margin Nrapm Subscribable Weekly
CSV

National Grid ESO 2021-10-11

Monthly Balancing Services Use of System (BSUoS) Forecast Reports Open

The 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
Tags: Balancing Bsuos Cost Forecast Monthly Subscribable
PDF

National Grid ESO 2021-10-11

Super Stable Export Limit Contract Enactment Open

Super 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
Tags: Contract Cost Downward Regulation Energy Generation Reserve Subscribable Super Sel Synchronisation
CSV

National Grid ESO 2021-10-11

Firm Frequency Response (FFR) Market Information Open

Firm 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
Tags: Balancing Contract Ffr Firm Frequency Market Response Service Subscribable Tender
CSV PDF XLSX

National Grid ESO 2021-10-11

Daily Balancing Services Use of System (BSUoS) Cost Report Open

The 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
Tags: Balancing Bsuos Cost Daily Report Subscribable
PDF

National Grid ESO 2021-10-11

Daily Balancing Services Use Of System (BSUoS) Historic & Forecast Costs Open

The 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
Tags: Balancing Bsuos Cost Daily Forecast Historic Outturn Subscribable
CSV

National Grid ESO 2021-10-11

14 Days Ahead Wind Forecasts Open

This 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
Tags: Forecast Medium Subscribable Term Wind
CSV

National Grid ESO 2021-10-11

7 Day Ahead Demand Forecast Open

This 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
Tags: 7 Day Ahead Demand Forecast National Subscribable
CSV PNG

National Grid ESO 2021-10-11

Firm Frequency Response (FFR) Post Tender Reports Open

The 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
Tags: Balancing Contract Ffr Firm Frequency Response Service Subscribable Tender
CSV Unknown XLSX

National Grid ESO 2021-10-05

Long Term (2-52 weeks ahead) National Demand Forecast Open

This 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
Tags: 2-52 Cardinal Demand Forecast Long Term National Point Subscribable Weeks Ahead
CSV

National Grid ESO 2021-07-20

Transmission Losses Open

There 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
Tags: Losses Subscribable Transmission
CSV

National Grid ESO 2021-07-20

Year Ahead Constraint Limits Open

This dataset contains a year ahead Mega Watt constraint limits for the main boundaries on the transmission system.

1 ESO
Tags: B6 Constraint Constraints Limit Limits Scotex Sharn3 Subscribable
CSV

National Grid ESO 2021-07-20

Platform For Energy Forecasting (PEF) Strategic Project Roadmap Open

In 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
Tags: Demand Forecast Pef Roadmap Subscribable
PDF

National Grid ESO 2021-07-20

Firm Fast Reserve Post Tender Reports Open

Fast 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
Tags: Ancillary Balancing Fast Firm Reserve Service Subscribable Tender
Unknown

National Grid ESO 2021-07-20

Regional breakdown of FES data (Electricity) Open

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...

7 ESO
Tags: Active Defs Demand Distribution Electric Energy Future Heat Maps Peak Power Pumps Regional Response Scenarios Storage Subscribable Vehicles
CSV

National Grid ESO 2021-07-20

Short Term Operating Reserve (STOR) Post Tender Reports Open

If 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
Tags: Ancillary Balancing Information Market Report Reserve Service Stor Subscribable Tender
XLSX

National Grid ESO 2021-07-20

Optional Downward Flexibility Management (ODFM) Service Documents Open

In 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
Tags: Ancillary Balancing Downward Flexibility Guidance Odfm Subscribable
DOC M4V PDF XLSX

National Grid ESO 2021-07-20

Fast Reserve Market Information Open

Fast 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
Tags: Ancillary Balancing Fast Firm Information Market Reserve Service Subscribable
PDF XLSX

National Grid ESO 2021-07-20

Data Publication Requests Open

Here 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
Tags: Data Portal New Data Requests Subscribable
PDF

National Grid ESO 2021-07-20

System Excursions Open

The 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
Tags: Excursions Frequency Subscribable System Voltage
CSV

National Grid ESO 2021-07-20

Future Energy Scenario – Electricity Supply Data Table (ES1) Open

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...

2 ESO
Tags: Electricity Energy Es1 Fes Future Scenario Subscribable Supply Table
CSV

National Grid ESO 2021-07-20

Coronavirus Demand Suppression Open

Data 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
Tags: Coronavirus Demand Subscribable Surpression
CSV PNG

National Grid ESO 2021-07-20

Future Energy Scenario (FES) Building Block Data Open

We 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
Tags: Bulding Blocks Capacity Defs Demand Energy Fes Fes2020 Fes2021 Future Generation Scenarios Subscribable
CSV

National Grid ESO 2021-07-20

Short Term Operating Reserve (STOR) Market Information Open

If 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
Tags: Ancillary Balancing Information Market Report Reserve Service Stor Subscribable Tender
PDF XLSX

National Grid ESO 2021-07-20

GIS Boundaries for GB Grid Supply Points Open

This 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)
Tags: Boundaries Demand Embedded Generation Gis Grid Supply Point Gsp Regional Shape File Subscribable
CSV GEOJSON ZIP

National Grid ESO 2021-07-20

Daily Balancing Services Use of System (BSUoS) Volume Data Open

The 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
Tags: Balancing Bsuos Daily Subscribable Volume
CSV

National Grid ESO 2021-07-20

Optional Downward Flexibility Management (ODFM) Market Information Open

In 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
Tags: Ancillary Balancing Downward Flexibility Market Information Odfm Subscribable
CSV PDF

National Grid ESO 2021-07-20

Balancing Services Contract Enactment Open

National 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
Tags: Balancing Services Constraint Contract Enactment Fixed Price Power Reactive Subscribable Voltage
CSV

National Grid ESO 2021-07-20

GIS Boundaries for GB DNO License Areas Open

This 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)
Tags: Boundaries Demand Dno Generation Gis Grid Supply Point Gsp Gsp Group License Area Pes Public Electricity Supplier Regional Shapefile Subscribable
GEOJSON PDF ZIP

National Grid ESO 2021-07-20

Weekly Operational Planning Margin Requirement (OPMR) Open

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
Tags: Forecast Generation Margin Opmr Reserve Subscribable Weekly
CSV

National Grid ESO 2021-07-20