Title Owner Updated

Interconnector Requirement and Auction Summary Data

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 Powerbi Requirement Sch7a Schedule 7a Subscribable Trades Trading

CSV Open

National Grid ESO 2022-05-24

Day Ahead Wind Forecast

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 Open

National Grid ESO 2022-05-24

Short Term Operating Reserve (STOR) Day Ahead Auction Results

As 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

Tags: Cep 6.9 Day Ahead Day Ahead Results Powerbi Results Stor Subscribable

CSV Open

National Grid ESO 2022-05-24

National Carbon Intensity Forecast

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 Open

National Grid ESO 2022-05-24

Country Carbon Intensity Forecast

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 Open

National Grid ESO 2022-05-24

Current Balancing Services Use of System (BSUoS) Charges

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....

5 ESO

Tags: Balancing Bsuos Charging Services Subscribable

CSV XLSX Open

National Grid ESO 2022-05-24

Daily Balancing Services Use of System (BSUoS) Cost Data

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....

6 ESO

Tags: Balancing Bsuos Cost Daily Historical Balancing Subscribable

CSV Open

National Grid ESO 2022-05-24

Day Ahead Constraint Flows and Limits

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 Open

National Grid ESO 2022-05-24

Balancing Services Adjustment Data (BSAD) Forward Contracts

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...

7 ESO

Tags: Adjustment Ancillary Balancing Bsad Cost Service Subscribable

CSV Open

National Grid ESO 2022-05-24

Dynamic Containment 4 Day Forecast

The 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

Tags: Dc Dch Dcl Dynamic Containment Forecast Response Subscribable

CSV Open

National Grid ESO 2022-05-24

Regional Carbon Intensity Forecast

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 Open

National Grid ESO 2022-05-24

Index Linked Contracted Energy Volume

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...

134 ESO

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

CSV Unknown Open

National Grid ESO 2022-05-24

DC, DR & DM Data

From 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

Tags: Ahead Containment Data Day Dynamic Subscribable

CSV Open

National Grid ESO 2022-05-24

Daily Balancing Services Use of System (BSUoS) Forecast

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...

5 ESO

Tags: Bsuos Daily Forecast Subscribable

CSV Open

National Grid ESO 2022-05-24

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

Tags: Sop Subscribable System Operating Plan

CSV PDF ZIP Open

National Grid ESO 2022-05-24

Upcoming Trades

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 Open

National Grid ESO 2022-05-24

Embedded Wind and Solar Forecasts

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 Powerbi Solar Subscribable Wind

CSV DOC Open

National Grid ESO 2022-05-24

Day Ahead Demand Forecast

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 Open

National Grid ESO 2022-05-24

System Inertia

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

6 ESO

Tags: Inertia Subscribable System Transmission

CSV Open

National Grid ESO 2022-05-24

Historic Demand Data

This 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...

15 ESO

Tags: Demand Historic Interconnectors Outturn Solar Subscribable Wind

CSV DOC Open

National Grid ESO 2022-05-24

Historic GTMA (Grid Trade Master Agreement) Trades Data

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...

9 ESO

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

CSV Open

National Grid ESO 2022-05-24

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

Tags: Daily Forecast Generation Margin Opmr Powerbi Reserve Subscribable

CSV Open

National Grid ESO 2022-05-24

Historic Generation Mix & Carbon Intensity

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 Open

National Grid ESO 2022-05-24

2 Day Ahead Demand Forecast

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 Open

National Grid ESO 2022-05-24

Demand Data Update

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 Open

National Grid ESO 2022-05-24

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

Tags: Adjustment Ancillary Balancing Bsad Cost Service Subscribable

CSV Open

National Grid ESO 2022-05-24

Non-BM Ancillary Service Dispatch Platform (ASDP) Instructions

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...

23 ESO

Tags: Ancillary Dispatch Instrictions Non-bm Platform Service Subscribable

CSV Open

National Grid ESO 2022-05-24

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

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 Open

National Grid ESO 2022-05-24

2-14 Days Ahead Demand Forecast

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...

3 ESO

Tags: 2-14 Demand Forecast Medium National Subscribable Term

CSV Open

National Grid ESO 2022-05-24

Carbon Intensity of Balancing Actions

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 Open

National Grid ESO 2022-05-24

System Inertia Cost

This 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

Tags: Inertia Subscribable System Inertia Transmission

CSV Open

National Grid ESO 2022-05-24

Weekly Wind Availability

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 Open

National Grid ESO 2022-05-24

Daily Balancing Services Use of System (BSUoS) Cost Report

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....

76 ESO

Tags: Balancing Bsuos Cost Daily Report Subscribable

PDF Open

National Grid ESO 2022-05-24

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

Tags: Adjustment Ancillary Balancing Bsad Cost Service Subscribable

CSV Open

National Grid ESO 2022-05-24

Daily Wind Availability

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 Open

National Grid ESO 2022-05-24

14 Days Ahead Wind Forecasts

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 Open

National Grid ESO 2022-05-24

7 Day Ahead Demand Forecast

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 Open

National Grid ESO 2022-05-24

Daily Balancing Services Use of System (BSUoS) Volume Data

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....

6 ESO

Tags: Balancing Bsuos Daily Subscribable Volume

CSV Open

National Grid ESO 2022-05-24

Balancing Services Contract Enactment

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...

5 ESO

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

CSV Open

National Grid ESO 2022-05-24

Short Term Operating Reserve (STOR) Day Ahead Buy Curve

As 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

Tags: Buy Buy Curve Cep 6.9 Curve Stor Subscribable

CSV TXT Open

National Grid ESO 2022-05-24

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

Tags: Forecast Generation Margin Opmr Reserve Subscribable Weekly

CSV Open

National Grid ESO 2022-05-24

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...

580 ESO

Tags: Balancing Bsuos Charging Report Services Subscribable

ZIP Open

National Grid ESO 2022-05-23

Transmission Entry Capacity (TEC) Register

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 Open

National Grid ESO 2022-05-21

Interconnector Register

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 Open

National Grid ESO 2022-05-21

Embedded Register

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

1 ESO

Tags: Connection Embedded Register Subscribable

CSV Open

National Grid ESO 2022-05-21

Thermal Constraint Costs

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 Open

National Grid ESO 2022-05-20

Week Ahead Overnight Voltage Requirement

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 Open

National Grid ESO 2022-05-20

Voltage System Costs

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...

10 ESO

Tags: Cost Diagram Network Subscribable System Voltage

CSV PDF Open

National Grid ESO 2022-05-20

Monthly Operational Metered Wind Output

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...

5 ESO

Tags: England Monthly Output Scotland Subscribable Wind

CSV Open

National Grid ESO 2022-05-20

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

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...

5 ESO

Tags: Balancing Bsuos Cost Daily Forecast Historic Outturn Subscribable

CSV Open

National Grid ESO 2022-05-20

Data Portal: Planned Changes & Known Issues

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 Open

National Grid ESO 2022-05-19

Constraint Breakdown Costs and Volume

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...

6 ESO

Tags: Contstraints Costs Daily Inertia Rocof Subscribable Thermal Voltage Volumes

CSV Open

National Grid ESO 2022-05-18

Interconnector Trading Procurement Framework

Documentation relating to interconnector trading, including the procurement framework and supporting materials. Watch the video below:

7 ESO

Tags: Framework Subscribable Trading

PDF Open

National Grid ESO 2022-05-18

ESO Operational Transparency Forum

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...

223 ESO

Tags: Covid-19 Preparedness Subscribable Webinar

MP4 PDF Unknown VIDEO XLSX Open

National Grid ESO 2022-05-18

Dispatch Transparency

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 Open

National Grid ESO 2022-05-18

Firm Frequency Response (FFR) Post Tender Reports

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...

55 ESO

Tags: Balancing Contract Ffr Firm Frequency Response Service Subscribable Tender

CSV Unknown XLSM XLSX Open

National Grid ESO 2022-05-18

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

Tags: Ancillary Balancing Obligatory Orps Power Reactive Service Subscribable Utilisation

CSV PDF XLSX Open

National Grid ESO 2022-05-17

GIS Boundaries for GB Generation Charging Zones

This 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 License not specified

Tags: Generation Generations Zones Gis Shape Files Subscribable

GEOJSON ZIP Open

National Grid ESO 2022-05-16

Monthly Balancing Services Use of System (BSUoS) Forecast Data

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....

91 ESO

Tags: Balancing Bsuos Cost Forecast Monthly Subscribable

CSV PDF XLSX Open

National Grid ESO 2022-05-16

Day Ahead Half Hourly Demand Forecast Performance

The 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

Tags: Day Ahead Demand Forecast Subscribable

CSV Open

National Grid ESO 2022-05-15

24 Months Ahead Constraint Limits

This dataset contains Mega Watt constraint limits for the main boundaries on the transmission system on weekly bases for 24 months ahead.

3 ESO

Tags: Constraint Limits Scotex Ssharn3 Subscribable

CSV PDF Open

National Grid ESO 2022-05-13

Monthly Balancing Services Use of System (BSUoS) Forecast Reports

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...

64 ESO

Tags: Balancing Bsuos Cost Forecast Monthly Subscribable

PDF Open

National Grid ESO 2022-05-13

24 Months Ahead Constraint Cost Forecast

This dataset contains 24 months ahead constraint cost on monthly bases for the main boundaries on the transmission system.These costs are the cost of managing constraint boundaries (for thermal, voltage or...

1 ESO

Tags: Constraint Cost Constraint Forecast Subscribable

CSV Open

National Grid ESO 2022-05-13

System Frequency

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...

40 ESO

Tags: Frequency Historic Subscribable System

CSV Open

National Grid ESO 2022-05-11

Dynamic Moderation Requirements

This 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

Tags: Dynamic Moderation Forecast Requirments Subscribable

CSV Open

National Grid ESO 2022-05-11

Dynamic Regulation Requirements

This 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

Tags: Dynamic Regulation Forecast Requirments Subscribable

CSV Open

National Grid ESO 2022-05-11

Transmission Network Use of System (TNUoS) Tariffs

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 Demand Residual Banded Charges Embedded Export Generator Revenue Subscribable Tarifs Tnuos

CSV Open

National Grid ESO 2022-05-09

GIS Boundaries for GB Grid Supply Points

This 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)

Tags: Boundaries Demand Embedded Generation Gis Grid Supply Point Gsp Regional Shape File Subscribable

CSV GEOJSON ZIP Open

National Grid ESO 2022-05-06

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...

85 ESO

Tags: Ancillary Balancing Constraints Mbss Monthly Reserve Services Stor Subscribable Trades

CSV PDF XLSX Open

National Grid ESO 2022-05-04

Firm Frequency Response (FFR) Market Information

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...

78 ESO

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

CSV PDF XLSX Open

National Grid ESO 2022-04-29

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 data was generated to support a thought piece to explore the findings from our new...

4 ESO

Tags: Fes Heat Local Authority Regional Subscribable

CSV Open

National Grid ESO 2022-04-13

Super Stable Export Limit Contract Enactment

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...

3 ESO

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

CSV Open

National Grid ESO 2022-04-12

Fast Reserve Market Information

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 Open

National Grid ESO 2022-04-08

Short Term Operating Reserve (STOR) Post Tender Reports

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 Open

National Grid ESO 2022-04-05

Phase 2: FFR Auction Results Summary

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...

20 ESO

Tags: Auction Balancing Balancing Services Dlh Ffr Lfs Response Subscribable Trial

CSV ZIP Open

National Grid ESO 2022-03-19

Future Energy Scenario (FES) Building Block Data

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 Open

National Grid ESO 2022-02-18

Optional Downward Flexibility Management (ODFM) Market Information

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 Open

National Grid ESO 2021-11-02

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

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 Open

National Grid ESO 2021-07-20

Transmission Losses

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 Open

National Grid ESO 2021-07-20

Year Ahead Constraint Limits

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 Open

National Grid ESO 2021-07-20

Platform For Energy Forecasting (PEF) Strategic Project Roadmap

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 Open

National Grid ESO 2021-07-20

Firm Fast Reserve Post Tender Reports

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 Open

National Grid ESO 2021-07-20

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...

7 ESO

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

CSV Open

National Grid ESO 2021-07-20

Optional Downward Flexibility Management (ODFM) Service Documents

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 Open

National Grid ESO 2021-07-20

Data Publication Requests

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 Open

National Grid ESO 2021-07-20

System Excursions

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 Open

National Grid ESO 2021-07-20

Future Energy Scenario – 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...

2 ESO

Tags: Electricity Energy Es1 Fes Future Scenario Subscribable Supply Table

CSV Open

National Grid ESO 2021-07-20

Coronavirus Demand Suppression

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 Open

National Grid ESO 2021-07-20

Short Term Operating Reserve (STOR) Market Information

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

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National Grid ESO 2021-07-20

GIS Boundaries for GB DNO License Areas

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

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National Grid ESO 2021-07-20