Title Owner Updated

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 2022-06-28

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...


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

CSV Open

National Grid ESO 2022-06-28

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...


Tags: Constraint Group Last Updated Management Note Subscribable Units Voltage


National Grid ESO 2022-06-24

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...


Tags: Contstraints Costs Daily Inertia Rocof Subscribable Thermal Voltage Volumes

CSV Open

National Grid ESO 2022-06-22

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


National Grid ESO 2022-06-16

Historic Transformer Voltages

Voltages at half-hourly granularity for all transformers at GSP, BSP & Primary level across South West, South Wales, East Midlands & West Midlands, between April 2019 - April 2021.

12 wpd-open-data

Tags: Transformers Voltage

CSV Open

Western Power Distribution 2022-05-11

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...


Tags: Excursions Frequency Subscribable System Voltage

CSV Open

National Grid ESO 2021-07-20

System Voltage Optimisation

This dataset contains the results of a real-time, centralised voltage control system for 33kV and 11kV electricity distribution networks, called System Voltage Optimisation (SVO). System Voltage Optimisation...

35 wpd-open-data

Tags: Avc Control Relays Voltage

CSV Open

Western Power Distribution 2021-07-20