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National Grid Electricity System Operator (ESO) is the legally separate entity within the National Grid Group responsible for operating Great Britain's electricity system. They ensure the reliable and efficient flow of electricity from generators to consumers, balancing supply and demand in real-time, 24/7. Key responsibilities include managing system frequency, voltage, and stability, procuring ancillary services, providing system data and insights, and facilitating the connection of new generation and demand. National Grid ESO plays a pivotal role in Great Britain's transition to a decarbonised energy future, integrating increasing amounts of renewable energy sources while maintaining security of supply.
Serves as the primary National Electricity Transmission System Control Centre, managing real-time grid operations, system balancing, and incident response for Great Britain.
State-of-the-art control room with advanced monitoring and communication systems, high-security infrastructure critical for national energy supply.
Highly skilled, analytical, and operational environment focused on precision, reliability, and teamwork. Strong emphasis on safety, continuous improvement, and adapting to the evolving energy landscape. Collaborative culture driven by the critical mission of ensuring secure and reliable electricity supply.
Central hub for Great Britain's electricity system operation, crucial for national energy security, economic stability, and the transition to a net-zero energy system.
National Grid ESO's direct operational responsibilities are focused solely on the electricity system of Great Britain (England, Scotland, and Wales). While it is part of the wider National Grid plc group, which has operations in the UK and the US, National Grid ESO itself does not have an international operational footprint for system operation. It collaborates with international counterparts, particularly European Transmission System Operators (TSOs), on matters of interconnection, system stability, and best practices.
Faraday House, Warwick Technology Park, Gallows Hill
Warwick
Warwickshire
United Kingdom
Address: National Grid House, Bearwood Road, Wokingham, Berkshire, RG41 5BN
Ensures operational resilience and distributed control capability for Great Britain's electricity network, complementing the primary control centre in Warwick.
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As of April 2025, National Grid ESO' leadership includes:
National Grid ESO has been backed by several prominent investors over the years, including:
National Grid ESO is undergoing a significant transition towards becoming the Future System Operator (FSO), a publicly owned corporation. This transition has led to key leadership appointments, notably a new Chair for the ESO Board, in preparation for its future independent status. The current Executive Director is also expected to transition out once the FSO is established and its CEO appointed.
Discover the tools National Grid ESO uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.
National Grid ESO primarily uses the email format combining an employee's first name and last name, separated by a dot, followed by '@nationalgrideso.com'. Variations such as first initial followed by last name may exist for some individuals or specific roles, but 'firstname.lastname' is the most common.
firstname.lastname@nationalgrideso.com
Format
jane.doe@nationalgrideso.com
Example
85%
Success rate
National Grid ESO Website • January 18, 2024
National Grid ESO announced the appointment of Bernadette Kogler as the new independent Chair of its Board. This key appointment is part of the ESO's ongoing transition to become the Future System Operator (FSO), a new, independent, publicly owned corporation planned for establishment in 2024....more
National Grid ESO Website • October 5, 2023
National Grid ESO published its Winter Outlook for 2023/24, stating it expects sufficient operational surplus to meet electricity demand throughout the winter. The report detailed the measures and services in place to manage system security, even with potential challenges from weather patterns or generator availability....more
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