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ESO content (38124)
Networks
eNAMS (electricity Network Access Management System) is an NGESO developed tool created to effectively manage asset owners’ electricity system outage requests and to give visibility of those outages…
Networks
eGAMA (electricity Generator Availability and Margin Analysis) is externally a tool provided to generators/interconnectors to meet their OC2 requirements for providing outage data to NGTESO, if we…
Our strategy
Every day the ESO moves over 730GWh of high-voltage electricity around the country. That’s enough to power 146 billion light bulbs!We ensure that Great Britain has the essential energy it…
Balancing services
Reactive power services are how we ensure voltage levels on the system remain within a given range, as mandated in the SQSS (Security and Quality of Supply Standard). We instruct generators or other…
Strategic Energy Planning
As Britain’s electricity system operator, we’re right at the heart of efforts to transform the way our energy networks operate.
Strategic Energy Planning
This NOA 2021/22 Refresh report provides recommendations for the options required to develop the onshore electricity transmission network, that complements the HND’s …
Strategic Energy Planning
The NOA has an important role in developing an efficient, coordinated and economic electricity transmission system.On this page, you'll find the full suite of NOA 2020/21 documents …
Strategic Energy Planning
The onshore transmission network in Scotland is owned by SSEN Transmission and SP Transmission. The Scottish NETS is divided into 7 boundaries:B0 – Upper North SSEN TransmissionB1a – North West…
Strategic Energy Planning
The Holistic Network Design (HND) is a first of its kind, integrated approach for connecting 23GW of offshore wind to Great Britain.By considering future offshore generation out to 2030,…
Strategic Energy Planning
The north of England transmission region includes the transmission network between the Scottish border and the north Midlands. This includes the upper north boundaries B7a and B8. The map below…