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ESO content (77)
Charging
TNUoS charges recover the cost of installing and maintaining the transmission system in England, Wales, Scotland and Offshore.Who does this charge apply to?✓ Generators✓ Suppliers✓ …
Balancing services
The Enhanced Reactive Power Service (ERPS) is suitable for generators who can provide reactive power over and above the Grid Code and Obligatory Reactive Power Service (ORPS) requirements. On this…
Strategic Energy Planning
The electricity system is in a period of transition. We are quickly moving away from energy predominately being supplied by large-scale transmission connected generation, to a larger volume of…
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Charging
July Forecast TNUoS Tariffs for 2025-26 - Report
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…
Balancing services
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…
Balancing services
Reactive power services are how we make sure voltage levels on the system remain within a given range, above or below nominal voltage levels. We instruct generators or other asset owners to either…
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Charging
July Forecast TNUoS Tariffs for 2025-26 - Tables
Document
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Charging
TNUoS CSV File Specification - STAR Release v5.0