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ESO
Charging guidance
On this page you will find guidance materials to help you understand how, when and what you'll be charged.
The methodology we use to set tariffs and calculate charges is in the Connection and Use of System Code (CUSC), Section 14.
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Charging guidance documents and webinars
TNUoS guidance
BSUoS guidance
Connection charging guidance
AAHEDC guidance
2019 Forum materials
2018 Forum materials
Below are a selection of webinars, these share the same content that was discussed and shared at our Charging and Settlements forums in October 2018.
Charging policy developments
Includes open letter consultations and guidance, charging methodology policy decisions, electricity industry information guides, and Triads data.
Charging statements
TNUoS recovers the cost of installing and maintaining the transmission system. These charges apply to suppliers and generators.
The charges for using Great Britain’s electricity system
All users of the electricity transmission system pay to use it. This brief overview looks at who pays, for what, and how the charges are calculated.