System Support Services

A charge per kWh for each unit delivered through the Transmission System at the trading point designed to recover the costs of operating the Transmission System including the costs of ancillary services.

The System Support Services (SSS) tariff is published annually in the Transmission Statement of Charges and is a flat rate tariff. The SSS charge is levied on Suppliers only.

Documents

Final TUoS Statement of Charges 2017-18 

To view previous tariff years please visit the publications centre.

Contact Us

For SSS queries please email cas@soni.ltd.uk

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