What is a Transmission Network Use of System (TNUoS) charge?

A Transmission Network Use of System (TNUoS) charge is a charge made to consumers to cover the cost of using the National Transmission System owned and operated by the National Grid to cover the cost of electricity delivery from power stations into an and across the transmission network in the UK.

< Return to FAQ category: Energy Metering

Who We Are

We have over 25 years of experience in the design, installation and maintenance of renewables power and energy solutions including solar PV panels and solar thermal panels, electric vehicle charging points, battery energy storage, onsite power generation and backup power solutions. Every day we help domestic, commercial and industrial users to reduce their energy costs, reduce their reliance on the grid and contribute towards a net-zero carbon economy.

Fast Deliveries

Expert Advice

Local Service

Price Guarantee

Finance Available

What is a Transmission Network Use of System (TNUoS) charge?