Transmission network use of system

  • Power and gas networks

    Trouble Ahead? – What’s Next For TNUoS Charges?

    Some industry participants will be well versed in the Transmission Network Use of System (TNUoS) charging regime, while others may not have had to engage with it before. Regardless of previous involvement, these charges are becoming increasingly important to understand for reasons we will discuss shortly.  In this week’s ‘Chart...

  • Low carbon generation

    Embedded generators and the future of TNUoS charging

    Electricity network charges are currently undergoing a significant period of reform to ensure that charging methodologies are fit for purpose in the transitioning energy market. Transmission Network Use of System (TNUoS) generator charges are a particular topic of debate at present, with locational tariffs raising concern by some parties and...

  • Regulation and policy

    Chart of the week | Zoning out: ESO aims to reform generator TNUoS

    Transmission network use of system (TNUoS) charges are partly based on a locational element, determined by which charging zone the network user is in. There are currently 27 zones for generators – in this Chart of the Week we look at how National Grid ESO is seeking to change that.