RIIO-T2

  • 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.