electricity transmission

  • Business supply and services

    Balancing costs exceed £200mn for three consecutive months

    High underlying commodity and carbon costs haven’t only impacted costs in the wholesale market. From April 2021 to the end of October 2021, balancing costs on the electricity transmission system have totalled £1.29bn. This represents a £301.88mn (30.6%) increase in costs over the same period in 2020, where total costs...

  • Energy storage and flexibility

    Chart of the week | BFG: Big Frequency Game

    Since last Friday’s (9 August’s) power blackout there has been considerable interest in how National Grid Electricity System Operator (ESO) balances power demand and supply. Terms such as frequency, rate of change of frequency (RoCoF) and inertia have all gained in currency. This Chart of the Week shows the distribution of...

  • Regulation and policy

    Chart of the week | Objection your honour – judicial review decision confirms Triad benefit cut

    Distributed generators will have greeted today’s dismissal by the High Court of a judicial review into Ofgem’s decision to change electricity transmission charging arrangements with dismay. Changes to transmission charging rules, introduced on 1 April 2018 following the implementation of the CUSC modification proposals (CMP) 264 and 265, has drastically...