• Energy storage and flexibility

    Balancing Reserve: ESO proposes new regulating reserve service

    In recent months National Grid ESO has been developing a new reserve service to improve the management of the system and enable the grid to accommodate zero carbon operation of the electricity system by 2025. On 28 September the ESO first announced at their Autumn 2022 Markets Forum, a proposal...

  • Energy storage and flexibility

    Changes in accepted BM offers: What’s the STORy?

    In August 2018 National Grid (NG) made a change to its internal processes, restricting the operational window in which its staff could engage Short Term Operating Reserve (STOR) assets from four to two hours ahead of delivery. This has contributed to a significant reduction in the number and volume of...