hydro pump storage

  • Energy storage and flexibility

    Chart of the week | FFR tender results surprises

    On 16 October, National Grid ESO published its monthly tender results for the Firm Frequency Response (FFR) service. Stiff competition from participants, including battery storage projects and the influx of aggregators, have led to an oversupplied service. This has seen the prices realised fall and stagnate. This week look into...