• Press Releases

    Significant rise is electricity system constraint issues across Australia

    System strength — such as voltage control — is one of the most talked-about issues in the National Energy Market (NEM) this year. There are currently three rule changes dealing directly with system strength issues, which could have a profound impact on the electricity grid. Cornwall Insight Australia has examined...

  • Press Releases

    Western Link outage and high wind sees constraint cost hit a record high

    The Western Link HVDC suffered an unplanned outage on 10 January, which caused it to remain offline until 8 February. This coincided with record-high levels of wind generation in GB with generation from transmission connected wind topping 6.3TWh. However, with 2.2GW of HVDC capacity unavailable, significant volumes of wind output...

  • Press Releases

    Scottish wind farms called upon in the Balancing Mechanism

    Management of wind resources is a critical tool for National Grid in dealing with system constraints, supply and demand imbalance and increasingly inertia*. Data from Cornwall Insight’s Balancing Mechanism (BM) Service highlights that wind was the first-most utilised renewable technology asked to turn down in the BM. Further analysis also...