interconnectors

  • Energy storage and flexibility

    Chart of the week | Increasing electricity balancing costs and an increasing System Operator role

    Last week saw the publication of Ofgem's review of GB energy system operation. This makes recommendations that the roles and functions of the electricity and gas system operators need to change in light of net zero. In this week's 'Chart of the week', I wanted to focus on one aspect...

  • Low carbon generation

    Chart of the week | What might compete in upcoming Capacity Market auctions?

    The next round of Capacity Market (CM) auctions are set to take place in March 2021, starting with the T-1 (Delivery Year 2021-22) on 2 March followed by the T-4 (Delivery Year 2024-25) on 9 March. The prequalification window for these auctions have been open since 20 July 2020 and...

  • Energy storage and flexibility

    Australian Chart of the week | VNI West RIT-T: another route-to-market for battery storage?

    Over the last week, we have been reading through stakeholder submissions to the Victoria to New South Wales Interconnector West (VNI West) Regulatory Investment Test for Transmission (RIT-T) Project Specification Consultation Report (PSCR). For the most part, the submissions were in support of options 7 and 6 (Figure 1). However,...

  • Low carbon generation

    Chart of the week | Swing low: T-3 Capacity Market auction

    In this week's Chart of the week, we discuss the provisional results of the T-3 Capacity Market (CM) auction for Delivery Year 2022-23, published on Friday 31 January by the EMR Delivery Body (National Grid ESO). The clearing price was £6.44/kW/year, the lowest ever in a multi-year (T-4 or T-3) Capacity Market auction....

  • Energy storage and flexibility

    Australian Chart of the week | “Feel the flow”: changing interconnection dynamics post Liddell

    Locational constraints, high renewable penetration zones and fossil fuel failures or retirements are changing the nature of electricity flows in the market. As a result, Interconnection in the National Electricity Market is playing an increasingly important role in balancing supply and demand. On 4 January 2020, bushfires caused transmission outages...

  • Low carbon generation

    Chart of the week | LNG displaces gas interconnector imports

    Since February, the UK’s gas interconnector imports are being displaced in the gas supply mix by a surge in LNG imports. Month-on-month the gas supply mix has changed, with interconnector imports and LNG send-out going from 4.6% and 17.0% of total gas supply in February, to 0.1% and 20.6% respectively...