More than 2GW of batteries have prequalified for the upcoming four-year ahead (T-4) capacity market auction, according to analysis by Aurora Energy Research. National Grid has published the register for the auction for delivery in 2020/21, which is due to take place later this year. It shows a total of 74.7GW of de-rated capacity has prequalified – 21.4GW of new build and 53.2GW of existing capacity. The procurement target for the auction is 52GW. The company with the largest prequalified battery portfolio, totalling more than 900MW of de-rated capacity, is Battery Energy Storage Services – a subsidiary of the renewable energy company RES. UK Energy Reserve has more than 200MW prequalified and NASU Energy Storage slightly less than that. A new 50MW pumped hydro storage plant being developed by Snowdonia Pumped Hydro (48MW de-rated) also prequalified, along with more than 2GW of new de-rated demand-side response capacity and the new 1GW Nemo Link interconnector to Belgium (770MW de-rated).
Utility Week 17th Oct 2016 read more »