NESO procures 1.22 GW of battery storage capacity in UK T-4 capacity market auction for 2029/30 delivery
Type: Development · Technology: Storage · Country: United Kingdom · Capacity: 1.22 GW · Announced: 2026-03-10
NESO secured 1.22 GW of de-rated BESS capacity in the UK's long T-4 capacity market auction for 2029/30 delivery. The auction.
Analysis
The UK's latest T-4 capacity market auction secured 1.22 GW of battery storage for 2029/30, with a notable 1.18 GW dedicated to new build projects. This GBP 27.10/kW/year clearing price offers critical long-term revenue certainty, significantly enhancing project bankability for developers. Grid operator NESO, a Kolkata-based group primarily focused on infrastructure and power in India, procured this substantial capacity. The auction's outcome effectively de-risks a significant pipeline of future UK grid flexibility, ensuring new storage comes online.
Key points
- 1.22 GW total battery storage capacity procured.
- 1.18 GW of awarded capacity is for new build projects.
- Clearing price set at GBP 27.10/kW/year.
- NESO Group, primarily an India-focused diversified holding company, procured the capacity.
Counterparties
- NESO (Offtaker)