Ørsted selects Arenko's platform to operate Iceni battery energy storage system for Hornsea 3 offshore wind farm
Type: Supply Agreement · Technology: Storage · Country: United Kingdom · Capacity: 300 MW · Announced: 2026-08-18
Ørsted selected Arenko to deploy its Nimbus optimisation, asset management, and trading platform for the 300 MW/600 MWh Iceni battery energy storage system (BESS). This BESS project is a co-location project integrated with the 2.9 GW Hornsea 3 offshore wind farm in the UK, scheduled to enter operations in the first quarter of 2027. The Iceni project is designed to share transmission infrastructure and an onshore grid connection with Hornsea 3, making it the world's first utility-scale battery directly integrated into offshore transmission infrastructure. Ørsted took a final investment decision on the BESS project in June 2024, specifying a Tesla system with a capacity of 600 MWh and a power rating of 300 MW.
Analysis
Ørsted selected Arenko to deploy its Nimbus platform for the 300 MW/600 MWh Iceni battery energy storage system (BESS) in the United Kingdom, as announced on August 18, 2026. Ørsted is a Danish multinational power company and a global leader in offshore wind power. The Iceni BESS project is a co-location project integrated with the 2.9 GW Hornsea 3 offshore wind farm, scheduled to enter operations in the first quarter of 2027. Ørsted took a final investment decision on the BESS project in June 2024, specifying a Tesla system with a capacity of 600 MWh and a power rating of 300 MW. The Iceni project is designed to share transmission infrastructure and an onshore grid connection with Hornsea 3.
Key points
- Ørsted selected Arenko for the 300 MW/600 MWh Iceni BESS project.
- The deal was announced on August 18, 2026, in the United Kingdom.
- The Iceni BESS is integrated with the 2.9 GW Hornsea 3 offshore wind farm.
- Hornsea 3 is scheduled to enter operations in Q1 2027.
- Ørsted made a final investment decision in June 2024 for a Tesla system.
Counterparties
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