Siemens A/S supplied and installed the 220 kV GIS switchgear on the Burbo Bank Extension offshore substation. Under the OSS mechanical and electrical equipment package for the BBW02 transmission assets, Siemens provided the high-voltage gas‑insulated switchgear and completed its installation on the offshore platform, enabling switching and protection of the 220 kV export connection between the wind farm and the onshore transmission system.