OffshoreWIND.biz18 Jun 2026Supply chain
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Seventeen of the 23 caissons have been installed at the Princess Elisabeth Island site 45 km off the Belgian coast, each weighing 22,000 tonnes and measuring 58 m long, 28 m wide, and 23–32 m high, depending on the presence of a storm wall. Installation by TM Edison (DEME and Jan De Nul) started in April 2025, paused after October 2025, and resumed in spring 2026. The artificial island, developed by Elia, will connect up to 3.5 GW of offshore wind from the Princess Elisabeth Zone, but the tender for the first 700 MW lot — launched in November 2024 with a winner originally expected in December 2025 — was postponed in 2025 and is now slated to open in 2026.