SOLUTION / PUBLIC SOURCE RECORD
Honeymooring® halves the cost of mooring floating wind farms
- Published 29 June 2022; updated 30 September 2026; estimated reading time 3 minutes. Marked “Under development”; regions listed are the Americas, Europe, Asia, Africa and Oceania. Categories: Offshore wind / Balance of plant and Energy.
- Semar’s Honeymooring® is a shared mooring layout for floating offshore-wind turbines. Instead of securing every turbine with several heavy chains and clump weights, the design links turbines through a honeycomb-like grid using inverse-catenary light fibre ropes and submerged buoys below vessel depth. The company says the layout requires fewer anchors per turbine and lowers peak structural loads from waves, wind and currents.
- Semar estimates hardware-cost savings of 20% for a single-floater pilot and about 50% for a 5–6-turbine grid compared with semi-taut mooring systems. It also says simpler installation and maintenance reduce costs, remove chain-tensioning work and improve worker safety. The company claims the few smaller seabed anchors reduce seabed erosion by 99% and that avoiding heavy chain manufacturing lowers carbon emissions.
- Development status: qualification was ongoing; some patents were approved and others pending. Semar was seeking partners for a pilot at Norway’s METCentre and commercial projects. The page says commercial use was expected in 2030. Thus the savings and seabed-impact figures are project claims and expected results, not established commercial performance.
- The article says floating offshore wind can reach stronger, steadier winds in deeper water but remains more expensive than other wind technologies. Its market section describes international offshore-wind scale-up and energy-security goals.
- Linked to SDGs 7 (Affordable and clean energy), 8 (Decent work and economic growth) and 14 (Life below water).
- Contact: Kasper Sandal, Specialist Engineer & Honeymooring Contact, kasper.sandal@semar.no. Company: SEMAR AS, Strandveien 12, 1366 Lysaker, Norway; semar.no. No phone-number control was shown in the captured page.