Ørsted has completed the installation of all wind turbines at its 920 MW Greater Changhua 2b and 4 offshore wind farms off the coast of Taiwan, concluding the project’s wind turbine build-out within a single installation season. The milestone positions the project among the most significant offshore wind developments in the Asia-Pacific region to date.

The wind farms, located 35 to 60 kilometers offshore Changhua County, consist of 66 Siemens Gamesa SG 14-236 turbines, each rated at 14 MW. Offshore construction began in February 2025, with turbine installation starting in April 2025 and carried out using Cadeler’s Wind Maker installation vessel.

First power was achieved in July 2025, and the project has been supplying renewable electricity to Taiwan’s grid since then. Full commercial operations are expected in the third quarter of 2026.

Greater Changhua 2b and 4 is the first offshore wind project in the Asia-Pacific region to deliver power under a corporate power purchase agreement (PPA), signed in 2020 with an undisclosed corporate offtaker. The project highlights the growing role of corporate PPAs in underwriting large-scale offshore wind developments beyond Europe.

Ørsted said completing a 920 MW turbine installation campaign in a single season was a notable achievement, given the limited weather windows and challenging marine conditions in the Taiwan Strait. According to the company, the installation phase required tight coordination across marine logistics, offshore construction, and safety management.

The project has set several industry firsts, both regionally and globally. It is the first offshore wind development in the Asia-Pacific to deploy suction bucket jacket foundations at scale, avoiding pile driving and keeping underwater noise levels close to natural background conditions during installation.

It is also the first offshore wind project worldwide to install 14 MW turbines equipped with 115-meter blades, currently the largest blades deployed offshore. Ørsted completed installation of all 66 turbines in 275 days.

Safety performance was another focal point during construction. Ørsted reported approximately 131,576 offshore working hours during the turbine installation campaign with zero lost-time injuries.

With turbine installation complete, the project has moved into the commissioning phase. Current activities include wind turbine commissioning, electrical system testing, and final offshore cable works. These steps are required before the project can reach full commercial operation in Q3 2026.

Greater Changhua 2b and 4 forms part of Ørsted’s historically large construction pipeline, which totals 8.1 GW globally. The project further cements Taiwan’s position as the leading offshore wind market in Asia and a strategic growth region for European offshore wind developers.

By Charles Kennedy for Oilprice.com

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