Ørsted finishes major construction on 920 MW Taiwan offshore wind farms
Built WorldSecond gigawatt-scale project brings Greater Changhua cluster to 1.82 GW, powering two million households
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Overview
Updated 58 minutes agoØrsted finished the major construction on its 920 MW Greater Changhua 2b and 4 offshore wind farms off Taiwan's coast on September 2. The 66-turbine project is the company's second gigawatt-scale wind farm in Taiwan.
The Greater Changhua cluster now spans 1.82 GW, enough to power about two million Taiwanese households. The electricity flows to the grid under a 20-year corporate power purchase agreement with Taiwan Semiconductor Manufacturing Company (TSMC), the world's largest chipmaker.
Why it matters
TSMC's 20-year wind power deal shows whether corporate buyers can fund gigawatt-scale renewables in Asia.
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People Involved
Organizations Involved
Danish energy company that built the Greater Changhua cluster.
Supplied the 66 SG 14-236 turbines for the project.
World's largest contract chipmaker and buyer of the project's output.
Taiwan's largest life insurer and Ørsted's financial partner.
Timeline
June 2018 September 2026
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Major construction completed
Latest MilestoneØrsted completes major construction; ceremony held at Port of Taichung.
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All 66 turbines installed
ConstructionAll 66 turbines installed, completing the build-out in 275 days.
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First power delivered to grid
MilestoneFirst turbine delivers power to Taiwan's national grid.
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Turbine installation starts
ConstructionTurbine installation starts with Siemens Gamesa 14 MW units.
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Offshore construction begins
ConstructionOffshore construction begins on the 920 MW project.
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Changhua 1 and 2a enter operation
MilestoneGreater Changhua 1 and 2a, 900 MW, enter operation.
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Ørsted reaches final investment decision
DecisionØrsted reaches final investment decision on Greater Changhua 2b and 4.
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TSMC signs 20-year power deal
ContractTSMC signs a 20-year corporate power purchase agreement covering the full 920 MW output.
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Taiwan awards 920 MW to Ørsted
AuctionTaiwan awards Ørsted 920 MW in its first competitive price-based offshore wind auction.
Historical Context
3 moments from history that rhyme with this story — and how they unfolded.
Vindeby (1991)
Denmark built Vindeby, the world's first offshore wind farm, with 11 turbines totaling 5 MW. It was a test project in shallow water.
Vindeby operated for 25 years before being decommissioned in 2017.
It proved offshore wind was technically feasible, starting an industry that now builds gigawatt-scale farms.
The contrast is stark: 5 MW in 1991, 920 MW in 2026. It shows how far the technology has come.
Taiwan nuclear phase-out (2016-2025)
Taiwan's government committed to phasing out nuclear power by 2025, closing its three nuclear plants. The policy created a large gap in baseload electricity.
Taiwan turned to natural gas and renewables to fill the gap.
Offshore wind became a pillar of Taiwan's energy plan, with a target of 5.5 GW by 2025.
The nuclear phase-out created the demand that made the Changhua cluster possible.
Hornsea One (2019-2020)
Ørsted built Hornsea One, a 1.2 GW wind farm 120 km off England's Yorkshire coast. It was the world's first offshore wind farm to exceed 1 GW.
Hornsea One began generating in 2019 and reached full capacity in 2020.
It proved gigawatt-scale offshore wind was buildable, setting the template for projects like Greater Changhua.
Same developer, same scale. Hornsea showed Ørsted could deliver gigawatt projects; Changhua shows the model works in Asia.
