Greater Changhua 4
Located ~55 km off Changhua County, Taiwan Strait. Uses SG 14-236 DD turbines. Annual generation ~3.3 TWh.
Status
Under Constructionlifecycle stage
Near certainHafrok delivery likelihood
Ownership
Ørsted — 50% ◆CLCathay Life Insurance — 50% ◆
Location
TaiwanTaiwan Strait
Technology
Capacity
583 MW ◆
Turbines
42 × 14 MW ◆
Model
Siemens Gamesa SG 14-236 DD ◆
Foundation
Jacket ◆
Site & conditions
Site rights
Seabed rights held ∴
Water depth
38–45 m ≈
Wind speed
11.0 m/s @ 150 m ≈
Revenue & grid
Offtake
PPA ◆
Grid
Secured ◆
Connection
Changhua County onshore substation (Taipower grid) ◆
Schedule
FID
31 Mar 2023 ◆
COD · announced
2026-Q3 ◆
COD · Hafrok
for registered readers
Delivery outlook modelled by Hafrok · calibrated on delivered projects
Near certainHafrok's delivery likelihood for Greater Changhua 4
The developer says 2026-Q3. Hafrok's year agrees with that date; the year, the chance and the working are for registered readers.
Free for registered readers in early access · register below ↓
Project timeline & ownership verified milestones on the spine · ownership from Hafrok's transactions record
4 dated milestones on the spine, each with its source · 2 recorded ownership deals from Hafrok's transactions record · the developer's announced-COD history
For registered readers · register below ↓
Revenue & offtake contract terms, price levels and the route to market
the contract terms on record · price over time in money of the day · the routes to market and the next visible round
For registered readers · register below ↓
Installation how the build is going · from sourced statements and Hafrok's registers
construction status and turbines standing · vessel and port contracts · the grid connection and whether it is ready in time
For registered readers · register below ↓
Sources & verification
Rests on 21 sources (10 primary) · ◆ 14 documents held
◆Verified≈Modelled◇Sourced∴Inferred⌁Convention○Unverified∅No source·Derived
Numbers are stable citation ids — grouped by source class, so they are not consecutive.
Operator11
[2]
Ørsted2025-02-18◆ Ørsted starts offshore construction of 9…
“Since its final investment decision in March 2023, Ørsted has begun the manufacturing of the key components, completed civil work of the onshore substation, and started mobilising vessels to prepare t…”
supportsOnshore constructionOffshore constructionSite rights
[4]
Ørsted2026-01-20◆ All wind turbines installed at Ørsted’s …
“Located 35–60 kilometres off the coast of Changhua County, Taiwan, Greater Changhua 2b and 4 comprises 66 state-of-the-art 14 MW SG 14-236 wind turbines. ... Since achieving first power in July 2025, …”
supportsFirst powerModelUnit capacityFoundationStatus+1 more
[9]
[12]
Ørsted2025-Q1◆ Orsted — orsted investor presentation …
“Capacity 920 MW Offtake contract Fully secured with TSMC through CPPA Commercial operation date H2 2025”
supportsMechanismDetail
[14]
Ørsted A/S2026-05-07◆ Ørsted IR presentation Q1 2026
“Capacity 920 MW Offtake contract Fully secured with TSMC through CPPA Commercial operation date Q3 2026”
supportsCommercial operation
[16]
Ørsted2026-Q2◆ Orsted — orsted q2 2026 ir presentation
“Borkum Riffgrund 3 Changhua 2b and 4 Revolution Wind Sunrise Wind Baltica 2 Hornsea 3 / BESS Capacity1 913 MW 920 MW 704 MW 924 MW 1,498 MW 2,852 MW / 300 MW COD Q3 2026 Q3 2026 H2 2026 H2 2027 H2 20…”
supportsCommercial operation
[18]
Ørsted Taiwan2026-08-21◆ Statement on a single turbine incident a…
“On 8 August, a wind turbine at the Greater Changhua 4 Wind Farm automatically tripped and ceased operation after its system detected an abnormal condition. Following this, the wind farm team observed …”
supportsStatus note
[21]
Ørsted Taiwan2026-01◆ All wind turbines installed at Ørsted’s …
“The Greater Changhua 2b and 4 offshore wind farms are the first of their kind in the Asia-Pacific region to supply renewable electricity to Ørsted’s corporate customer on the project under a corporate…”
supportsMechanismDetail
[22]
Ørsted Taiwan2025-07-23◆ Ørsted achieves first power at Greater C…
“Today (23), Ørsted announced that the first turbine from the 920 MW Greater Changhua 2b and 4 offshore wind farms has successfully delivered first power to the national grid of Taiwan. This marks a ma…”
supportsFirst power
[23]
Ørsted Taiwan2026-10-02◆ Blade incident at turbine at Greater Cha…
“At around noon on 2 October, an incident involving damage to a turbine blade occurred on one of the wind turbines at the Greater Changhua 4 Wind Farm. At the time of the incident, no personnel were wo…”
supportsStatus note
[24]
Ørsted2018-02-09◆ We receive Environmental Impact Assessme…
“After a comprehensive review process, The Environmental Protection Administration (EPA) has approved the EIAs for our four Greater Changhua projects.”
supportsConsent
Auction results1
[25]
Conventus Law2026-06-22◆ tw-auction-2018-tw-2018-bond
Taiwan 2018 grid allocation: Stage-1 NT$4m/MW + Stage-2 NT$2m/MW performance bond; establishment permit before end-2019
supportsFeed-in tariff · Taiwan 2018 Offshore Wind Capacity Allocation — Competitive Auction (競標)
Trade press8
[6]
[7]
Power Technology2024
Press report — cited, not quoted; read it at the source link.
supportsConsentFinal investment decisionFoundation
[8]
[10]
[11]
Ørsted2026-01◆ Orsted — q4 2025 pre close calls reminde…
“Greater Changhua 4 (583 MW gross, 50 % ownership) with expected commissioning in Q3 2026.”
supportsCommercial operation
[17]
reNEWS2026-08-21
Press report — cited, not quoted; read it at the source link.
supportsStatus note
[19]
Ørsted2026-09-01◆ Ørsted hosts completion ceremony for 920…
“Today, Ørsted celebrated the completion of major construction works for the 920 MW Greater Changhua 2b and 4 offshore wind farms. ... The Greater Changhua 2b and 4 project is expected to enter full co…”
supportsoperatorownerCommercial operationCOD historyTotal capacity
[20]
Ørsted Taiwan◆ Greater Changhua 4 project page
“Ownership: Cathay Life and Cathay PE (50%), Ørsted (50%) Number of turbines: 42 turbines (14 MW each) Overall capacity: 582.9 MW”
supportsTurbinesUnit capacity
Unverified import1
[1]
Early access