Yamagata Yuza Offshore Wind (Round 3)

Sea of Japan off Yamagata. bp's first Round 3 offshore wind success in Japan. Marubeni-led consortium.

Status
Advanced Developmentlifecycle stage
LikelyHafrok delivery likelihood
Ownership
YYYamagata Yuza Offshore Wind LLC — 100% ◇
MAMarubeni / KEKansai Electric Power / BP / TGTokyo Gas / MAMarutaka — … ◆
Location
Japan
Sea of Japan (East Sea)
Technology
Capacity 450 MW ◆ Turbines 30 × 15 MW ◆ Maker Siemens Gamesa (model not recorded) ◆ Foundation Fixed-bottom (structure not recorded) ◆
Site & conditions
Site rights Seabed rights held ∴
Origination Japan Offshore Wind Round 3 (general sea-area public solicitation) · 2024 ·
Water depth 8–41 m ≈ Wind speed 7.4 m/s @ 150 m ≈
Revenue & grid
Offtake Premium · 3 JPY_per_kWh ◆
Grid —
Schedule
FID Not taken
COD · announced Jun 2030 ◆
COD · Hafrok for registered readers

Delivery outlook modelled by Hafrok · calibrated on delivered projects

LikelyHafrok's delivery likelihood for Yamagata Yuza Offshore Wind (Round 3)
The developer says Jun 2030. Hafrok's year agrees with that date; the year, the chance and the working are for registered readers.
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Project timeline & ownership verified milestones on the spine · ownership from Hafrok's transactions record

1 dated milestone on the spine, each with its source · 2 recorded ownership deals from Hafrok's transactions record · the developer's announced-COD history
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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
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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
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Sources & verification

Rests on 11 sources (4 primary) · ◆ 6 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.
Operator3
[10]
Ministry of Land, Infrastructure, Transport and Tourism (国土交通省)2025-12-16◆ 「青森県沖日本海(南側)」及び「山形県遊佐町沖」における公募占用計画の認定
“経済産業省及び国土交通省は、海洋再生可能エネルギー発電設備整備促進区域である「青森県沖日本海(南側)」及び「山形県遊佐町沖」について、公募により選定された事業者から提出されたそれぞれの公募占用計画を認定しました。 [...] (2)認定をした日 令和7年12月16日”
supportsConsentConsent applied
[11]
Ministry of Land, Infrastructure, Transport and Tourism (国土交通省) / Yamagata Yuza Offshore Wind LLC2025-12-16◆ 別添1-2_公募占用計画の概要(山形県遊佐町沖)
“事業計画概要 事業者名 山形遊佐洋上風力合同会社 発電設備出力 450MW 風車基数 30基 風車機種 Siemens Gamesa 15MW機 運転開始予定時期 2030年6月 促進区域内海域等の占用の期間 2028年4月~2055年12月 (予定) 基地港 酒田港 供給価格 3.00円/kWh”
supportsCommercial operationTurbinesMakerUnit capacityTotal capacity+3 more
[12]
Ministry of Economy, Trade and Industry (経済産業省) / Ministry of Land, Infrastructure, Transport and Tourism (国土交通省)2024-01◆ 「青森県沖日本海(南側)」、「山形県遊佐町沖」海洋再生可能エネルギー発電設備整備…
“第2章 公募対象とする事業の要件 ... 対象発電設備区分等(法第 13 条第2項第1号) 本公募の対象とする対象発電設備の区分等は、風力発電設備(着床式洋上風力) ... とする。”
supportsFoundation
Auction results1
[14]
Aquilo Energy / EEAS2026-06-22◆ jp-round3-2024-jp-tenders-study
Japanese offshore-wind tenders study: 30-yr occupancy permit, scheduled operation <=8 years after Occupancy Plan certification
supportsTender award · Japan Offshore Wind Round 3 (general sea-area public solicitation)
Trade press6
[2]
Marubeni Corporation2024-12-24◆ Appointment of Operator for the Offshore…
“Yamagata Yuza Offshore Wind LLC was officially appointed as operator for the offshore wind power project off the coast of Yuza Town, Yamagata Prefecture. The Project involves the construction, mainten…”
supportsspv↳ parentsTotal capacity
[3]
Watson Farley & Williams2024-12◆ Japan’s offshore wind ’Round 3’ auction …
“Yamagata Yuza Offshore Wind LLC (Marubeni, Kansai Electric, BP, Tokyo Gas and Marutaka) for the Yuza, Yamagata project (450 MW). The selected proposal offered JPY 3/kWh with a committed commercial ope…”
supportsTotal capacity
[4]
DeepWind2025-03
“Yamagata Yuza Offshore Wind LLC with five consortium members: Marubeni Corporation, Kansai Electric Power Co., Inc., BP Iota Holdings Limited, Tokyo Gas Co., Ltd., and Marutaka Co., Ltd. Capacity: 450…”
supportsTotal capacity
[6]
Global Energy Monitor (GEM.wiki)2026-07-02
supportsCoordinates
[7]
GEBCO Compilation Group2020
supportsWater depth
[8]
DTU Wind Energy / World Bank (Global Wind Atlas)2026
supportsMean wind speed
Unverified import1
[1]
unknown
Press report — cited, not quoted; read it at the source link.
supportsTotal capacityWater depthCoordinates
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