Eneforward commissions 2MW/8MWh grid-scale BESS in Saga Prefecture

FEATURED NEWS

wpd Japan unit begins EIA for up to 97.6MW Kuji-Yamagata Wind Farm in Iwate, eyes 2034 COD

RYODEN, JPN ENERGY Integrated System to build 2MW redox flow BESS in Tottori, target May 2027 COD

Latest

Eneforward commissions 2MW/8MWh grid-scale BESS in Saga Prefecture
wpd Japan unit begins EIA for up to 97.6MW Kuji-Yamagata Wind Farm in Iwate, eyes 2034 COD
Weekly EIA update (February 3, 2026): one project begins process, two receive governor feedback
SPARK
RYODEN, JPN ENERGY Integrated System to build 2MW redox flow BESS in Tottori, target May 2027 COD
Renewable Japan takes over Looop’s solar O&M business, adding 321MW to contracted capacity
SPARK
Tohoku EPCO increases LNG-fired Joetsu Unit 1’s output by 27MW without equipment upgrades
SPARK
Taiyo Yuden unit begins sourcing power from Leapton Energy solar plants under Tohoku EPCO-sleeved PPA
Hokkaido EPCO considers new LNG power plant, terminal in Tomakomai, eyes FY2035 commissioning
Kyuden Mirai Energy starts geothermal power supply to Japan Prime Realty under offsite PPA
SPARK
GS Yuasa, Sustech partner on 1.3MW/4.2MWh grid-scale BESS project, target September 2026 COD
NEC signs virtual PPA with Cosmo Eco Power to expand data center renewables coverage
SPARK
Hokkaido Offshore Wind Development transfers Ishikari, Hiyama projects to CI V Japan Co A, MoE data shows
EF Investment connects first BESS asset to grid, gives NH-Amundi right of first refusal on financing projects
Environmentally Friendly Holdings unit signs MoU with Okitama Shin-Denryoku on regional decarbonization
SPARK
Sanei Sangyo to build 2MW/8.2MWh grid-scale BESS in Tochigi and Kumamoto, orders PowerX batteries
SPARK

Categories

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Wind
Hydro, biomass & geothermal
Battery
storage
Thermal &
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Power
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Partnerships & transactions
Markets &
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regulation

Roundups

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Power business licensees

Monthly tracker of changes in retail, generation, TSO/DSO, and aggregation license holders.

JEPX trading participants

Monthly tracker of changes in wholesale power and non-fossil certificate trading participants.

Balancing market trading participants

Monthly tracker of changes in balancing market participants.

RE100, RE Action & other initiatives

Monthly tracker of changes in members of renewable energy promotion initiatives.

Environmental impact assessment

Weekly tracker of projects' progress through the environmental impact assessment process.

Corporate PPAs

Monthly tracker of corporate PPAs announced in Japan.

FIT/FIP project certifications

Monthly tracker of changes in FIT/FIP project certifications including new certifications, etc.

Nuclear power plants

Monthly tracker of developments related to Japan's nuclear power plants.

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Solar

Renewable Japan takes over Looop’s solar O&M business, adding 321MW to contracted capacity
SPARK
Taiyo Yuden unit begins sourcing power from Leapton Energy solar plants under Tohoku EPCO-sleeved PPA
Weekly EIA update (January 27, 2026): one project submits methodology, one receives METI feedback, and more
SPARK
Nittetsu Mining commissions 1.5MW solar plant for self-consumption at Shikoku limestone quarry
SPARK
Second Foundation acquires Trina Solar’s Japan solar and BESS development platform amid vertical expansion
Sanyo Special Steel secures solar power for Himeji factory via 7.3MW off-site PPA with Osaka Gas
SPARK
Eurus Energy-Yachiyo Green Energy JV to develop 8MW solar portfolio, Toyota Tsusho to aggregate output
Fuyo General Lease taps TESS Engineering for BESS retrofit of acquired 2.5MWDC solar plant in Fukuoka
Taiyo Green Energy commissions two floating solar plants in Ehime Prefecture, reaches 20 operational nationwide
SPARK
GSSG Solar, Voltaiyo refinance 104MW portfolio of eight FIT solar plants with SBI Shinsei Bank

Wind

Weekly EIA update (January 6, 2026): one project submits methodology, two receive METI feedback, and more
SPARK
Toda and partners commission 16.8MW floating wind farm, first project to reach COD under marine energy act
JR-EAST Energy Development commissions two 7.5MW onshore wind power plants in Tohoku
Weekly EIA update (December 23, 2025): one project submits methodology, one receives MoE feedback, and more
SPARK
JR-EAST Energy Development, partners commission 61.1MW Kagurayama onshore wind project in Fukushima
JERA, Mitsui, Sumitomo-led consortia pay final deposits for Round 2 offshore wind awards
SECOM signs VPPA with Cosmo Eco Power for portion of Chuuki Wind Farm-associated NFCs
SPARK
Weekly EIA update (December 16, 2025): one project submits methodology, one receives METI approval, and more
SPARK
TerraWind expands onshore pipeline to 327MW as it acquires five Tohoku projects, targets first COD in 2028
Invenergy submits EIA methodology for up to 120.4MW onshore wind project in Iwate Prefecture

Hydro, biomass & geothermal

Kyuden Mirai Energy starts geothermal power supply to Japan Prime Realty under offsite PPA
SPARK
Iwahori, Takuma commission 7.1MW Yonezawa Biomass Power Plant in Yamagata Prefecture
Chubu EPCO, partners to dismantle fire-damaged 54.5MW Yonago Biomass Plant commissioned in 2022
Kyushu EPCO begins repowering 4.5MW hydroelectric Kusu Power Station, targets March 2029 restart
SPARK
Kyuden Mirai Energy submits EIA methodology for 9.5MW Yutsubo Geothermal Power Plant, eyes 2030 COD
SPARK
Weekly EIA update (December 23, 2025): one project submits methodology, one receives MoE feedback, and more
SPARK
Tohoku EPCO upgrades Kidogawa No. 1 hydropower plant, expects 2% higher output without capacity increase
SPARK
Hokuriku EPCO completes Nakasaki hydropower plant repowering, expects 900MWh annual generation increase
SPARK
MLIT selects Green Power Engineering-led JV as preferred developer for 1MW Nomura Dam hydropower project
SPARK
Kansai EPCO-led group to build 7.1MW biomass plant in Tochigi, supply NFCs to Tokyo Metro under virtual PPA

Battery storage

Eneforward commissions 2MW/8MWh grid-scale BESS in Saga Prefecture
RYODEN, JPN ENERGY Integrated System to build 2MW redox flow BESS in Tottori, target May 2027 COD
GS Yuasa, Sustech partner on 1.3MW/4.2MWh grid-scale BESS project, target September 2026 COD
EF Investment connects first BESS asset to grid, gives NH-Amundi right of first refusal on financing projects
Sanei Sangyo to build 2MW/8.2MWh grid-scale BESS in Tochigi and Kumamoto, orders PowerX batteries
SPARK
HDRE unit signs peak-time battery power supply deal with Chubu Electric Power Miraiz
Hulic commissions two 2MW/8MWh grid-scale BESS projects, targets 250MW portfolio by 2029
Saibu Gas, Fukuoka Bank sign MoU to collaborate on grid-scale battery storage development
SPARK
Rising Corporation to enter grid-scale BESS with two 2MW/8MWh acquisitions from Eneforward
Mizuho Leasing unit to build 10MW/40MWh grid-scale BESS in Hiroshima Prefecture, targets FY2029 COD

Thermal & nuclear

Weekly EIA update (February 3, 2026): one project begins process, two receive governor feedback
SPARK
Tohoku EPCO increases LNG-fired Joetsu Unit 1’s output by 27MW without equipment upgrades
SPARK
Hokkaido EPCO considers new LNG power plant, terminal in Tomakomai, eyes FY2035 commissioning
Kansai EPCO shuts down Takahama 2 for periodic inspection, plans mid-June 2026 restart
SPARK
TEPCO halts Kashiwazaki-Kariwa 6 shortly after restart due to control panel malfunction
SPARK
TEPCO restarts Kashiwazaki-Kariwa 6 for trial, plans brief shutdown before late-Feb. 2026 commercial operation
SPARK
Kyushu EPCO returns Sendai 1 to full-scale commercial operation, Unit 2 periodic inspection to begin this month
SPARK
Tohoku EPCO shuts down Onagawa 2 for inspection following record post-Fukushima daily nuclear output
SPARK
Tokyo Gas unit completes EIA for 1.95GW Chiba Sodegaura Natural Gas Power Plant, targets 2030 COD
NRA halts Hamaoka Units 3 and 4 safety review, weighs process restart over improper seismic data

Power system

Japan to hit lower end of 7th Basic Energy Plan renewables target, solar market to grow in 2030s: Fuji Keizai
SPARK
Japan Jan–June 2025 renewable curtailment hits H1 record, sets fiscal Q1 highs in four areas
TEPCO starts extra high-voltage substation site search to meet future data center load
SPARK
Kansai EPCO audits 14,942 grid connection consultation responses, finds capacity understatements in 37%
Chubu TSO area sees first grid curtailment due to congestion, Japan’s second
SPARK
Shikoku day-ahead price stuck at 0.01 yen/kWh as forest fire forces Chugoku-Shikoku interconnector shutdown
SPARK
Kyushu EPCO finds grid capacity understatements and other errors in 2,100+ preliminary consultations
Preliminary grid connection consultations triple in Q4 2024 amid BESS boom, Tokyo TSO area jumps fivefold
EPCO consortium sole eligible bidder for 2GW Hokkaido-Honshu link, OCCTO says
GE Vernova and Stonepeak eye investing in 2GW Hokkaido-Honshu interconnector project, Nikkei reports

Partnerships & transactions

Renewable Japan takes over Looop’s solar O&M business, adding 321MW to contracted capacity
SPARK
Environmentally Friendly Holdings unit signs MoU with Okitama Shin-Denryoku on regional decarbonization
SPARK
ICG acquires majority stake in Ray8 Energy, targeting 1GW of installed grid-scale BESS over five years
Second Foundation acquires Trina Solar’s Japan solar and BESS development platform amid vertical expansion
GreenEnergy & Company secures 2B yen loan from syndicate of Shikoku banks to fund renewables buildout
Tokyu Fudosan Holdings to reorganize renewables in FY2026, considers consolidation in FY2027 or later
AI Storm seeks 6B yen through stock warrant issuance, allocates majority to seven grid-scale BESS projects
SPARK
Virya Energy enters Japan with acquisition of BayWa r.e.’s local solar team and 60MWDC+ portfolio
Clean Energy Connect secures 3.7B yen in project finance for 25MWDC non-FIT low-voltage solar portfolio
SPARK
Kitahama Capital Partners, Erevista partner on grid-scale storage, renewables

Markets & trading

TOCOM to launch Chubu power futures in spring 2026 amid growing needs in Japan’s third largest TSO area
Gunvor starts trading Japan power futures, eyes physical market entry: Bloomberg
SPARK
Okinawa Cellular to enter power retail, may make Okinawa first area to lift regulated tariff: Denki Shimbun
SPARK
JEPX fixes FY2025 NFC auction schedule, plans four rounds between August 2025 and May 2026
JEPX June 2025 membership updates: power trading membership grows by 2, NFC by 4 members
PRO
EPRX June 2025 membership updates: 1 company joins, 1 exits Japan’s balancing market
Zero-yen bids dominate Japan’s first FY2025 solar auction, winning 36% of capacity and 67% of projects
EEX mulls daily Kansai area power futures: Denki Shimbun
SPARK
JEPX May 2025 membership updates: 4 power and 2 NFC trading members join, no members leave
PRO
EPRX May 2025 membership updates: 2 companies join Japan’s balancing market

Policy & regulation

METI power licenses and registrations: September 2025 retailer, TSO/DSO, generator, and aggregator changes
PRO
Aomori Prefecture begins taxing new solar, wind assets after ministerial approval
SPARK
METI, MLIT advance two offshore wind areas to Promising status, designate three new Preparatory Zones
SPARK
METI power licenses and registrations: August 2025 retailer, TSO/DSO, generator, and aggregator changes
PRO
METI to streamline FIT-to-FIP conversions with storage co-location from September 2025
SPARK
METI power licenses and registrations: July 2025 retailer, TSO/DSO, generator, and aggregator changes
PRO
METI, MLIT designate Matsumae and Hiyama as offshore wind Promotion Zones in preparation for Round 4
SPARK
METI considers requiring power retailers to secure kWh in advance to supplement capacity obligation
SPARK
METI power licenses and registrations: June 2025 retailer, TSO/DSO, generator, and aggregator changes
PRO
Hachijojima becomes Japan’s most remote offshore wind zone as METI, MLIT designate Izu Islands sites
SPARK

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