Data on Japan's power and infrastructure markets
Starting with grid-scale battery storage: every project we can find, with its developer, grid area, capacity and sources. Data centres, JEPX prices, FIP/FIT and simulation tools are being added.
Datasets and tools
Grid-scale battery projects with developers, grid area, capacity, COD and sources.
In developmentData centresデータセンターData centre projects in Japan, with location, capacity and power supply.
In developmentJEPX power markets日本卸電力取引所Spot and intraday prices from the Japan Electric Power Exchange, by area.
In developmentPPA & tolling電力購入契約・トーリングOfftake agreements for storage and renewables in Japan: PPAs, tolling and capacity contracts, with counterparties, terms and sources.
In developmentFIP / FIT固定価格買取・フィードインプレミアムCertified renewable projects and tariff data under the FIT and FIP schemes.
In developmentBESS simulation蓄電所シミュレーションModel battery revenue and dispatch against market prices.
Latest news
- 2026-10-14日経BP
Project finance for high-voltage battery storage sites: Nippon Chikudenchi secures financing for 7 sites nationwide
Nippon Chikudenchi announced on October 8 a non-recourse project finance agreement, with SMTB Lease as senior lender, for a grid-scale battery storage business co-developed with Remixpoint covering seven high-voltage storage facilities across Japan. The facilities, held by SPC NC Pioneer LLC, expect revenue from the balancing, wholesale and capacity markets. The article also reports recent milestones at the company's Shunan, Maniwa and Kainan storage sites.
- financing closed; portfolio of 7 sites (individual sites operating / under construction)
- 日本蓄電池
- リミックスポイント
- SMTBリース
- ecoプロパティーズ
- 合同会社NCパイオニア
- CATL
- TMEIC
- デジタルグリッド
- 中電工
- ワイ・ジャスト
- 2026-10-14新電力ネット
Marubeni New Power and Sun Village complete entry into the balancing market with four grid-scale battery projects totaling 8MW/32MWh
Marubeni New Power and Sun Village announced that all four of their jointly developed grid-scale battery projects in Tochigi and Saitama prefectures had entered the balancing market by September 2026. The projects total 8MW of output and 32MWh of storage capacity. Sun Village develops and owns the sites, while Marubeni New Power acts as aggregator.
- operating
- 栃木県足利市、埼玉県本庄市、埼玉県寄居町
- 8 MW
- 32 MWh
- 丸紅新電力
- サンヴィレッジ
- 2026-10-14新電力ネット
Marubeni New Power and Sun Village complete entry into the balancing market with four grid-scale battery projects totaling 8MW/32MWh
Marubeni New Power and Sun Village announced that all four of their joint grid-scale battery projects in Tochigi and Saitama prefectures had entered the balancing market by September 2026, totaling 8MW and 32MWh. Sun Village develops and owns the sites, while Marubeni New Power acts as aggregator handling market bidding and operation.
- operating
- 栃木県足利市、埼玉県本庄市、埼玉県寄居町
- 8 MW
- 32 MWh
- 丸紅新電力
- サンヴィレッジ
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