Power plantPower & energy

Reene Energy and Appletree to develop grid-scale battery storage facility in Kakegawa

Reene Energy Co., Ltd.Kakegawa, ShizuokaPublished Sep 1, 2026

InvestmentNot disclosed

PhasePlanned

StartOct 2026

CompletionApr 2027

Pre-construction

Construction

Today

2027

Construction starts in about 1 months; completion is scheduled about 6 months from now.

Reene Energy and Appletree will jointly develop a grid-connected battery storage facility in Kakegawa, Shizuoka, to store surplus renewable electricity and discharge it during evening demand peaks. Reene Energy will own and operate the facility, while Appletree will provide EPC services; construction is scheduled to start in October 2026, with operations targeted during FY2027.

Project facts

Owner: Reene Energy Co., Ltd.
Listing: 3289 Tokyo
Facility: Power plant
Sector: Power & energy
Location: Kakegawa, Shizuoka, Japan
Investment: Not disclosed
Scale / capacity: 2 MW rated output; 8.2 MWh storage capacity
Contractor: Appletree Co., Ltd.
Equipment / vendor: Sungrow
Construction start: Oct 2026
Completion: Apr 2027
Announced: Aug 31, 2026
Themes: power-grid, renewable-energy

Figures and schedules are as announced by the company or the public body concerned; plans can change. Amounts that were not disclosed are recorded as not disclosed, never estimated.

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