PowerX Battery Energy Storage System Selected for JAPEX’s Tomakomai Project

TOKYO, JAPAN — PowerX, Inc. (Head Office: Tamano City, Okayama Prefecture; Director, President and CEO: Masahiro Ito, hereinafter "PowerX") announces that 39 units of its "Mega Power 2700A" grid-scale battery energy storage system (BESS), totaling 106.9 MWh in capacity, have been selected for a grid battery farm project being developed in Tomakomai City, Hokkaido by Japan Petroleum Exploration Co., Ltd. (Head Office: Chiyoda City, Tokyo; President and CEO: Michiro Yamashita, hereinafter "JAPEX").

The new "JAPEX Tomakomai Battery Energy Storage System" will be the first extra-high voltage battery farm developed by JAPEX and is scheduled to commence operation around autumn 2027. The facility will connect to the power grid in the Hokkaido area to help stabilize the supply-demand balance and support the greater adoption of renewable energy in the region.

This project has been selected to receive a subsidy from the Ministry of Economy, Trade and Industry (METI) and the Agency for Natural Resources and Energy (ANRE) under the "FY 2024 Subsidy Program for Supporting the Introduction of Energy Storage Systems to Promote the Adoption of Renewable Energy."

PowerX will continue to contribute to achieving Japan's carbon neutrality goals by providing its domestically developed and manufactured BESS.

1. System Selected

A total of 39 units of PowerX's "Mega Power 2700A" BESS

2. Installation Site

"JAPEX Tomakomai Battery Energy Storage System" (Numano-hata, Tomakomai City, Hokkaido)

3. BESS Overview

Number of Battery Containers: 39 units
Storage Capacity (Nominal): 106.9 MWh (equivalent to the daily electricity consumption of approximately 10,000 average households)
PCS Output: 20 MW
EPC (Engineering, Procurement, and Construction): KYOCERA Communication Systems Co., Ltd.

4. Commercial Operation Start Date

Scheduled for Autumn 2027

5. "Mega Power 2700A" Specifications

Size: 20-foot container (ISO standard)
Battery Type: Lithium Iron Phosphate (LFP)
Storage Capacity (per unit): Nominal Capacity: 2,742 kWh / Rated Capacity: 2,468 kWh
Place of Production: Tamano City, Okayama Prefecture, Japan