- BESS
PowerX to Supply BESS for Six Battery Farms Developed by Nomuraya Holdings
2026.02.09
TOKYO, JAPAN — PowerX, Inc. (Head Office: Tamano City, Okayama Prefecture; Director, President and CEO: Masahiro Ito; Securities Code: 485A) announced that it will supply a total of 18 units of its battery energy storage systems (BESS) across two models, totaling 48.6 MWh in capacity, to six battery farms being developed by Nomuraya Holdings (Head Office: Ueda City, Nagano Prefecture; Representative Director: Kenta Nomura).
The battery farms are located in Nagano, Gifu, and Shizuoka Prefectures and are scheduled to commence operations sequentially from spring 2026. The selected products are the “Mega Power 2700A” and the “Mega Power 2500.” Each site will be connected to power grids in the Tokyo and Chubu areas, charging during periods of excess supply and discharging during periods of high demand to stabilize the power supply-demand balance.
PowerX will continue to contribute to achieving carbon neutrality in Japan by providing BESS solutions developed and manufactured domestically.
Details of the supply are as follows.
1. Systems Selected
A total of 18 units of PowerX’s Grid-Scale Battery Energy Storage Systems:
15 units of “Mega Power 2700A”
3 units of “Mega Power 2500”
2. Battery Farms Deploying the Systems
Installation Site | System | Units | Storage Capacity | PCS Output |
Ueda City, Nagano Prefecture | Mega Power 2700A | 3 | 8,226 kWh | 1,999 kW |
Saku City, Nagano Prefecture | Mega Power 2700A | 3 | 8,226 kWh | 1,999 kW |
Nagawa Town, Chiisagata District, Nagano Prefecture | Mega Power 2700A | 3 | 8,226 kWh | 1,999 kW |
Ono Town, Ibi District, Gifu Prefecture | Mega Power 2500 | 3 | 7,521 kWh | 1,999 kW |
Fuji City, Shizuoka Prefecture | Mega Power 2700A | 3 | 8,226 kWh | 1,999 kW |
Nishiizu Town, Kamo District, Shizuoka Prefecture | Mega Power 2700A | 3 | 8,226 kWh | 1,999 kW |
3. Commercial Operation Start Date
Scheduled to commence operations sequentially from spring 2026
4. System Specifications
“Mega Power 2700A”
Size: 20-foot container (ISO standard)
Battery Type: Lithium Iron Phosphate (LFP)
Nominal Capacity: 2,742 kWh (per unit)
Place of Production: Tamano City, Okayama Prefecture, Japan
“Mega Power 2500”
Size: 10-foot container (ISO standard)
Battery Type: Lithium Iron Phosphate (LFP)
Storage Capacity: Nominal Capacity: 2,507 kWh (per unit)
Place of Production: Tamano City, Okayama Prefecture, Japan
This document has been translated from the Japanese original for reference purposes only. In the event of any discrepancy between this translated document and the Japanese original, the original shall prevail.