Komori
Other Disclosures9517eREX Co.,Ltd.Electricity and gas

Commercial Operation Begins at First Grid-Scale Battery Storage Project: 2 MW/8 MWh Facility Starts Operations in Kushima City, Miyazaki Prefecture

The grid-scale battery storage facility in Kushima, Miyazaki Prefecture, completed trial operations and began commercial operation on 7 April 2026. The facility has approximately 2 MW of output and approximately 8 MWh of storage capacity, and is intended to operate across multiple electricity markets.

Worth reading
63In focus
0–100. This measures how worthwhile something is to read, not how good or bad the company is.
Direction
Improvement
Direction inferred from the company’s description.
Scale
1998
kW (rated output)
Wording
Conditional
How definitive the wording is.

Announced details

Miyazaki Prefecture Kushima Battery Storage Facility, grid-scale battery storage business, aggregation business
Applicable field (uses covered by this announcement)

Balancing market, capacity market, wholesale electricity market, and provision of balancing capacity for fluctuations in renewable energy output

Launch date7 April 2026 (commercial operation commenced; actual date)
Relationship between the counterparty and the company
eREX Co.,Ltd.9517
Relationship with the Company

eREX Co.,Ltd. owns 100% of 宮崎県串間市蓄電所蓄電所合同会社. The company is responsible for operating and controlling the battery storage facility as the aggregator.

Location (as indicated in this announcement)

Minamikata, Kushima, Miyazaki Prefecture

Rated output: 1,998 kW; rated capacity: 8,128 kWh; site area: 1,887 m²
Impact on Business Performance

The company aims to establish and expand the earnings base of its battery storage business. The specific impact on financial results is Not disclosed.

The company does not address Contract Value / Offering price.

Announced details
ItemDetails
Names of Products / Services CoveredMiyazaki Prefecture Kushima Battery Storage Facility, grid-scale battery storage business, aggregation business
Relationship with the CompanyeREX Co.,Ltd. owns 100% of 宮崎県串間市蓄電所蓄電所合同会社. The company is responsible for operating and controlling the battery storage facility as the aggregator.
Launch date7 April 2026 (commercial operation commenced; actual date)
Applicable areaBalancing market, capacity market, wholesale electricity market, and provision of balancing capacity for fluctuations in renewable energy output
LocationMinamikata, Kushima, Miyazaki Prefecture
Location scaleRated output: 1,998 kW; rated capacity: 8,128 kWh; site area: 1,887 m²
Impact on Business PerformanceThe company aims to establish and expand the earnings base of its battery storage business. The specific impact on financial results is Not disclosed.
Items this document does not state (11)
CounterpartyCounterparty overviewContract ValueOffering priceContract DateAward/certification nameAwarding / certifying bodyRegistration number and expiry dateQuantitative EffectsUsage historySource

These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.

The reasons the company gives

The company's own explanation, not something inferred from the numbers.

Because the company verified the facility's charging and discharging response performance, integration with the grid control system, safety equipment and protection functions, and confirmed that it meets the prescribed performance and safety requirements.

How to read this page

This is not the documentKomori reads the disclosure the company filed and writes this summary. Figures are as stated by the company and are not audited.
Weight is not a verdictIt measures how much this changes what the company had already told the market. It is not a view on the shares.
Corrections happenIf the company reissues this disclosure, the page is rebuilt from the corrected version and the revision number moves up.
Commercial Operation Begins at First Grid-Scale Battery Storage Project: 2 MW/8 MWh Facility Starts Operations in Kushima City, Miyazaki Prefecture | eREX Co.,Ltd. (9517) timely disclosure | Komori