Grid-Scale Energy Storage
Overview
Turning grid balancing into lasting revenue.
Turnkey infrastructure development.
Grid-scale Battery Energy Storage Systems (BESS) are the next generation of energy assets, supporting grid stability while delivering commercial value. Our turnkey framework streamlines the entire lifecycle—from site acquisition and grid connection to design, procurement, construction, and final handover.
Feature
Technical Expertise & Implementation
Our comprehensive approach covers the design, equipment selection, and engineering required for high-voltage grid connections. Tailored configurations based on operational needs ensure stable connectivity and reliable operations.
Total Capacity
64
MW
256
MWh
High-Voltage Storage
7
Sites
*2026 Scheduled Completion
Ultra-High-Voltage Storage
1
Sites
*2030 Scheduled Completion
High-Voltage Storage
Suzaka City, Nagano
2MW/8MWh
Approx. 300㎡
Nagasaki City, Nagasaki
2MW/8MWh
Approx. 400㎡
Tome City, Miyagi
2MW/8MWh
Approx. 400㎡
Toyohashi City, Aichi
2MW/8MWh
Approx. 370㎡
Omaezaki City, Shizuoka
2MW/8MWh
Approx. 400㎡
Kainan City, Wakayama
2MW/8MWh
Approx. 540㎡
Mino City, Gifu
2MW/8MWh
Approx. 500㎡
Ultra-High-Voltage Storage
Under Development
Miyagi
50MW/200MWh
Approx. 8571㎡
For illustrative purposes only.
Development Process
Process / Full-service EPC for grid storage. Our integrated framework covers assessment, design, procurement, and construction. Forward-looking project design combined with seamless handover ensures a frictionless transition to market operations.
1
Plan & Design
Consolidate essential data for investment decisions and initiate the storage facility project.
Structure frameworks
Select potential sites
Negotiate & execute landowner contracts
Evaluate feasibility & calculate IRR
Leverage government subsidies
2
Connect & Secure Permits
Execute all necessary regulatory procedures for grid connection.
Assess grid connection feasibility
Apply for grid impact studies
Finalize connection agreements
Obtain required regulatory permits
3
Design Systems & Procure Equipment
Engineer basic and advanced designs tailored for market optimization (wholesale, balancing, and capacity markets), while managing critical equipment procurement.
Optimize capacity (MW/MWh)
Design PCS & EMS systems
Select battery manufacturers
Procure specialized containers
Manage global supply chains
4
Build & Construct
Execute full-scale construction via SODEN Group construction affiliates, delivering turnkey installation from foundation work, electrical engineering, and container placement to final grid tie-in and commissioning tests.
5
Handover & Deploy
Transfer project ownership swiftly upon successful completion of final inspections, grid energization checks, and rigorous operational trials.
Consultation & Quotes
Contact us by email to discuss your needs in detail with our team. Feel free to contact us.
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