Data Center & Energy Storage Solutions
Battery storage and AI data centres
SGHS delivers BESS installations and data centre infrastructure from concept to commissioning, with immersion-cooled batteries built for safe operation and financing from 125 kW to 50 MW+.
Technology and production from Kortrong, who built the world's first mass-produced immersion-cooled ESS.
Immersion Cooling BESS is certified to
- IEC 62619
- IEC 62477
- IEC 61000
- EN 50549-1
- UL 1973
- UL 9540A
- UN38.3
What we work with
BESS and AIDC with one single partner
We take part from the early concept through to delivery and commissioning, as main supplier or as technical partner on selected areas.
Immersion cooling Battery cells submerged in dielectric fluid Read more about Immersion cooling 
BESS Battery storage for grid, industry and renewables Read more about BESS 
BESS for wind turbines More revenue and lower imbalance costs from the turbine Read more about BESS for wind turbines 
Critical infrastructure Backup power and island mode for functions that cannot go down Read more about Critical infrastructure 
AIDC Power, storage and cooling for AI data centres Read more about AIDC 
Liquid cooling Cold plate cooling for BESS of every size Read more about Liquid cooling
Immersion cooling
The battery of the future is immersion-cooled
The battery cells are submerged completely in a non-conductive, non-flammable dielectric fluid. Instead of cooling from the outside, the cells are cooled directly, which gives markedly better heat dissipation and even temperature control.
- No more than 2 °C temperature difference between the cells
- Considerably lower risk of thermal runaway
- Longer lifetime and lower operating costs
- Cold supply
- Warm return
- Dielectric fluid
The battery pack in 3D. The cells sit in five packs, all fully submerged. Drag to rotate the model, scroll to zoom.
Introduction film
Meet SGHS Powered by Kortrong
An introduction to SGHS and our work with energy storage and data centre infrastructure.
How it works
The fluid surrounds every single cell
Cold dielectric fluid enters at the bottom of the cabinet, rises through the gaps and surrounds every cell. The fluid absorbs the heat on its way and leaves the cabinet at the top as warm return.
- Full isolation from air removes combustible media and open flame
- The BMS monitors internal resistance and short circuits in real time
- The suppression system releases inert gas if anything is out of order
- Cold supply
- Warm return
- Dielectric fluid
Cross-section of the cabinet. The cells sit in five battery packs, all fully submerged.
Project execution
From order confirmation to commissioning
One point of contact all the way, where engineering, installation and schedule hang together from start to finish.
Delivery and financingTrin 0: Order confirmation and mobilisation
Trin 1: Design and overall schedule
Trin 2: Design approval and procurement
Trin 3: Production
Trin 4: Internal testing
Trin 5: FAT testing at the factory
Trin 6: Shipment
Trin 7: Delivery, commissioning and on-site support
Kortrong's immersion technology in numbers
- immersion-cooled installations worldwide
- 3 GWh+
- scalable from 125 kW
- 50 MW+
- lifetime against air-cooled batteries
- +30 %
- thermal containment with triple defence
- < 80 °C
BESS
Turn energy costs into revenue
A battery installation moves the energy infrastructure from a cost line to an asset that works for the business.
Talk to us about your consumptionEnergy arbitrage
Buy power when prices are low and use it when they peak.
Peak shaving
Cut the peaks and reduce demand charges significantly.
Renewable integration
Unlock the full return on solar and other green generation.
Grid services
Create new revenue through frequency regulation and grid balancing.
Security of supply
Keep critical operations running on reliable backup power.
Financing
Financing can be part of the delivery or a solution in its own right.
Let us talk about your next project
Whether the project is about AI data centres, BESS, industrial power solutions or critical infrastructure, we deliver complete solutions designed for long life, safety and scalability.
- Phone +45 60 19 33 44 +45 51 22 17 23
- Email niels@sghs.dk
- Address Fabriksvej 6, 4200 Slagelse