With our proprietary Offshore Energy Storage Solution
store energy where it is produced,
deliver it when needed.
FLASC HPES (Hydro-Pneumatic Energy Storage) is a proprietary offshore energy storage solution.
Designed specifically for offshore applications: safe, reliable and cost-effective.
Designed specifically for offshore applications: safe, reliable and cost-effective.
FLASC HPES stores energy using pressurised seawater and compressed air.
combining patented innovations.
Pneumatic Pre-Charging

- 100x Higher Energy Density: a scalable solution with a compact offshore foot-print (100 times smaller than the competition) and a significantly lower capital cost.
The Ocean as a Natural Heatsink

- 70-75% High Round-Trip Efficiency: without the additional cost and complexity of active thermal management systems implies that our end clients can extract 10-15% more value from each system.

HPES is the first solution tailored for
co-location of large-scale energy storage with offshore wind
Hydro-Pneumatic Energy Storage by FLASC will boost the growth and profitability of this critical clean energy source.
proven innovation
+400
Charging Cycles
+98%
System Availability
>96%
Thermal Efficiency
FLASC HPES converts electricity into hydraulic power during charging and back to electricity during discharging.
“FLASC’s solution is an innovative technology with significant potential, offering a competitive and more sustainable alternative to Li-ion battery farms.”
Thomas Sunde, VP Strategy & Technology, Subsea7.
Offshore Wind Developers enjoy the benefits of our modular approach.
Scalability & Versatility
FLASC can be deployed in a range of configurations. Any configuration consists of two core modules.
ECU
Energy Conversion Unit

- Modular electrical interface housing pumps, turbines and power conversion equipment.
PCS
Pressure Containment System

-
Storage volume housing
pressurized seawater and compressed air.

- (1) bottom-fixed wind;
- (2) offshore PV;
- (3) floater-integrated;
- (4) stand-alone centralized unit;
- (5) in a repurposed existing offshore pipeline.
FLASC can be deployed in a range of configurations:




