Energiasalv

RheEnergise

This company develops high-density hydro energy storage systems using dense fluids for grid operators and industrial infrastructure owners with high power demands.

AquaBattery

This company develops saltwater flow batteries for long-duration energy storage, serving renewable energy providers and industrial grid operators.

Sizable Energy

This company develops offshore pumped-hydro storage systems for energy utilities, grid operators and renewable energy developers.

ESTOR-LUX

This company develops and operates large-scale battery energy storage systems to provide grid flexibility services for electricity transmission system operators.

Baltic Storage Platform

This company develops large-scale battery energy storage systems to provide grid stability and frequency regulation services for the Baltic electricity market.

Sizable

This company develops long-duration offshore pumped hydro storage systems using deep-sea gravity and brine reservoirs for grid operators and energy providers.

SINERGY FLOW

The company develops sulfur-based redox flow batteries for long-duration energy storage to support electricity grids and renewable energy providers.

Quidnet Energy

This company develops geomechanical pumped hydro storage systems for electric grid operators and utility providers to enable long-duration energy storage.