Accelerating the Renewable Energy Revolution.
ESS Inc. provides safe, environmentally sustainable, energy storage technologies and services that are transforming the industry and accelerating the adoption of renewable energy globally. Learn More
Our battery performance is now insurable - we're paving the way for renewable energy
ESS Inc. has partnered with Munich RE to launch industry-first insurance coverage of its flow batteries. The innovative policy means our long-duration storage solutions are now backed by a full 10-year performance guarantee, regardless of project size or location. Learn More
Further Beyond Four Hours
Energy storage demand is growing significantly. Our latest white paper describes the applications that electrical energy storage is tasked with performing, provides insight into which long-duration storage applications provide the best return on investment, and what technologies are best suited for long-duration storage. Download White Paper
Calculate Your Cost Savings
Cost is a critical factor when determining whether an energy storage application makes economic sense. Use our LCOS formula to learn how we can help you to lower your energy storage costs. Work Out Your Cost of Storage