Who is heliostorage?

Heliostorage’s journey began with a group of creative engineers in a garage, determined to make heating better and more efficient. We were driven by the age old issue caused by seasonality; In winter, when it’s cold and sunny days are rare, buildings need heating. In summer, when there’s plenty of sun, buildings need cooling.

Why do we design and manufacture batteries in Finland?

Our goal is to accelerate the shift by decarbonizing electricity, enabling electric transportation, and reducing heating emissions for a cleaner future. We design and manufacture our batteries in Finland, a country renowned for its engineering excellence and commitment to sustainability.

What is Wärtsilä energy storage?

Wärtsilä Energy Storage is driving the transition to a 100% renewable energy future. We combine time-tested technology with deep grid expertise, helping customers and the energy sector accelerate global decarbonisation.