Advances in battery technology and the opening of reserve markets have made energy storage systems (BESS) attractive investments. Terawatt is an experienced partner in delivering energy storage solutions across Finland. We serve both C&I-scale projects and large, megawatt-scale systems connected directly to the transmission grid.
Why choose Terawatt?
Experienced partner
We have installed C&I-scale battery energy storage systems in a wide range of properties, both as indoor installations and outdoor systems. By the end of 2025, we will have installed more than 20 MWh of battery capacity across Finland.
Strong project management
We understand the challenges and opportunities of projects. Our efficient project management ensures smooth project delivery – in battery projects, time is quite literally money!
Proven employee and customer satisfaction
Our committed and highly skilled personnel are the foundation of successful projects. Our high level of employee satisfaction (eNPS 60+) is directly reflected in the quality of our work and the customer experience (NPS 73).
A Financially sound company
Terawatt has 20 years of experience in demanding electrical contracting projects. As part of the Habeo Group, we are a financially sound and reliable partner, capable of confidently delivering even large-scale investment projects and supporting you well into the future.
We deliver your energy storage solution
Contact us
Contact us when you need an experienced partner to take your energy storage project from the starting line all the way to the finish. We’re here to help you succeed!