Terawatt

About

Founded in 2004, Terawatt is a private headquartered in Vantaa, Finland with approximately 100-200 employees specializing in Solar, Energy Storage.

Terawatt Oy is an electrical contracting company founded in 2004 by Jussi Holma, Aapo Holma, and Hannes Kokko. With over 20 years of experience and more than 120 professionals, the company provides comprehensive electrical contracting services across Finland. Core offerings include solar power installations, energy storage solutions, EV charging systems, medium-voltage work, electrical system renovations for residential and commercial buildings, and data center electrical infrastructure. The company serves apartment buildings, businesses, industrial operations, and logistics facilities. Terawatt joined the Habeo Group in autumn 2024 while maintaining local, entrepreneur-driven operations. Notable projects include a 15 MW data center, Utajärvi 106.8 MWp solar park, and numerous residential and commercial installations.

Projects