Tenvoltti
Solar PV and battery systems for homes and businesses in Lahti and southern Finland, from design to installation
Highlights
- New on EvolcAdded 2026-11-03
About Tenvoltti
Tenvoltti Oy designs, sells and installs solar photovoltaic systems and energy storage batteries for homes and businesses. Services include site-specific system design, installation of panels, inverters, mounting systems and batteries, commissioning and user training, and ongoing maintenance and monitoring.
The customers are property owners, including homeowners and businesses. Revenue comes from selling and installing solar systems and from maintenance services. The company also handles building notifications, permits and grid connection matters for its customers.
Tenvoltti was founded in 2018 and is headquartered in Lahti. It operates in Lahti and the wider southern Finland region and lists Motiva, Fingrid and Venienergia among its cooperation partners.
Product: Turnkey solar PV systems with design, installation, commissioning, batteries and maintenance for homes and businesses.
Jobs at Tenvoltti
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Website technologies
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Website detection does not establish a paid subscription or company-wide use. Tools loaded after consent or sign-in may be missed. “No longer observed” does not prove the company stopped using a tool.
