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On Energi

Electrical contractor building power lines, high-voltage cabling and control systems for industry and grid operators in Norway

Trondheim, NorwayFounded 2012onenergi.noWebsite technologies

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  • New on EvolcAdded 2026-10-28

About On Energi

ON Energi AS is an electrical contractor based in Trondheim, Norway. It delivers, builds and operates electrical installations, with work spanning energy engineering, high-voltage power systems and power line construction.

Services are organised into four divisions: Energy & Infrastructure; Energy Engineering, which covers control systems and medium-voltage installations; Elkraft, which covers high-voltage cabling, cable terminations up to 170 kV and circuit breaker installations; and ON Linje, which builds power lines up to 132 kV. The company serves mainly industry, commercial businesses, the public sector, grid companies and network owners, and regional grid companies are its main customers for power line work.

The company was founded in 2012 and is headquartered in Trondheim. Its website states that it is growing and invites contact from people interested in joining the team.

Product: Electrical installation, high-voltage cabling, control and medium-voltage systems, and power line construction services

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