TrønderEnergi is a power company based in Trondheim Norway that operates hydroelectric power plants and wind farms as well as the power grid in parts of Sør-Trøndelag. The grid encompasses nine municipalities with total 1 700 km high current and 2 700 km low current grid to 24 000 customers. Total electricity production is 1 284 GWh. The company is entirely owned by 20 municipalities as well as Nordmøre Energiverk though organized as a limited company.
Key people are Per Kristian Skjærvik Chairman and Rune Malmo (CEO).