About
Founded in 1986, Tvis is a renewable energy company headquartered in Fredericia, Denmark specializing in Biomass, Biogas, Energy Storage.
Tvis is a district heating (fjernvarme) company operating in the Trekantområdet (Triangle Area) of Denmark. Established in 1986, the company manages a transmission network connecting nine independent district heating companies across Fredericia, Kolding, Vejle, and Middelfart municipalities. Tvis sources heat from multiple suppliers: Crossbridge Energy Fredericia (surplus heat from industrial cooling and refining), Skærbækværket (sustainable biomass plant co-owned by Ørsted), Energnist Kolding (waste-to-energy facility), Fredericia Spildevand (biogas from wastewater treatment), and Vejle Spildevand (heat recovery from wastewater). The company operates 139 km of transmission pipelines and 64 stations, including 45 heat exchanger stations, 12 pump stations, and 7 valve stations. Total heat supply reaches approximately 150,000 equivalent households annually. Recent expansions include connections to Vamdrup (2020-2021, reducing CO2 by 93%), and Jelling/Bredsten-Balle (2021, reducing CO2 by 93%). Tvis is transitioning away from fossil fuel backup systems and investigating renewable heat sources for peak-load generation.
Headquarters
Fredericia, Denmark
Founded
1986
Business Models
Value Chain
Service Regions
Trekantområdet (Triangle Area), Fredericia Kommune, Kolding Kommune, Vejle Kommune, Middelfart Kommune