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Sustainable innovations

Building the world’s most resource-efficient region

In a world with limited resources and accelerating climate change, Tekniska verken is taking greater responsibility. Our vision is clear: to build the most resource-efficient region in the world.

We focus on circularity, ensuring that as many resources as possible stay in use and as little as possible goes to waste. Sometimes we refine or recreate resources. Other times, we act as a link – helping actors share and use each other’s resources more efficiently.

At the same time, we are driving innovation for a sustainable future. We have a major responsibility to keep society running, today and tomorrow. To meet the demands of a fossil-free 2045, we are investing in new solutions – every day.

Expanding renewable electricity

Biogas Production in Linköping

Linköping has more than 20 years of experience in producing fossil-free, renewable biogas. We operate the largest co-digestion plant in the Nordic region, with an annual production of 120 GWh. The raw materials include household waste from around 20 municipalities, as well as sewage sludge, industrial waste, and waste from slaughterhouses and the food industry.

Turning waste into valuable resources

Biogas production delivers two climate-friendly products:

  • Biogas, which replaces fossil fuels and reduces greenhouse gas emissions

  • Biofertiliser, which replaces artificial fertilisers and returns nutrients to the soil

It is a closed cycle that transforms household and community waste into renewable energy and sustainable agriculture.

A few of our innovations in short