Primeo Energie is continuing to expand its heating business. The company is acquiring majority stakes in Renercon Energie AG and Renercon Huttwil AG, adding four district heating networks in the cantons of Zurich and Bern to its portfolio. The change in ownership will have no impact on existing customers.

On 9 November 2026, Primeo Energie signed an agreement in Zurich to acquire majority stakes in two heating companies. Under the agreement, Primeo Energie will acquire approximately 97% of Renercon Energie AG and 70% of Renercon Huttwil AG. The stakes were previously held by the UBS Clean Energy Infrastructure Switzerland 2 infrastructure fund, managed by Swiss Life Asset Managers.

Renercon Energie AG owns the district heating networks in Bonstetten, Hedingen and Eglisau in the canton of Zurich. Renercon Huttwil AG owns the district heating network in Huttwil in the canton of Bern. The four networks, which include both existing infrastructure and systems undergoing expansion, currently serve approximately 1,900 residential units. They also supply heat to public facilities and commercial and industrial customers. The networks primarily use renewable energy sources, particularly locally sourced wood.

Expanding the heating business

The acquisition strengthens Primeo Energie’s position in the heating sector in the cantons of Zurich and Bern. The four district heating networks have established customer relationships and offer opportunities to increase connection density and connect additional buildings. They also extend the geographical reach of Primeo Energie’s existing heating portfolio.

“We are making targeted investments in existing heating infrastructure and aim to develop it further together with our partners. This will lay the foundations for supplying even more buildings with renewable heat in the future,” says Michael Schneider, Managing Director of Primeo Wärme AG.

No changes for customers

Renercon Energie AG and Renercon Huttwil AG will remain independent legal entities. The existing minority shareholders, including Renercon Genossenschaft für erneuerbare Energie, will also retain their stakes. All existing heat supply contracts will remain valid. The change in ownership will therefore have no impact on customers.

Media contact: Viktor Sammain, PR Editor, tel. +41 61 415 41 08, email: medienstelle@primeo-energie.ch