Renetec Oy and Monsson strengthen strategic cooperation on energy storage development in Finland

Renetec Oy, a subsidiary of Dovre Group Oyj, and Monsson Energy AB have signed a Term Sheet outlining the framework for cooperation on a 10 MW/20 MWh battery energy storage project in Nakkila, Finland. The parties have also entered into a Memorandum of Understanding (MoU) covering broader collaboration in the fields of Asset Management, Development, O&M services, and support in facilitating EPC across future renewable-energy projects in Finland.

This initiative marks a significant step toward a long-term partnership between the two companies, combining Renetec’s development capabilities and local expertise with Monsson’s proprietary Storage System Technology – a 20 MWh unit designed and optimized for Nordic conditions. The agreement also represents the first commercial sale of an energy storage project fully developed by Renetec.

Monsson’s solution features a non-containerized design, where batteries are housed in a purpose-built, insulated warehouse structure. This approach ensures superior temperature control, increased system efficiency, and extended battery lifetime, while maintaining high safety and quality standards. All core components are manufactured in Europe, ensuring resilience and supply-chain reliability.

Sanna Outa-Ollila, Chair of the Board of Directors at Renetec, comments: “We are very pleased to have found an innovative partner that brings its own technology and expertise to the Finnish market. This partnership is a valuable step forward for Renetec as we continue developing our well-curated portfolio of BESS projects. I would also like to acknowledge the Renetec team for their persistence and skills to identify the optimal location for the project and to reach Ready-to-Build status on a tight timeline.”

Joanna Lillequist, CEO of Monsson Energy AB, commented: “Our collaboration with Renetec and Dovre Group represents a meaningful expansion of Monsson’s activities in the Nordics and demonstrates our commitment to providing locally adapted, high-performance storage solutions. The Finnish market stands out for its technical maturity and reliability standards, which align perfectly with our design philosophy – robust, efficient, and built to last. Through this partnership, we are not only introducing our proprietary harsh-climate adapted technology but also building a long-term framework for cooperation that spans development, EPC facilitation, and operational excellence. We see this as the foundation for a sustained contribution to Finland’s energy transition and grid stability.”

The companies will continue joint work toward final purchase agreement and the start of construction, expected in early 2026, subject to completion of remaining preparations and permitting.

Renetec Oy, a subsidiary of Dovre Group Oyj, develops renewable-energy projects in Finland, with a growing portfolio covering solar and battery energy storage assets.

Monsson Energy AB is part of the Monsson Group, one of Europe’s leading renewable-energy developers. With over two decades of experience in wind, solar, and energy storage, Monsson delivers innovative and sustainable solutions tailored to the most demanding environments.

For further information, please contact:

Dovre Group Plc
Sanna Outa-Ollila, Acting CEO
Tel. +358 40 774 1020
sanna.outa-ollila@dovregroup.com