Downing Renewable Developments (DRD) has secured legally binding building permits for its 120 MWp Relletinsuo Solar Project in Siikajoki, Northern Ostrobothnia, Finland, following the recent obtention of siting permits. The approval makes Relletinsuo the first DRD renewable energy project in Finland to reach this milestone.

Project Scale and Timeline

Covering approximately 150 hectares, Relletinsuo is expected to have a generation capacity of around 120 MWp and will be co-located with a 40 MW/160MWh battery energy storage system (BESS).

This combination makes it one of the largest solar projects in Finland and the largest hybrid solar and storage project in the country. The project is currently in the pre-construction phase, with construction expected to begin in summer 2027 and commercial operations targeted to commence in the fourth quarter of 2028.

Company Response

Tony Gannon, Head of Downing Renewable Developments, said the milestone marks another important step forward for the company's activities in the Nordics. He noted that DRD continues to see attractive opportunities in Finland and Sweden and is building its presence and project pipeline across the region.

Taina Hyppola, Head of Downing Renewable Developments Finland, said that securing the legally binding building permits represents an important milestone both for the project and for DRD in Finland.

She highlighted that the planned 120 MWp of solar generation alongside battery energy storage demonstrates the scale of the company's ambitions in the Finnish market.

Hyppola also thanked the municipality, landowners, and neighbors and said DRD looks forward to working with key project stakeholders, including local communities, as the project progresses through the next stages of development towards construction.

Grid Infrastructure and Land Use

The location of the Relletinsuo Solar Project supports national land use objectives through maximising the use of existing grid connection infrastructure. An existing 110 kV transmission line is located immediately east of the project area.

Economic and Environmental Role

According to the company, the project will play a key role in supporting the green transition and supports Finland's goal of achieving carbon neutrality by 2035. Relletinsuo Solar is described as a significant investment in the area that will boost the region's economy, including through real estate tax revenue and DRD's proposals to support the wider community.

The project is also expected to have a significant impact on employment, particularly during the construction phase. The company states that solar power remains one of the most cost-effective and environmentally friendly ways to produce energy.

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