Finnish offshore wind extension project opens consultation

In: Windfarms
Suomen Hyötytuuli Oy has published the environmental impact assessment report for its Tahkoluoto offshore wind extension project in the icy Finnish waters of Pori.

Suomen Hyötytuuli Oy plans to extend the existing 42 MW
Tahkoluoto wind farm which was built in 2017 and produces about 155 GWh of electricity per year.

The environmental impact assessment report (EIA report) for the proposed
extension is now open for consultation until 30th April. The EIA report presents information about the project and a coherent assessment of likely significant effects on the environment.  

Two design options are included in the EIA:

1 - Up to 40 turbines with unit capacity of 11-20 MW, 250 metre rotor diameter, and 310 metre tip height built in 128 km2 area

2 - Up to 45 turbines with unit capacity of 11-20 MW, 250 metre rotor diameter, and 310 metre tip height built in 135 km2 area

The EIA report is expected to be approved by the Centre for Economic Development, Transport and the Environment of Southwest Finland (ELY) by the end of June.

In January, at the request of Suomen Hyötytuuli Oy, the Pori City Government decided to start preparing a partial master plan for the extension project area. The Pori City Government made the draft general master plan publicly available on 29th March. The area to be zoned is located at sea at the nearest distance of about 4 km from the Tahkoluoto port area and 30 km northwest of the centre of Pori. The area is bounded on the north by the municipal boundary of Merikarvia.  

According to the project team the water permit and building permit are expected to be awarded end-Q1 2022. First power is expected in 2025, with full commissioning in 2026.

Tahkoluoto’s sea area in front of the port of Pori and the industrial area, the infrastructure, and the wind conditions are perfectly suited for the production of offshore wind power. But the cold and icy conditions require special technical solutions.

The extension project in line with Finland's climate targets, which, if implemented, will produce an estimated 1,000–1,900 GWh of carbon-neutral electricity per year.

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