Media
Contact persons for media
Press releases
Press releases concerning Arenso are available at ePress by searching for “Arenso”.
Members of the board
Arenso’s board members are Mr. Toni Sulameri, Managing Director, Mr. Esa Holttinen, Business Director, and Mr. Petri Mikola, Project Director.
Arenso Oy is an expert in the challenging conditions at the Baltic Sea. The company was founded in the demerger of Suomen Hyötytuuli Oy in the autumn of 2024. Our team of experts has over twenty years of experience in wind energy projects from development to construction, operation and maintenance and the dismantling and recycling of wind farms. Working independently of solution suppliers and contractors, we help our customers implement sustainable and effective renewable energy projects.
News from Arenso and partners
Operative management buy Arenso Oy’s offshore wind business
Published 10.04.2026
Arenso was founded in the demerger of Suomen Hyötytuuli Oy in the autumn of 2024. The company has over twenty-five years of experience in developing, constructing and operating wind energy. Part o…
Arenso Oy changes its name to Hyötytuuli Services Oy
Published 01.04.2026
Wind energy company Arenso Oy has changed its name to Hyötytuuli Services Oy. Hyötytuuli Services places an even greater emphasis on providing wind energy services to its customer Suomen Hyötytuuli O…
Metsähallitus commissions Arenso for technical design of Ebba offshore wind project’s EIA programme…
Published 18.09.2025
Metsähallitus has selected Arenso Oy to carry out the technical planning of the environmental impact assessment (EIA) programme phase of the Ebba offshore wind project. The project area is located in…
Jaakko Kleemola appointed as Managing Director of Suomen Hyötytuuli and Arenso
Published 19.08.2025
Business Director Jaakko Kleemola, D.Sc. (Tech.) has been appointed as Managing Director of two companies at the forefront of Finnish wind energy, Suomen Hyötytuuli Oy and Arenso Oy. The appointment…
Offshore wind projects have a strong impact on regional economy and employment, according to a new s…
Published 20.05.2025
Tahkoluoto Offshore’s new study shows that offshore wind energy investments have a strong impact on regional economy and employment in Finland. The study investigated the direct and multiplier econom…
Model based on bird radar data to improve bird protection in offshore wind projects in the Baltic Se…
Published 30.04.2025
Kotimaisen tuulivoiman edelläkävijä Arenso Oy on käynnistänyt hankkeen, jossa hyödynnetään Tahkoluodon merituulipuiston lintututkan avulla kymmenen vuoden ajan kerättyä tietoa tuulivoiman vaikutuksis…
Arenso and Utilitas partner for Basic Design of the Saare-Liivi Offshore Wind Park
Published 03.03.2025
The Finnish wind energy service provider Arenso Oy and a leading Estonia-based renewable energy developer and producer Utilitas Wind have signed an agreement for co-operation in the Saare-Liivi Offsh…
Port of Kaskinen and Tahkoluoto Offshore Oy partner to develop logistics solutions for offshore wind…
Published 13.02.2025
The Port of Kaskinen and Tahkoluoto Offshore Oy have signed a Memorandum of Understanding (MOU) to assess the port’s suitability and role in developing logistics and infrastructure for the Tahkoluoto…
Tahkoluoto Offshore Wind Extension project proceeds without demonstration phase
Published 09.01.2025
Tahkoluoto Offshore Oy will proceed with the development of the Tahkoluoto offshore wind farm Extension project without the two-turbine demonstration phase. The demo phase was discontinued due to tim…
Tahkoluoto offshore wind farm Extension project has continued test dredging of the seabed
Published 13.05.2024
In early May, Suomen Hyötytuuli carried out test dredging in the area of the Tahkoluoto offshore wind farm Extension project to test suitable methods for building offshore wind power off the coast of…
Suomen Hyötytuuli supports Finnish Government’s offshore wind plans
Published 03.05.2024
The Finnish Government rejected the applications for exploitation rights concerning offshore wind power in the exclusive economic zone (EEZ) in the Gulf of Bothnia on 2 May 2024. Suomen Hyötytuuli wa…
Suomen Hyötytuuli carries out a full demerger to prepare for large-scale offshore wind power investm…
Published 08.03.2024
The Finnish wind energy company Suomen Hyötytuuli Oy will carry out a full demerger to strengthen its offshore wind production. The wind farms owned by Suomen Hyötytuuli will transfer to a new compan…
Tahkoluoto offshore wind farm Extension project’s demo phase is granted water and building permits
Published 22.12.2023
Suomen Hyötytuuli is planning an Extension project to Tahkoluoto offshore wind farm on the western coast of Finland. Tahkoluoto offshore wind farm is the world’s fi…
Suomen Hyötytuuli starts FEED for turbine foundations in Tahkoluoto offshore wind farm extension pro…
Published 18.09.2023
Suomen Hyötytuuli is developing an extension to Tahkoluoto offshore wind farm on the west coast of Finland. The wind turbines of at least 15 megawatts will be built in deeper waters than ever before…
Suomen Hyötytuuli receives a grant of 30 000 000 euro for Tahkoluoto offshore wind power demo projec…
Published 15.02.2023
The Ministry of Economic Affairs and Employment of Finland has granted 30 000 000 euro for offshore wind power investment in accordance with Finland’s Recovery and Resilience Plan and utili…
Metsähallitus to lease water area to Tahkoluoto Extension offshore wind farm
Published 31.01.2023
Metsähallitus and Suomen Hyötytuuli have signed an access right contract by which Metsähallitus leases the public water area off the coast of Pori Tahkoluoto to Suomen Hyötytuuli for wind power produ…
The extension project to Suomen Hyötytuuli’s Tahkoluoto offshore wind farm proceeds to permitting ph…
Published 05.01.2023
Suomen Hyötytuuli’s offshore wind farm project at Tahkoluoto, Pori on the west coast of Finland proceeds to permitting phase. The project is an extension to Finland’s first offshore wind farm. With l…