What Hyötytuuli does

Suomen Hyötytuuli Oy is a Finnish wind power producer and developer founded in 1998 and headquartered in Pori, Finland. The company operates a portfolio of ten wind farms — nine onshore and one offshore (Tahkoluoto) — with a combined installed capacity of 654 MW and annual production of approximately 1,900 GWh, making it Finland's largest wind power producer. Its technology stack comprises multi-MW onshore turbines from Vestas, Siemens Gamesa, and Nordex, plus the world's first offshore wind farm built in frozen-sea conditions (Tahkoluoto, 2017), featuring proprietary gravity-based foundations engineered for Baltic ice loads and a custom bird-strike radar (Lintututka) system for environmental monitoring.

The business operates under a Mankala-style ownership model: the company is jointly owned by eight Finnish municipal energy companies — Alva-yhtiöt, Helen (Helsinki), Lahti Energia, Lappeenrannan Energia, Pori Energia, Tampereen Energia, Turku Energia, and Vantaan Energia — which absorb 100% of the electricity produced for distribution through their respective city networks to households and industrial customers. There is no merchant or external offtake channel; revenue accrues via long-term power-offtake and lifecycle service contracts (the latter delivered through wholly-owned subsidiary Hyötytuuli Services Oy, formerly Arenso Oy). GTM is enterprise field-sales to a closed ownership consortium with no competitive customer acquisition motion.

Growth has been driven by repeated project acquisitions (Eranti Engineering's offshore business in 2019, YIT's Peuralinna project in 2019, Metsähallitus' Annankangas share in 2015) and a major 2021-2025 buildout cycle. A 2024 full demerger separated wind-farm operations from offshore demonstration and from lifecycle services, and a major Tahkoluoto Extension project (40+ turbines at 15 MW, targeting 2027) anchors the next growth phase alongside a public pipeline of additional onshore developments.

Name

Hyötytuuli

Legal name

Suomen Hyöytuuli Oy

Website

https://hyotytuuli.fi

Company type

Private

Founded year

1998

Operating status

Operating

Headcount range

11–50 employees

Short description

Suomen Hyötytuuli Oy is Finland's largest wind power producer, operating ten onshore and offshore wind farms totaling 654 MW. The company is jointly owned by eight Finnish municipal energy companies and sells all output to them through Mankala-style offtake arrangements.

Ownership category

akta.pro rank

Product category

Wind Power Generation

NAICS

Wind Electric Power Generation (221115)

akta.pro primary industry

Wind Farm Ownership & Operations (IPP/Utility-Owned Asset Operations) (EUACAFAF)

akta.pro secondary industries

Wind Farm Development & Permitting (Greenfield/Brownfield) (EUACAFAE), Offshore Wind Power Generation (Fixed-Bottom) (EUACAFAB), Onshore Wind Power Generation (Utility-Scale) (EUACAFAA)

Keywords

• Wind power generation
• Offshore wind farms
• Onshore wind farms
• Renewable energy production
• Wind farm operations

Headquarters

HQ city

Pori

HQ country

Finland

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Infrastructure, Operations, Supply Chain, Technology or R&D, Personnel

Revenue model

1. Wind Energy Production and Sales: The company operates wind farms and sells the electricity generated to its owner companies (eight Finnish municipal energy companies) through a Mankala-style arrangement. Energy is distributed to households and industry through the owner network. Revenue comes from long-term power production with competitive pricing and market-based conditions.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

Suomen Hyötytuuli Oy is a Finnish wind power producer that develops, owns and operates onshore and offshore wind farms, generating and selling renewable electricity to its eight municipal energy company owners. The company manages the full lifecycle of wind energy assets from project development, permitting and construction through production, maintenance, and decommissioning, including pioneering offshore wind technology in frozen sea conditions at Tahkoluoto.

Product overview

Suomen Hyötytuuli Oy is a Finnish wind power producer and developer operating as a portfolio of onshore and offshore wind farms across Finland, with a total capacity of 654 MW and annual production of 1900 GWh. The company's portfolio consists of ten operational wind farms spanning onshore (Reposaari, Kuljunniemi, Nikkarinkaarto, Annankangas, Jokela, Oosinselkä, Alajoki-Peuralinna, Polusjärvi, Siikajoki) and offshore (Tahkoluoto) locations. Operations are supported by subsidiary Hyöytuuli Services Oy (formerly Arenso Oy), which provides lifecycle services including development, construction, operations, maintenance and dismantling. The company is pioneering offshore wind power in frozen sea conditions through the Tahkoluoto project, with a major extension project (Tahkoluoto Extension) planned. Hyöytuuli also developed proprietary bird radar technology for environmental monitoring at wind farms.

Differentiator

Problem solved

Functional benefit

Products and services

• Tahkoluoto Offshore Wind Farm
• Siikajoki Wind Farm
• Oosinselkä Wind Farm
• Alajoki-Peuralinna Wind Farm
• Reposaari Wind Farm
• Kuljunniemi Wind Farm
• Nikkarinkaarto Wind Farm
• Jokela Wind Farm
• Annankangas Wind Farm
• Polusjärvi Wind Farm
• Wind Farm Lifecycle Services (Hyötytuuli Services Oy)

Quantifiable outcome

• 654 MW total wind power capacity
• +3 more outcomes

Named customers8 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

Nine partnerships are on record, tiered core and minor.

• Eranti Engineering OycoreTechnology or Integration · 22 March 2019Acquired offshore wind power business from Eranti Engineering in 2019 to ensure continuity of expertise in frozen sea offshore wind development. Esa Eranti continues as Senior Advisor.
• MetsähallituscoreStrategic or Co-development PartnerMetsähallitus (Finnish Forest Administration) leases public water areas to Hyötytuuli for offshore wind production. They have signed access rights contracts for Tahkoluoto offshore areas. Metsähallitus also previously co-developed Annankangas wind farm with Hyötytuuli.
• One Planet Partners OyminorStrategic or Co-development PartnerCollaboration partner in environmental studies including the green transition impact assessment on nature. Co-hosted webinar on Tahkoluoto bird radar study results.
• Jan De Nul GroupcoreTechnology or IntegrationBelgian marine construction company selected as main contractor for Tahkoluoto offshore wind farm marine construction. Responsible for dredging, seabed construction, foundation and turbine installation using specialized jack-up vessels.
• Siemens Gamesa Renewable EnergycoreTechnology or IntegrationTurbine supplier for multiple wind farms including Tahkoluoto (4 MW turbines) and Alajoki-Peuralinna (SG 5.8-155 turbines). Major equipment vendor for offshore wind projects.
• VestascoreTechnology or IntegrationTurbine supplier for Siikajoki (V162-6.2 MW) and Oosinselkä (EnVentus V162-6.2 MW) wind farms. Key partner for onshore wind projects.
• ABB / Hitachi EnergycoreTechnology or IntegrationSubstation and transformer supplier for wind farms. ABB/Hitachi Energy Finland supplies wind farm transformers and electrical infrastructure including the Vaasan factory that experienced a fire impacting Siikajoki project timeline.
• Infra Builders OycoreImplementation/ SI/ Consulting PartnerMain contractor for Alajoki-Peuralinna, Oosinselkä and other wind farm construction projects. Formerly NCC wind power unit. Handles infrastructure construction including roads, foundations, and site preparation.
• Prysmian FinlandcoreTechnology or IntegrationUndersea cable supplier for Tahkoluoto offshore wind farm. Provided 14 km of 30-kilovolt undersea cable manufactured in Finland.

Scale indicators7 records

Recent moves9 records

Expansion highlights5 records

Direct peers

• Better Energy: Danish renewable energy developer focused on solar and wind farm development across Northern Europe. Comparable as a Nordic regional IPP developing and operating utility-scale wind assets.
• Ilmatar Energy: Finnish independent wind and solar developer and producer with a portfolio of onshore wind projects across Finland. Directly comparable to Hyötytuuli as a Finland-based IPP developing and operating utility-scale wind farms.
• Eolus Vind: Swedish wind power project developer selling turnkey wind farms to investors and utilities. Similar asset-light-to-asset-heavier development role and Nordic customer base as Hyötytuuli.
• BayWa r.e. Global renewable energy developer and IPP with a Nordic/Baltic wind project pipeline. Comparable as an independent developer-builder-operator of utility-scale wind farms and adjacent solar assets.
• OX2: Sweden-headquartered renewable energy developer with large-scale onshore and offshore wind farms across the Nordics and Europe. Closely comparable business model of greenfield-to-operation wind development, overlapping geography, and similar scale.
• Arise AB: Swedish onshore wind developer and operator with a ~1.4 GW portfolio, listed on Nasdaq Stockholm. Direct peer in Nordic wind farm development, ownership and operation; comparable customer base of municipal and corporate offtakers.
• wpd AG: German-headquartered wind and solar developer with operations across Europe including the Nordics. Comparable as a European IPP actively developing onshore wind projects at utility scale.

Others

• Vestas Wind Systems: Danish wind turbine OEM and one of Hyötytuuli's largest suppliers (used at Siikajoki and Oosinselkä). Included as an adjacent/ecosystem participant rather than a direct competitor, since it sells hardware rather than operates farms.

Broad incumbents

• Statkraft: Norwegian state-owned utility and Europe's largest generator of renewable energy, with a sizable wind portfolio across Norway and internationally including Finland. Comparable as a large Nordic utility with significant wind generation, although far broader in scope than Hyötytuuli.
• Fortum: Finnish state-linked utility with hydropower, nuclear, and growing wind assets including Finnish wind development. Overlaps with Hyötytuuli as a Finnish power producer with a growing wind footprint, but is far more diversified.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/hyotytuuli
• LinkedInlinkedin.com/company/suomen-hy%C3%B6tytuuli-oy

Revenue estimate

Valuation estimate

Number of profiles

Profiles15 records

Subsidiaries2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Hyötytuuli