IL

Ilmatar

Tampere, Finland

WindSolarEnergy StorageLimited company
Founded 2011201-500 employees500 MW installed65.5k tonnes CO₂ avoided/yr
Profile last updated: August 17, 2026

About

Founded in 2011, Ilmatar is a limited company headquartered in Tampere, Finland with approximately 201-500 employees specializing in Wind, Solar, Energy Storage.

Ilmatar is a leading independent power producer and renewable energy developer in the Nordic region. Founded in 2011, the company specializes in the development, construction, ownership, and operation of large-scale onshore wind farms and solar power installations across Finland and Sweden. With a focus on utility-scale renewable energy projects, Ilmatar manages a portfolio that includes over 100 wind turbines across 10 operational wind farms in Finland, making it the country's largest owner-operator of wind farms with approximately 7% of national operating capacity. The company produces clean electricity sustainably and efficiently from wind and solar sources, with integrated energy storage solutions to enhance grid flexibility. Ilmatar maintains full ownership of its projects throughout their lifecycle, from initial site selection and permitting through construction, grid connection, and long-term operation. The company also operates a 24/7 power trading desk to optimize energy portfolio management in Nordic electricity markets. Ilmatar's approach emphasizes responsible stewardship of land, transparent community engagement, and sustainable asset management.

Headquarters

Tampere, Finland

Founded

2011

Employees

201-500

Company type

Limited company

Focus areas

Independent Power ProducerRenewable Energy DeveloperOnshore WindSolar PVEnergy StorageNordic RegionLand LeasePower Trading

Products & services

Business models

IPPB2B

Value chain

DevelopmentEngineeringConstructionO&MAsset ManagementTrading

Service areas (5)

  • Onshore Wind Development

    Development, construction, ownership and technical & commercial management of onshore wind farms

  • Solar Energy Development

    Large-scale solar power installations with site selection, permitting, financing, construction and operations

  • Energy Storage Solutions

    Battery energy storage systems to provide grid balancing and flexibility

  • Land Lease

    Land lease agreements for renewable energy projects with private landowners, companies, communities and municipalities

  • Power Trading

    24/7 intraday power trading desk optimizing energy portfolio in Nord Pool electricity markets

Locations

Headquarters

Uusikatu 53, 33100, Tampere, Finland

Operating locations (2)

  • Kalevantie 2, Oulu, Finland
  • Malmö, Sweden

Service regions

FinlandSweden

Projects

14

Tönnersjö

PlannedUtility-scale solar PV

Large-scale solar power park in Halland County, southwestern Sweden

450 MW capacityHalmstad, Sweden

Olivehult

PlannedUtility-scale solar PV

550-hectare solar farm with integrated sheep grazing in collaboration with Wästanå Gård

Sweden

Persköp

OperationalUtility-scale solar PV

Large-scale solar power park in Sweden

Örkelljunga, Sweden

Korpilevonmäki

OperationalOnshore wind farm

Onshore wind farm with six wind turbines producing clean renewable energy

38 MW capacitySäkylä, FinlandCompleted: 2025-03-03

Palma

OperationalOnshore wind farm

Onshore wind farm in Somero, Finland

Somero, Finland

Västervik

OperationalOnshore wind farm

Onshore wind farm in Kristiinankaupunki, Finland

Kristiinankaupunki, Finland

Rasakangas

OperationalOnshore wind farm

Onshore wind farm in Kurikka, Finland

Kurikka, Finland

Joroinen

OperationalUtility-scale solar PV

Solar farm with industrial-scale investment potential

Joroinen, Finland

Bothnia

PlannedOffshore wind farm

Offshore wind project, largest planned offshore wind farm for Ilmatar

Finland

Alajärvi

Under ConstructionHybrid solar PV and energy storage

Hybrid project with solar PV and energy storage components

Alajärvi, Finland

Ainola BESS

PlannedBattery storage

Battery energy storage system

Finland

Pahkakoski BESS

PlannedBattery storage

Battery energy storage system in Ii

Ii, Finland

Persköp BESS

PlannedBattery storage

Battery energy storage system in Örkelljunga

Örkelljunga, Sweden

Piiparinmäki

OperationalOnshore wind farm

First non-subsidised wind farm in Finland

FinlandCompleted: 2019-01-01

Credentials & affiliations

Industry memberships

Renewables Finland

Partnerships

Ramboll Finland, Aalto University, Renewables Finland, Silvasti

Sustainability

65.5k

Tonnes CO₂/yr avoided

People

Management & team

  • Juha-Pekka Weckström

    Chairman of the Board, Co-founder

  • Mikko Toivanen

    Chief Executive Officer

  • Benjamin Stremsdoerfer

    CFO, Deputy CEO

  • Anna-Maria Palmroos

    CLO, CHRO

  • Antti Sallila

    VP, Project Development

  • Serge Savasta

    Director, Construction

  • Anne Laitinen

    Communications Manager

  • Jenny Söderman

    Regional Contact, Sweden

  • Robert Wedmo

    Head of Permitting

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