About
Founded in 2002, Etha is a limited company headquartered in Vaasa, Finland specializing in Wind, Solar, Energy Storage.
Etha is a Finnish sustainable energy consultancy founded in 2002 and known as one of the pioneers of onshore wind power in Finland. It provides project development, permitting and repowering support, feasibility and wind resource assessments, owners engineering, EPCM services, legal services, due diligence, and transaction and investor advisory for wind, solar, battery storage, data centre and green hydrogen projects. Etha joined the Nordic group Ametalis and formed the joint venture Hyrizeon Oy with Hyrizeon AB to develop green hydrogen in Finland.
Headquarters
Founded
Company type
Focus areas
Products & services
Business models
Value chain
Service areas (1)
Finland
Sustainable energy consultancy covering project development, permitting, feasibility, due diligence, transaction advisory, owners engineering, legal support and decommissioning for wind, solar, battery storage, data centre and green hydrogen projects.
Locations
Headquarters
Vaasanpuistikko 14 B 11, 65100, Vaasa, Finland
Operating locations (1)
- Bulevardi 21, Helsinki, Finland
Service regions
Projects
6Tuovila BESS
Battery energy storage project in Mustasaari near Vaasa, agreed for continued development by Aurinkokarhu and Prime Capital, with Etha as transaction advisor.
Pyhäsalmi BESS
Battery energy storage system project that was sold; Etha acted as sell-side transaction advisor.
Juthskogen Wind Farm
Wind farm project in Maalahti, Ostrobothnia; Etha provided project development and transaction advisory. Ownership of the project company was transferred to OX2 in December 2025.
Silokallio solar farm
Solar farm project owned by Silokallion Aurinkovoimala Oy; Etha served as project management consultant from the beginning, with building permit granted in June.
Sarvikangas wind farm
Wind farm project where Etha has been involved since the beginning; environmental impact assessment completed April 2024.
Långmossa Wind Farm
Wind farm project featured as an Etha customer reference.
Credentials & affiliations
Partnerships
Ametalis, Hyrizeon AB
