Etha
Arnaud Defrance
Head of Transactions
Sustainable Energy Project Enablement · Planning, Impact Assessment & Permitting
Capability
Sustainable Energy Project Enablement
Coordinate environmental and engineering inputs for wind, solar and energy storage projects.
What this covers
The problem
You are developing or changing a wind, solar or energy storage project and need to connect feasibility, permits and technical delivery.
Earlier clarity on development constraints and dependencies
Better coordination between environmental, planning and engineering workstreams
A more robust route from project concept to permitted delivery
16 services
Services, by company
Natur og Samfunn · Norway1 service
Etha · Finland15 services
Project development
From idea to ready-to-build, including land studies, EIA, land-use planning, permits to building permit, stakeholders and investor search.
EthaFinlandRepowering advisory
Advice on repowering existing wind and solar assets.
EthaFinlandDecommissioning services
Dismantling plans, permits, recycling of components and site restoration.
EthaFinlandEnergy yield assessments
Wind and solar resource and production modelling.
EthaFinlandLayout and environment
Layout optimisation plus noise, shadow flicker, photomontage, visual impact, bird collision and glare studies.
EthaFinlandHybridisation services
Sizing wind or solar with battery storage.
EthaFinlandConstruction advisory
Owner's engineer, technical adviser, project management as a service and EPCM.
EthaFinlandTransaction advisory
Sell-side, buy-side, financing and PPA advice.
EthaFinlandValuation and financial modelling
Valuation and financial models for energy projects and portfolios.
EthaFinlandProject advisory and due diligence
Technical, legal and environmental due diligence for buyers, sellers and lenders.
EthaFinlandEnergy storage (BESS) development
Development of battery energy storage projects.
EthaFinlandOffshore wind development (with partners)
Offshore wind development in cooperation with partners.
EthaFinlandHydrogen project development
Development of hydrogen production projects.
EthaFinlandServices for landowners (wind)
Advice for landowners approached by wind developers.
EthaFinlandData centre development and energy sourcing
Site, permit and energy sourcing support for data centres.
EthaFinlandCustomer needs
Where this capability helps
Companies involved
Who delivers the work
Related projects
Examples from our companies
Etha · Pieksämäki · 2022
Sarvikankaan Tuuli Oy: Sarvikangas wind farm development, EIA and transaction advice, Pieksämäki
The Sarvikangas wind farm in Pieksämäki covers 2,860 hectares and is planned for 25 turbines and 200 MW. Etha has been involved since the preliminary studies in 2022 and supports development, EIA, land-use planning and the search for investors.
Etha · Maalahti · 2018
Local developer; owner IKEA: Långmossa wind farm development, Maalahti
Långmossa in Maalahti has seven turbines of about 30 MW, is owned by IKEA and operated by OX2. Etha supported development from the initial idea in 2012 to the investment decision in 2018 – its first full-scope development project.
Etha · Finland
Ilmatar Energy: technical due diligence of wind and solar projects, Finland
Etha reviewed Ilmatar's portfolio of 27 wind and solar projects with about 3,500 MW, supporting debt financing of EUR 144.5 million from a major European debt investor.
Insights
From our specialists
Knowledge · 24 September 2026När blir digitala produktpass ett krav?
Digitala produktpass (DPP) blir ett krav stegvis, en produktgrupp i taget. På sikt kan nästan alla fysiska produkter som säljs i EU omfattas, men kravet gäller först när EU har tagit fram regler för just den produktgruppen. Först ut är batterier i februari 2027. För industrin är stål och aluminium de första stora grupperna. Hur
Monitoring and compliancePlanning and permitting
News · 7 September 2026Etha expands Transaction Advisory services to Sweden
Etha is expanding its Transaction Advisory services to Sweden with its first transaction mandate in the country, marking an important step in growing its transaction business in the Nordic market.
Investment and due diligence
News · 24 August 2026Etha as project development consultant in the underground pumped hydro project at pyhäsalmi mine
Etha is supporting SENS in advancing the Underground Pumped Hydro Storage project that explores the potential of the decommissioned Pyhäsalmi mine for large-scale energy storage.
Planning and permitting
Experts
Our experts
Etha
Jukka Rönnlund
Head of Engineering
Sustainable Energy Project Enablement · Planning, Impact Assessment & Permitting
Contact