Alexander Ehrs

Technical Project Manager


Alexander is part of the Wind and Site Team. He has versatile technical experiences from the energy sector, and a good understanding of strategic and economic matters.

Prior to joining Etha in 2020, Alexander did several internships on 4-stroke engines technology and product development at Wärtsilä Finland Oy. In his Master’s thesis, Alexander was responsible for setting the requirements and conducting initial technical research for the development of a 4-stroke hydrogen spark-ignition engine. This included hands-on technical research by testing and evaluating hydrogen/methane mixtures in a rapid compression machine (RCM).

Since joining Etha, Alexander has performed pre-screening studies, noise & flicker assessments, layout development, general permitting services and annual energy production calculations (AEP). He has also been involved in technical due diligence services.

Alexander’s mother tongue is Swedish. He is also fluent in English, and he has a good working proficiency in Finnish.


2020 DI (M.Sc.), Advanced Energy Solutions,
Aalto University, Faculty of Engineering

2017 B.Sc, Energy & Environmental Technology
Aalto University, Faculty of Engineering

Key References

Wind Engineering Services
Tuulipuisto Pontema Oy, 2020-

Technical Due Diligence Services
Eolus Vind Ab, 2020-

Project Development Services
Puhuri Oy, 2020-

Experience from several internship positions and a Master’s thesis work regarding 4-stroke hydrogen engine technology and product development
Engines R&D, Wärtsilä Finland Oy, 2013 – 2020

Work Experience

Wind & Site Analyst, Etha Wind Oy

Master’s Thesis, Wärtsilä Finland Oy
Title: Development of a premixed-charge hydrogen engine

Internship positions, Wärtsilä Finland Oy