Who is Fremsyn?

Get to know Fremsyn and the people behind

Who We Are

Fremsyn Group develops and operates integrated renewable energy infrastructure connecting biomethane production, battery energy storage systems and energy markets. By combining engineering expertise, renewable gas trading and digital compliance platforms, Fremsyn enables reliable low-carbon energy solutions for industry, transport and utilities.

Executive Management

Group Overview

Fremsyn operates at the intersection of renewable gas, electrification and digital sustainability systems.

The group develops, builds and operates biomethane production assets, renewable energy infrastructure and battery storage solutions while supporting transparent certification and sustainability reporting.

Engineering capabilities, operational experience and digital platforms enable renewable energy projects to move efficiently from concept and construction to stable long-term operations.

This combination of infrastructure development, operational expertise and market integration positions Fremsyn as a partner for companies, investors and municipalities accelerating the energy transition.

Key Facts and Reports

  • Biomethane production, battery energy storage (BESS) and renewable energy infrastructure

  • Engineering, biomethane trading, certification systems and digital energy platforms

  • Biomethane production facilities and renewable energy infrastructure projects

  • Anaerobic digestion, biomethane upgrading, BESS, EV charging and digital compliance platforms

  • European and US renewable energy, biomethane and electrification markets

Our work

Fremsyn supports companies and organizations in accelerating the green transition by combining strategic advisory, engineering expertise and renewable energy infrastructure. Our work enables sustainable business development, reduces CO₂ emissions and creates long-term value for society while respecting the planet’s natural resources.

Executive Sales team

Financial Information

Financial reports, annual statements and investor information for Fremsyn Group and its renewable energy subsidiaries.

Annual Report

Fremsyn ApS

2022

Annual Report

Fremsyn ApS

2023

Annual Report

Fremsyn ApS

2024

Annual Report

Fremsyn Group A/S

2024

Executive specialist

News & Insights

Latest news and insights on biomethane, battery storage, energy infrastructure and sustainable energy markets.

Contact Us

Partner with Fremsyn to accelerate your transition to sustainable practices. Contact us today for professional support, tailored solutions, and measurable outcomes.