
HortenDahl advises clients in a wide range of energy sector industries, including solar energy, wind energy, and carbon capture. Within these industries, the team takes on a variety of matters, among which are regulatory advice, project development and implementation, restructurings, and acquisitions. Christian Tullberg is well regarded for his depth of experience in the sector, with expertise in the sale, acquisition and development of companies within the renewables sector. Tullberg is relied upon by clients to lead negotiations and structure large deals that have a significant impact on the market. Søren Hornbæk Svendsen brings experience in the regulatory side of the energy sector alongside René Frisdahl Jensen. Jacob Sandholt joined from Gorrissen Federspiel in September 2025.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘The partners I have worked with at Horten's energy practice demonstrate exceptional commercial acumen combined with technical precision. What sets them apart from competitors is their ability to translate complex regulatory and technical issues into clear business implications.’
- ‘I have collaborated with Søren Hornbæk Svendsen for years. He always provides swift and solid response within the energy sector and is very reliable and solid. He has a clear overview of the energy sector and the issues that are central to clients.’
- ‘I had an excellent experience working with the Copenhagen office of Horten. Their hands-on approach and pragmatic mindset made collaboration straightforward and efficient. I particularly appreciated their availability and responsiveness throughout the project.’
- ‘The team is very pragmatic and knows the business environment. That makes it easy for an in-house team to include their expertise.’
- ‘The team has extensive experience with various aspects of the energy industry, as well as extensive regulatory experience, making them well positioned to advise on transactions and disputes.’
- ‘Andreas Schønbeck is an expert in the field of the wind power industry and provides pragmatic, solution-oriented and fast legal advice.’
Key clients
- HOFOR
- Novafos
- Glostrup Forsyning
- Frederiksberg Forsyning
- Fors
- Faxe Forsyning
- Odsherred Forsyning
- Lyngby Taarbæk Forsyning
- Forsyning Helsingør
- Envafors
- Zeanet
- The City of Copenhagen
Work highlights
Advised Air Liquide Denmark A/S on all Danish legal aspects of the development of the ACCSION Project.
Assisted Energinet with all legal matters arising in connection with the design, development and construction of two Energy Islands – in the North Sea and in the Baltic Sea (Energy Island Bornholm).
Advised the Danish waste incineration company, AffaldPlus, on all legal aspects of their participation in the Danish government's tender for support of DKK 28.7 billion for CCS projects.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Practice head
Christian Tullberg; René Frisdahl Jensen
Other key lawyers
Søren Hornbæk Svendsen; Jacob Sandholt; Andreas Schønbeck


