
CMS’s energy team specialises in renewables, power, and oil & gas, providing sector-specific legal advice across the project lifecycle, from financing to operation. With a strong track record in PV power projects, their clients include banks, developers, operators and investors. Practice head Péter Simon brings extensive expertise in energy, infrastructure and industrial projects, while Erika Papp offers deep knowledge in energy finance, advising on traditional and renewable sector financings. Zsófia Hermann focuses on solar power projects, regulatory issues and EPC/O&M contracts, while Péter Deák specialises in public procurement, renewables, energy M&A and regulatory matters.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Sector knowledge
Testimonials
Collated independently by Legal 500 research team.
- 'They inform us early on relevant market developments.'
- 'Péter Simon is very well connected and Péter Deák is really knowledgeable in energy regulatory matters.'
Key clients
- Budapest Power Plant
- Enlight
Work highlights
Advised Green Source GmbH on a 49.95 MW PV project in Hungary, providing legal guidance on financing, development, VPPAs, PPAs, Aggregation Services Agreements and integrating energy storage systems. These agreements supported renewable energy goals by managing risks and addressing legal and regulatory requirements.
Lawyers
Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.

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
Péter Simon
Other key lawyers
Erika Papp: Zsófia Hermann; Péter Deák


