
CMS’ energy and climate change practice acts for leading global corporates, energy companies, and financial institutions on pathfinding project development, financing, and transactional mandates across the clean power segment. Offering longstanding low-carbon energy expertise, Munir Hassan leads the team and assists global sponsors on high-value and complex projects and transactional mandates, particularly in the onshore and offshore wind spaces. Acting for clean energy operators and offtakers, Louise Dalton is highly sought-after for her knowledge regarding project development, contractual, and commercial agreements and demonstrates a particular niche regarding the delivery of clean power to data centres. In the hydrogen, carbon capture, and renewables segments, Dalia Majumder-Russell is a standout advisor on contracts and commercial agreements. Thomas Forman brings transactional and regulatory expertise across renewables asset types.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- 'What makes CMS' Renewables practice team stand out is their ability to seamlessly support energy initiatives on a pan-European basis, assisting with the client's understanding of legal and market structures in each jurisdiction.'
- 'They take the time to understand the client's primary pain points, and work closely with the client to develop effective strategies for navigating some of the thornier contract terms that are common points of contention in the negotiation of renewable energy transactions.'
- 'What makes them an invaluable partner is their ability to skillfully project manage transactions in multiple jurisdictions simultaneously, expanding and contracting resources as needed to fit client goals and keep negotiations moving forward at the desired pace.'
- 'Dalia Majumder-Russell and Stella Mavrommati are simply outstanding. I've come to rely on their legal and industry knowledge, as well as their close collaboration and project management skills, to help me juggle a heavy and evolving workload. They are highly skilled and knowledgeable advisors and negotiators and are indispensable members of our extended legal team.'
Key clients
- Brookfield Asset Management
- The Government of Romania
- The Northern Endurance Partnership and Net Zero Teesside Power
- Equinor
- CVC DIF
- HYRO Energy Limited
- InfraRed Capital Partners
- Zenobe
- EDF Energy Renewables
- SSE
- Octopus Energy
- The Renewable Infrastructure Group
Work highlights
Advised on Green Volt Offshore Windfarm across all development workstreams, including consenting, real estate, regulatory, offtake, and contracting.
Advised the creditors to Renewable Power Capital on a landmark €555 million financing for a 553MW onshore wind portfolio in Sweden.
Advising Zenobe Energy on all project documents required to develop the ground-breaking 400MW battery energy storage project in Eccles, Scotland.
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.

Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Practice head
Munir Hassan
Other key lawyers
Louise Dalton; Thomas Forman; Dalia Majumder-Russell; Stella Mavrommati