
The practice at CBA Studio Legale e Tributario is led by a trio that includes Francesco Assegnati and Francesco Piron, advising across contentious and transactional mandates in the energy market. Piron handles appeals against operating procedures, arbitration proceedings to pursue payment claims, requests for suspension, and individual sanctioning proceedings. Assegnati focuses on acquiring special-purpose vehicles supporting PV projects and provides advice on tax aspects and alternative investment funds. The group also advises on framework agreements for PV system installation and on project financing for hydroelectric plants.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘What makes this practice unique is a combination of deep sector expertise, a collaborative culture, and a forward-looking approach to client service.’
- ‘The individuals I work with stand out for their dedication, expertise, and collaborative mindset.'
- 'What truly differentiates them from competitors is their ability to combine deep technical knowledge with a genuine enthusiasm for delivering value to clients. In particular, Francesco Piron is a standout partner. He is consistently available, proactive, and deeply passionate about his work. His exceptional knowledge of the sector he operates in makes him a trusted advisor, not only for his technical skills but also for his strategic insight.'
- 'Francesco Piron’s enthusiasm is contagious, and his commitment to excellence sets a high standard for the entire team.'
- 'Availability, sector expertise, and enthusiasm are what I value most in the people I collaborate with. They foster a working environment that is both high-performing and client-focused.’
- ‘Strong know-how, and an excellent reputation.’
Key clients
- Unoenergy S.p.a.
- A2A Energia S.p.A.
- HERA COMM S.p.A.
- AGSM AIM ENERGIA S.p.A.
- Estra Energie S.r.l.
- Dolomiti Energia S.p.A.
- E.ON Italia S.p.A.
- Alperia Smart Services
- ATS Power Srl,
- CVA Energie S.r.l. a s.u.
- Eni S.p.A.
- ENI Plenitude S.p.A.
Work highlights
Acted for Caviro Extra in a dispute with GSE over the conversion of a biogas plant to biomethane in Faenza.
Acted for Termica Celano in a complex legal dispute concerning its exclusion from the Italian capacity market auction for the 2025 delivery year, worth over EUR1.5bn.
Advised Chaberton Sunscape JV on the sale to Green Utility of 100% of the shares in two special purpose vehicles owning ready-to-build photovoltaic projects with a combined capacity of approximately 9 MW.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head
Francesco Piron; Fabrizio Magrì; Francesco Assegnati
