LAWYER PROFILE

Rosilane Costa Barros

Brazil 2026

Demarest Advogados

Ranked in 1 practice area

Energy & Natural Resources: Power

Brazil

18 years ranked

About

Provided by Demarest Advogados

Brazil: Industries & Sectors

Practice Areas

Energy and Natural Resources

Career

Partner in the Energy and Natural Resources practice area at Demarest, Rosi Costa Barros holds a master’s degree (LL.M) in Corporate Law from IBMEC Business School and a bachelor’s degree in law from the Federal University of Rio de Janeiro. Rosi Barros concentrates her work in the energy area, in all of its segments, including advising on bidding processes, regulatory issues, administrative and judicial processes, power purchase and sale contracts and the drafting, negotiation and risk analysis of project implementation contracts in different modalities, including Engeneering Procurement and Construction (”EPC”), equipment supply contracts, civil works, etc.

Professional Memberships

— Vice-president of the Brazilian Institute of Energy Law Studies (IBDE)

Chambers Review

Provided by Chambers

Chambers Brazil: Industries & Sectors

Energy & Natural Resources: Power - Brazil

Band 3

Individual Editorial

Rosilane Costa Barros often acts on litigation, contractual and regulatory mandates in the power sector. She has a strong offering in structuring and implementing power generation projects.

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Strengths

Provided by Chambers

Rosilane Costa Barros demonstrates profound technical knowledge, coupled with a consistent professional attitude and organised management of the tasks under her responsibility. She stands out for her clear communication, attention to detail and ability to engage constructively with the various parties involved in the operations. She demonstrated a solid understanding of legal issues and the context of the operations, contributing efficiently and collaboratively to the progress of the work.
Energy & Natural Resources: PowerChambers Brazil: Industries & Sectors
Rosilane is a highly professional and experienced partner.
Energy & Natural Resources: PowerChambers Brazil: Industries & Sectors
She is always available and has extensive knowledge of the Brazilian electricity sector. Rosilane Barros focuses on practical solutions with strong legal certainty. In meetings, she consistently advocates for the client and is committed to finding the best solution.
Energy & Natural Resources: PowerChambers Brazil: Industries & Sectors