
CMS Grau’s power team provides comprehensive administrative, regulatory, environmental, energy, and financial advice to clients in the sector. The firm is particularly noted for its expertise in regulatory and administrative law, frequently advising on energy transition projects, including wind, solar, and geothermal developments. Co-head Ramon Huapaya is highly experienced in advising major generation, transmission, and distribution companies, particularly in sanctioning procedures and PPA-related matters. Fellow co-head Nestor Shimabukuro brings extensive expertise in private investment projects, with a strong focus on the electricity sector, spanning generation, transmission, and distribution. Senior associate Oscar Alejos has broad experience in the energy space and regularly advises on regulatory issues and administrative proceedings involving the power sector.
Legal 500 Editorial commentary
Key clients
- Luz Del Sur S.A.A.
- Enel Distribución
- EDF Peru
- Enel Generación
- Inland Energy
- Electro Sur Este
- Compañía Minera Caraveli
- Sindicato Energético – Sinersa
- Engie Energía Perú
Work highlights
Advised EDF Peru on the due diligence process for the acquisition of the Humay Thermal Power Plant.
Advised ORYGEN on securing concessions for multiple renewable energy projects, including solar and wind power plants.
Advised INLAND ENERGY on obtaining the definitive concession for the Ahobamba Hydroelectric Power Plant.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head
Ramón Huapaya; Nestor Shimabukuro
Other key lawyers
Oscar Alejos
