Guerrero Olivos ‘highly-capable lawyers ’ are consistently mandated to advise owners, developers and operators of renewable energy projects, such as wind and solar, as well as thermal power plants and liquefied natural gas terminals. The 18-strong team’s expertise covers energy generation, transmission, and distribution projects, and it has particular experience in negotiating power purchase agreements. It also advises on green hydrogen matters; is increasingly involved in battery storage projects; fields experts in environmental, water, corporate and finance law; and assists with regulatory issues, such as energy and transmission planning, rule-making processes, public bids and disputes. Co-leading the full-service department, Clemente Pérez is a veteran adviser to domestic and international clients on transactional and regulatory energy matters; regulatory expert Sebastián Abogabir's expertise includes both solar energy and green hydrogen projects, and he additionally assists with the acquisition and sale of energy projects and assets; Felipe Frühling, in turn, is notably active in the non-conventional energy sector, his experience encompassing solar, wind, battery storage and green hydrogen. In a boost to the practice, former senior associate Francisca Pellegrini, who advises on energy-related regulatory issues, was made partner in January 2025. Associate Joaquín Rojas is also a key member of the firm’s energy and natural resources group.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘A favourite firm. Partner availability, direct involvement, innovative solutions, competitive pricing, and technical expertise make them stand out.’
- ‘Young and highly-capable lawyers who are willing to make improvements to outdated legal models.’
- ‘Willingness and flexibility. The billing effectively reflects the work performed in a fair and transparent manner.’
- ‘The Guerrero Olivos office has lawyers with extensive energy and natural resources expertise.’
- ‘Adapts to companies’ requirements and delivers reports in the required form and format, which facilitates timely follow-ups.’
- ‘They have a wide variety of energy sector clients. This allows them to provide comprehensive advice and provide proposals to mitigate risks (thanks to their experience and expertise).’
Key clients
- IDB Invest
- Copenhagen Infrastructure Partners (CIP)
- Andes Solar
- Atlas Renewable Energy
- Sonnedix
- Engie
- Telefónica Group
- Zelestra
- Reden
- ACERA
- Akuo PMGD Holding
- EDF Andes
Work highlights
Advised IDB Invest (for the third consecutive year) on the third round of $5.5bn energy sector financing.
Advised Zelestra on the $320m energy supply tender for the mining operations of the Spence Mine (owned by BHP).
Advised Atlas during the tender process for the award of the power purchase agreement (PPA) to supply the electricity needs of Codelco for 15 years (starting in 2026).
Lawyers
Hall of Fame
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Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
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
Clemente Pérez; Sebastián Abogabir; Felipe Frühling