About

Provided by Kambourov & Partners

The department has a long-standing track record and is widely renowned among local and international energy market players for its involvement in landmark projects over the past two decades. The team provides integrated advisory and litigation services across all aspects of the energy sector, including:

• EU Green Deal and clean energy transition

• Electricity generation – renewables, conventional, and nuclear

• Smart electricity grids

• Electricity transmission, distribution, supply, and storage

• Electricity trading (including cross-border)

• Natural gas – exploration, extraction, transmission, and distribution

• Mining, fuels, and alternative fuels

• Energy efficiency and electric vehicles

• Regulatory regimes and project finance

• Litigation

The team handles legal, licensing, and tax matters in energy investments, with a focus on renewable energy sources, electricity and gas infrastructure, and alternative fuels. It advises on energy regulatory issues, including licensing, pricing, approvals for M&As, post-acquisition restructurings, financing, and planning for new builds (including nuclear power plants).

The department is actively engaged in advising projects financed under the EU Recovery and Resilience Facility, aimed at the green transition of the economy. It represents clients before Bulgarian courts, regulatory bodies, ministries.

The team is deeply involved in renewable energy projects, hydrogen storage facilities, and natural gas market development in Bulgaria.

Chambers Review

Provided by Chambers

Energy - Bulgaria

1
Band 1

What the Team is Known For

Kambourov & Partners fields a well-reputed energy practice offering noteworthy experience in regulatory matters. The team stands out for significant activity in the electricity sector, with a strong client portfolio that consists of major domestic and international electricity trading companies. The group also regularly assists with energy-related contentious matters. The firm is also well equipped to advise on transactional energy mandates, including post-acquisition restructurings.

Strengths

Provided by Chambers

Notable Practitioners

Provided by Chambers

1
Stefan Tzakov
Head of Energy
1
Band 1
Stefan Tzakov is active on a range of contentious mandates, including gas pipeline-related disputes and litigation proceedings concerning energy trading. He also advises on energy regulatory issues.

Stefan has strong expertise in Bulgarian energy regulation, offering clear and solution-oriented advice and consistent responsiveness.

Stefan Tzakov is a very responsive and knowledgeable lawyer. He quickly builds a relationship of trust with his clients.

2
Irena Petkova
2
Band 2
Irena Petkova advises a range of international clients on the regulatory aspects of their Bulgarian energy interests as well as on entry into the market.

Irena provides strong expertise in Bulgarian energy regulation, clear and solution-oriented advice and consistent responsiveness.

Irena Petkova is an exceptional professional with deep expertise in energy regulation and strong experience in supporting transactional work within the sector.

Ranked Lawyers at
Kambourov & Partners

Provided by Chambers
Filter by
Band

Bulgaria

Energy

1
Stefan Tzakov
Head of Energy
1
Band 1
2
Irena Petkova
2
Band 2

Members

Provided by Kambourov & Partners

Borislav Tcholakov

Stefan Tzakov

Head of Department

Industries

Provided by Kambourov & Partners

Electricity

Fuels

Gas

Mining

Natural Resources

Nuclear

Renewables