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Péter Simon

Head of Energy, Projects and Construction

CMS Cameron McKenna Nabarro Olswang LLP
Hungarian Branch Office
YBL Palace
Károlyi utca 12
1053 Budapest
Languages Hungarian, English

Péter Simon is a partner at CMS’s Budapest Office, heading the Energy, Projects and Construction practice in Hungary.

Péter has worked on various energy, infrastructure, industrial and other construction projects including the development and acquisition of power plants, petrochemical manufacturing units, and international gas transmission pipelines. Péter has negotiated several long-term electricity, gas and heat supply and off-take agreements. Péter has also worked on several projects advising clients on the development of the strategic storage of natural gas in Hungary. He has advised major global energy companies on the acquisition and development of both conventional and renewable energy projects.

Péter is recommended by Legal 500 and Chambers and Partners in the Energy & Projects practice discipline. The Energy, Projects & Construction team is top-ranked both in Legal500 and Chambers and Partners.

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"Very reliable partners throughout our projects in Hungary."

Legal 500, 2022

"He is someone I value a lot."

Chambers Europe 2022

Relevant experience

  • Green Source on the acquisition of multiple SPVs and PV projects in several locations in Hungary, one of the largest photovoltaic acquisitions in the Hungarian market.
  • Enlight Renewable Energy on the acquisition of a company holding a green premium subsidy entitlement (METÁR) of 20 MW as well as on the financing of this acquisition.
  • A major energy company on the acquisition of solar power plants in Hungary.
  • A major energy company on the development of various solar plants in the CEE.
  • MOL Nyrt. (MSZKSZ), the company designated by law for the safety stockpiling of natural gas, on the construction, operation and financing of an underground natural gas reservoir of 1.9 bn cubic meter capacity, the largest of its kind in CEE.
  • Budapesti Power Plant, a subsidiary of EDF, on the development of two separate CCGT power plants with an installed capacity of 110 MW each and on upgrading its existing generation facilities.
  • DÉMÁSZ, a Hungarian electricity distribution system operator and a subsidiary of EDF, on energy regulatory and general commercial matters on a day-to-day basis, including representation in the judicial supervision of network usage fees.
  • Iberdrola Renovables Hungary on the merger of its Hungarian subsidiary and its wind farm project companies with all related regulatory and environmental law support.
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Memberships & Roles

  • Member, Budapest Bar Association
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  • 1993 - Doctor of Law, Eötvös Lóránd University, Budapest
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Wind of Change: Navigating Hungary's New Wind Farm Regulations
CMS is delighted to invite you and your colleagues to our 'Wind of Change: Navigating Hungary's New Wind Farm Regulations' conference. After a decade of anticipation, regulatory barriers hindering the establishment and growth of wind farms in Hungary have been lifted by a package of laws set to take effect on January 1, 2024. During our conference, CMS experts will provide detailed explanations of the most significant changes to the regulations, covering construction, technical requirements, licensing procedures, and potential challenges you may face. We will also shed light on the financial implications and investment opportunities arising from these regulatory developments. This conference will be held in a hybrid format, allowing participants the flexibility to attend either in person or online. Those who prefer to participate online will receive an email with the Teams link to access the conference remotely. Participation in the event is free of charge but requires registration. Please note that seating is limited, so we appreciate your prompt registration. Click the button below to register for this event.
Renewable energy in Hungary
1. Introduction  Significant changes have happened in the external environment of the Hungarian energy sector in 2022. Notwithstanding that the increasing price environment and the uncertainty of energy...
Hungary extends grid connection long-stop-date for new power plants
On 31 January 2024, the Hungarian government adopted the amendment to Government Decree 526/2022. (XII. 16.) that amends the Electricity Act regarding rules for grid connection. Under the original Grid...
Hungarian government caps energy fee price element of electricity prices...
On 19 June 2023, Hungarian government adopted a new government decree establishing a cap of EUR 200/MWh on the energy fee price element of the electricity price to be applied between 1 July to 2023 and...
Advising the Board on Environmental Law Risk in CEE
Directors’ risk report Environmental law is firmly and undoubtedly a board-level issue and all businesses need to focus on how it impacts their activ­it­ies. En­vir­on­ment­al au­thor­it­ies expect directors...
Hungary restricts quality agricultural land for solar power plants
Hungary has announced changes to certain rules of the Land Protection Act, which took effect on 5 June 2021. The most important change is that solar power plants with nominal capacity of more than 0.5...
Solar power plant projects
During this webinar we will discuss topics including the “gold rush” in the energy sector, the principles of Hungarian regulation, the basic features of the KÁT system, the basic features of the...
CMS in Hungary
Like the rest of the world, businesses in Hungary are still facing with challenges and many un­cer­tain­ties. The challenges of recent times, the epidemic situation, the shortage of raw materials, the...
Hungary launches new METAR tender to grant green premium subsidies for...
On 15 July 2020, the Hungarian Energy and Public Utility Regulatory Authority (HEPURA) launched the second METAR Tender to support electrical energy produced from renewable sources. Ori­gin­ally introduced...
Hungary's parliament adopts electricity act amend­ment al­low­ing extension...
On 3 July 2020, the Hungarian parliament adopted an amendment to Act LXXXVI on electricity. Further to the state of emergency announced by the Government and surrounding COVID-19, the amendment authorises...
Here’s a selection of our energy sector credentials in Hungary: K&H Bank - on the Pannonia Ethanol financing amendment, which company is a leading renewable ethanol producer in Central and Eastern Europe, adds nearly EUR 500 million to Hungary’s GDP. MMBF, member of MFB Group, the Hungarian natural gas storage company - on a high-value refinancing matter. Our advice included the amendment of the term sheet, the facility agreement and security agreement and the issuing of the enforceability agreement. Engie SA - on the acquisition of a limited natural gas trading. CMS Budapest assisted the French and Romanian branches of Engie - which is a French multinational utility company operating in the fields of electricity generation and distribution, natural gas, nuclear, renewable energy and Petroleum - in the acquisition of a limited natural gas trading license. Further to the above, CMS Budapest proves advice to Engie in general in relation its gas trading activities in Hungary. Iberdrola - on all corporate and regulatory aspects of the acquisition of 25% ownership in Iberdrola Renowables Hungary from EBRD. The transaction was closed in June 2017.A major international energy company - on the planned acquisition of 7 SPVs and PV projects in Hungary, which deal is one of the biggest photovoltaic acquisitions in the Hungarian market with a total capacity of 330 MW. Legal work includes drafting EPC and O&M contracts as well.A major Renewable Energy company – on legal due dilgences services regarding the planned acquisition of a 20 MW PV project portfolio with green premium subsidy entitlement.A leading international oil and gas company – on their core strategic projects such as advising on the next phase of its US$1.9bn (EUR 1.6 bn) Polyol Project, which aims to make the company the only integrated polyol producer in CEE.A leading international commercial bankon the Solar Markt matter, on the financing of two solar plant projects, which included in-depth energy due diligence advisory, specific highly complex energy regulatory advice and the preparation of loan agreement documents;on the financing of a 57.4MW photovoltaic project consisting of three new power plants at Nadasd, Tuzser and Kapuvar in Hungary.A major commercial bankon the financing of 4 solar power plants (495 kW / each and a total capacity of 1,98 MW) in Domaszék. Our tasks included the due diligence and drafting and finalizing the facility agreements.A major international renewable energy company - on the planned acquisition of multiple SPVs and PV projects in several locations in Hungary, which deal is one of the biggest photovoltaic acquisitions in the Hungarian market.A major commercial bankon the financing of the solar power plant projects of a Slovak and Czech investor with an estimated total capacity of 11MW (22 x 0,5MW) to be realized within the framework of the KÁT system;on the financing of OMNI Energy. Our key tasks included the drafting of the facility and security agreements and representing the client during the negotiations and signing;on a photovoltaic project financing in Hungary. The photovoltaic power plants will be built close to Barcs, where DMJ Management Solutions Kft. is the borrower. We supported the client during the due diligence part of the transaction.
Hungary launches long-awaited green premium 'METÁR' tender
On 2 September 2019, Hungary launched the first pilot tender for the METÁR system, which supports electric energy produced from renewable sources. Originally introduced two years ago (1 January 2017)...