What does the LEX OZE III amendment bring? Key changes overview

On 4 March 2025, the Chamber of Deputies approved an amendment to Act No. 458/2000 Coll., the Energy Act, known as LEX OZE III. This amendment primarily focuses on energy storage, aggregation, and flexibility—key milestones in the modernization of the energy sector. However, the most attention-grabbing change is the controversial adjustment of support conditions for certain photovoltaic (PV) projects. The LEX OZE III amendment represents a significant reform in energy legislation. On one hand, it supports the development of renewable energy in the Czech Republic, strengthens community energy projects, and enhances grid stability. On the other hand, it imposes stricter conditions for large photovoltaic projects that have been in operation since 2009–2010. Additionally, the amendment introduces so-called capacity mechanisms that could encourage the construction of new combined-cycle gas power plants. This is just the first step, requiring further legislative measures to define the conditions for these mechanisms. Later this year, the adoption of LEX Gas is expected, aimed at accelerating the permitting and construction of combined-cycle gas power plants over 100 MW to facilitate the transition from coal to gas.

Download our summary of the key changes introduced by the amendment.