Certification

Integrated management system

ČEZ ESL, s.r.o. has implemented and certified an integrated management system (IMS) since 2004. This system consists of a quality management system according to ISO 9001, environmental protection management according to ISO 14001, and safety management according to ISO 45001 and also information security management according to ISO 27001 since 2009.

In 2016, the system was newly expanded with energy management according to ISO 50001, thanks to which the company can effectively reduce energy intensity, improve energy efficiency, use and consumption of energy. This system also covers the legislative requirement within the meaning of Act No. 406/2000 Sb., on energy management.

The company's welding quality system is certified according to the ČSN EN ISO 3834-2 standard and the execution of steel constructions according to the ČSN EN 1090-2 standard.

The authorized Water Management Laboratory, which is assessed by ASLAB—the Laboratory Competence Assessment Center, is also inspected annually by supervisory audits.

In November 2025, the company underwent a recertification audit, which—following two years of surveillance audits—assessed the integrated management system in the areas of quality management, environmental management, occupational safety management, energy management, and information security. The audit confirmed that the company’s processes comply with international standards, that the management system is effectively implemented, and that the company maintains a high level of safety. The audit was conducted by the renowned certification body BUREAU VERITAS CZECH REPUBLIC, and based on its findings, new certificates valid for another three years were issued.

The management system is certified for the following scope of activities

ČEZ Energetické služby, s.r.o., perceives an effectively functioning management system as an important tool that helps to increase the quality of services provided with regard to the environment, safety, and energy management, thus contributing to higher customer satisfaction.

ČEZ Energetické služby, s.r.o. has implemented and certified an integrated management system (IMS) since 2004. This system consists of quality management system according to ISO 9001, environmental protection management according to ISO 14001, and safety management according to OHSAS 18001.