Certificates of performance
State Energy Regulatory Board 14 July 2025 Decision No. SA-4791 issued by the Energy Installation Activity Certificate No. EI-0279.
State Energy Regulatory Board 14 July 2025 Decision No. SA-4790 issued by the Energy Facilities Operating Certificate No. E-0930.
UAB Tetas is certified by the Qualification Certificate No 4219 of the Construction Sector Development Agency, which entitles the Company to carry out construction of special structures.
The National Accreditation Bureau under the Ministry of Economy with accreditation certificate No. LA.01.154 Tetas UAB grants the right to carry out tests on current, voltage, combined metering transformers, power transformers, power circuit breakers and chromatographic analysis of transformer oil.
Management Certificates
- LST EN ISO 9001:2015 (ISO 9001:2015)
- LST EN ISO 14001:2015 (ISO 14001:2015)
- LST EN ISO 45001:2023 (ISO 45001:2018)
