The High Voltage Service Providing Laboratory Unit is accredited by the Hellenic Accreditation System (E.S.Y.D.) according to ELOT ΕΝ ISO/IEC 17025 since 2008. The Scope of Accreditation includes electrical tests and measurements, electromagnetic compatibility (EMC) and immunity tests/measurements, as well as calibrations of Electrostatic Discharge (ESD), Burst and Surge generators, etc.

Since 2000 the High Voltage Service Providing Laboratory Unit is certified according to ELOT EN ISO 9001, for the design and performance of electrical and electromagnetic compatibility measurements and tests.