AETS was contracted by the EU Delegation to support Elektromreza Srbije (EMS), the Serbian Transmission System and Market Operator. Some of the existing substations owned by EMS work without mineral oil waste leakage sumps since their construction, and some sumps are broken and have to be reconstructed. In order to be in line with current Serbian law and EU directives in the field of mineral oil management, EMS had to properly manage mineral oil (for maintenance of HV power transformers and HV circuit breakers), mineral oil waste and build mineral oil waste sumps for substations 400/X kV, 220/X kV and 110/X kV which are working without them. AETS therefore assisted EMS to: - Apply Serbian and EU environmental legislation - Organise adequate management of mineral oil and mineral oil waste.

Climate and Natural Resources

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