- Substation 110/20 kV Yambol 1
- Substation 110/20/10 kV Yambol Center
- Substation 110/20 kV Sunny Beach
- Substation 110/20/10 KV Topolovgrad
- Substation 110/20/10 KV Elhovo
- Substation 110/20/6 kV Georgi Mihailov
- Outdoor Switch Yard 110 кV HPS Kardjali
- Substation 110/20 kV Burgas Industry
Substations
