| Subject | English | Maltese |
| tech., law, el. | connecting closed distribution system operator | konnessjoni ta' operatur tas-sistema ta' distribuzzjoni magħluqa |
| gen. | connecting closed distribution system operator | CDSO ta' konnessjoni |
| tech., law, el. | connecting distribution system operator | konnessjoni ta' operatur tas-sistema ta' distribuzzjoni |
| gen. | connecting distribution system operator | DSO ta' konnessjoni |
| tech., law, el. | connection transmission system operator | operatur tas-sistema ta' trażmissjoni tal-konnessjoni |
| el. | distribution system operator | operatur tas-sistema ta' distribuzzjoni |
| energ.ind., el. | electricity transmission system operator | operatur tas-sistema ta' trażmissjoni |
| energ.ind. | European Network of Transmission System Operators | netwerk Ewropew tal-operaturi tas-sistemi tat-trażmissjoni |
| el. | European Network of Transmission System Operators for Electricity | Netwerk Ewropew għall-Operaturi tas-Sistema ta' Trażmissjoni tal-Elettriku |
| energ.ind. | gas transmission system operator | operatur tas-sistema ta' trażmissjoni |
| tech., law, el. | gate closure time of transmission system operator energy bid submission | ħin tal-għeluq tan-negozju għas-sottomissjoni tal-offerta tal-enerġija tal-operatur tas-sistema ta' trażmissjoni |
| energ.ind. | independent system operator | operatur indipendenti tat- trażmissjoni |
| energ.ind. | independent system operator | operatur indipendenti tas- sistema |
| proced.law., fin. | receiving system operator | operatur ta' sistema riċevitur |
| energ.ind. | storage system operator | operatur tas-sistema tal-ħżin |
| proced.law., fin. | system operator | operatur tas-sistema |
| energ.ind., el. | transmission system operator | operatur tas-sistema ta' trażmissjoni |