| Function | Definition | Function abbreviation for display name | Remark |
|---|
| Balance Responsible Party | A market participant or its chosen representative responsible for its imbalances. | BRP | Supplier, BRP, dealer (depending on which function is assigned first) |
| Capacity Trader (previously Sales & Trading in Swissgrid system) | A party that has a contract to participate in the Capacity Market to acquire capacity through a Transmission Capacity Allocator. | ST | Supplier, BRP, dealer (depending on which function is assigned first) |
| Consumer | A party that consumes electricity. | CO | |
| Grid Operator | A party that operates one or more grids. | GO | |
| Shared Power Plant | | SPP | |
| Certifying Party | Accredited certification party for the registration of guarantees of origin and the implementation of federal programmes to promote renewable energies. | CP | |
| Power Plant Operator | Operator of the power plant who controls and regulates production. The EIC is used for the uniqueness of APS/PPS messages. EIC is used for the uniqueness of APS/PPS messages. | KWB | |
| Ancillary Services Provider | The ancillary service provider is responsible for the ancillary service system and markets it. The EIC is used for uniqueness in the SDL B&E system. | SDV | |
| Third Party Supplier | | FLF | |
| Hydro Power Reserve Provider | | WKRV | |
| Prod-Units-Pool foreign BG | | P-EZE | |
| Reserve Power Plant Provider | | RKW | |
| Datahub | A platform that transmits data from energy metering points or individual processes without storing it. | DH | |
| Information Provider | An entity providing information either of own origin or on behalf of one or more parties | IP | |
| Energy Supplier | An Energy Supplier supplies electricity to or takes electricity from a Party Connected to the Grid at an Accounting Point. | ES | |
| LEG/vZEV | Local electricity communities (LEG) and virtual associations for self-consumption (vZEV). | LZ | |