- Connection contract - https://www.elia.be/en/customers/connection/connection-contract
- Access contract - https://www.elia.be/en/customers/access/access-contract
- BRP Contract - https://www.elia.be/en/electricity-market-and-system/role-of-brp/how-to-become-a-brp
- Contract for additional Metering services - https://www.elia.be/en/customers/metering/additional-metering-services
- Ancillary -BSP contract - https://www.elia.be/en/electricity-market-and-system/system-services/becoming-a-balancing-service-provider