TC 57 consists of several working groups, each of which is responsible for development of standards within its domain. The active working groups are listed below.
| TC 57 Working Groups |
|---|
| Working Group | Details | Standards Developed or related |
|---|
| WG 3 | Telecontrol & Teleprotection standards | IEC 60870-5 |
| WG 10 | IED communications & associated data models in power systems | IEC 61850 |
| WG 13 | Energy management systems - Application Program Interfaces | IEC 61970 |
| WG 14 | Distribution management systems - System Interfaces | IEC 61968 |
| WG 15 | Data & Communication Security | IEC 62351 |
| WG 16 | Standards related to energy market communications | IEC 62325 |
| WG 17 | Communication systems for Distributed Energy Resources (DER) | IEC 61850-7-420 |
| WG 18 | Communication systems for Hydroelectric power plants | IEC 61850-7-410 |
| WG 19 | Interoperability within TC57 in the long term | standards for integration of CIM & SCL |
| WG 20 | Planning of power line carrier systems | |
| WG 21 | Other communication technologies | KNX (IEC 14543),BACnet (ISO 16484-5),Echonet (14543-4),Profibus & Profinet (IEC 61158/IEC 61784),LonTalk (IEC 14908.1)... |