IEC 61970

The IEC 61970 series of standards by the International Electrotechnical Commission (IEC) deals with the application program interfaces for energy management systems (EMS). The series provides a set of guidelines and standards to facilitate:
 * The integration of applications developed by different suppliers in the control center environment
 * The exchange of information to systems external to the control center environment, including transmission, distribution and generation systems external to the control center that need to exchange real-time data with the control center
 * The provision of suitable interfaces for data exchange across legacy and new systems

Set of standards
The complete set of standards includes the following parts:
 * Part 1: Guidelines and general requirements
 * Part 2: Glossary
 * Part 3XX: Common Information Model (CIM)
 * Part 4XX: Component Interface Specification (CIS)
 * Part 5XX: CIS Technology Mappings