TIS 131 450Throughout the deep transition, Transgrid is responsible for ensuring sufficient system security services are available to keep the NSW power system operating within its safe and secure technical envelope. Maintaining power system security is becoming increasingly complex as coal generators retire and as new renewable generators and loads connect, requiring new assets and non-network security services. Without adequate system security services, generators may be unable to remain connected during disturbances to the power system, control of the system voltage becomes more difficult and protection systems that ensure safe operation of the network may not operate correctly.
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