Generation and Demand Resource (GDR101) Frequently Asked Questions
GDR 101 instructed the GDR operators on the reasons why ISO-NE Operators understand the consequences of not reacting quickly. Other questions may be emailed to the ISO-NE Operations Training Department.

NERC Standard VAR-002-1 states:

  • R3. Each Generator Operator shall notify its associated Transmission Operator as soon as practical, but within 30 minutes of any of the following:
    • R3.1. A status or capability change on any generator Reactive Power resource, including the status of each automatic voltage regulator and power system stabilizer and the expected duration of the change in status or capability.
    • R3.2. A status or capability change on any other Reactive Power resources under the Generator Operator’s control and the expected duration of the change in status or capability.
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