SOS: NERC Terms and Definitions
SOS: NERC Terms and Definitions SOS: NERC Terms and Definitions SOS: NERC Terms and Definitions Area Control Error (ACE) - ANSWER-The instantaneous difference between a Balancing Authority's net actual and scheduled interchange, taking into account the effects of Frequency Bias, correction for meter error, and Automatic Time Error Correction (ATEC), if operating in the ATEC mode. ATEC is only applicable to Balancing Authorities in the Western Interconnection. Reporting ACE - ANSWER-The scan rate values of a Balancing Authority's ACE measured in MW, which includes the difference between the Balancing Authority's Net Interchange Actual and is Net Interchange Scheduled (NIs), plus its Frequency Bias obligation, plus any known meter error. In the Western Interconnection only, Reporting ACE includes Automatic Time Error Correction (ATEC). Regulation Reserve Sharing Group - ANSWER-A group whose members consist of two or more Balancing Authorities that collectively maintain, allocate, and supply the Regulating Reserve required for all member Balancing Authorities to use in meeting applicable regulating standards.
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- October 8, 2023
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- 2023/2024
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- Exam (elaborations)
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