NERC RC Exam 2026 | North American Electric Reliability Corporation (NERC), Exams of Electrical and Electronics Engineering

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NERC RC Exam 2026 | North American Electric

Reliability Corporation (NERC), Reliability

Operator Certification (RC) Exam | Updated

Version | Graded A+

Where applicable, telecommunications facilities shall utilize different infrastructure. Which of the following is also required of these facilities? A. State of the art B. Redundancy C. Solid state D. Resplendency ---------CORRECT ANSWER-----------------B. Redundancy What does NERC's concern with communications systems center mostly on? A. Backup systems B. Reliability C. Cost D .Training ---------CORRECT ANSWER-----------------B. Reliability

Which language has been established for all communications between and among operating personnel responsible for real-time generation control and operations of the Interconnected Bulk electric system? A. Spanish B .English/French C. English/Spanish D. English ---------CORRECT ANSWER-----------------D. English Each control room should test its telecommunications facilities. Special attention should be given to emergency telecommunications facilities as well as what other equipment? A. Broadband communication channels B. Relay switches C. Equipment not used for routine communications D. Short-wave radios ---------CORRECT ANSWER-----------------C. Equipment not used for routine communications A Transmission Operator receives an oral two-party, person-to-person Operating Instruction from the Reliability Coordinator but doesn't completely understand the Instruction. He/she can:

B. Notify the Reliability Coordinator and all other potentially affected Transmission Entities. C. Use English language, unless agreed to otherwise. D. Specify instances that require time identification when issuing an oral or written Operating Instruction and the format for that time identification. --------- CORRECT ANSWER-----------------C. Use English language, unless agreed to otherwise. D. Specify instances that require time identification when issuing an oral or written Operating Instruction and the format for that time identification. A Transmission Operator receives an Operating Instruction from its Reliability Coordinator. The Transmission Operator must repeat the Operating Instruction back to the Reliability Coordinator: A. Not necessarily verbatim as long as the major components of the Operating Instruction are repeated correctly. B. Verbatim every time the Transmission Operator receives an Operating Instruction during an emergency. C. Verbatim every time the Transmission Operator receives an Operating Instruction. D. Only during an emergency or alert. ---------CORRECT ANSWER-----------------A. Not necessarily verbatim as long as the major components of the Operating Instruction are repeated correctly.

Each Transmission Operator, Balancing Authority, and Reliability Coordinator shall develop a documented communication protocol for its operating personnel who issue and receive ________. A. Directives B. Operating Instructions C. Operating Migration Directions D. Operation Planning Instructions ---------CORRECT ANSWER-----------------B. Operating Instructions An operating Instruction is defined as: A. A discussion of general information and potential options or alternatives to resolve Bulk Electric System operating concerns. B. An order issued by a Reliability Coordinator only. C. A command by operating personnel responsible for the Real-time operation of the interconnected Bulk Electric System to change or preserve the state, status, output, or input of an Element of the Bulk Electric System or Facility of Bulk Electric System. D. An order by a NERC Certified System Operator Planning Electrical Engineer. ----- ----CORRECT ANSWER-----------------C. A command by operating personnel responsible for the Real-time operation of the interconnected Bulk Electric System to change or preserve the state, status, output, or input of an Element of the Bulk Electric System or Facility of Bulk Electric System.

C. To identify sabotage. D. To identify constraints. E. To identify weather related impacts. ---------CORRECT ANSWER-----------------B. To predict operations. D. To identify constraints. Quality of Real-time data is necessary to perform which reliability tasks? Select all that apply. A. Communication B. Analysis functions C. Real-time D. restoration ---------CORRECT ANSWER-----------------B. Analysis functions C. Real-time What is the value that satisfies the most limiting of the prescribed operating criteria for a specified system configuration to ensure operation within acceptable reliability criteria? A. Operating Security Limit B. System Operating Limit C. Interconnected Reliability Operating Limit

D. Interconnected Operating Limit ---------CORRECT ANSWER-----------------B. System Operating Limit When does the Contingency Reserve Restoration Period begin? A. At the top of the hour after the Reportable Disturbance B. At the start of the Reportable Disturbance C. At the end of the Disturbance Recovery Period D. When all Contingency Reserve has been exhausted ---------CORRECT ANSWER--- --------------C. At the end of the Disturbance Recovery Period Which of the following terms is defined as 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 its Net Interchange Scheduled, plus its Frequency Bias obligation, plus any known meter error? A. Automatic Time Error B. Reporting ACE C. ACE Control Error D. Reserve Sharing Group Reporting ---------CORRECT ANSWER-----------------B. Reporting ACE

A. +100 MW

B. - 100 MW

C. 0 MW

D. - 55 MW ---------CORRECT ANSWER-----------------C. 0 MW

Which of the following elements is NOT included in the ACE equations frequency component? A. Actual Frequency (FA) B. Scheduled Frequency (FS) C. Frequency Bias Setting (B) D. Meter Error (IME) ---------CORRECT ANSWER-----------------D. Meter Error (IME) A Balancing Authority is slightly undergenerating its Actual System Frequency (FA) is 60.03 Hz. What is the result of the Balancing Authority's action? A. The Balancing Authority is helping the Interconnection Frequency. B. The Balancing Authority is in CPS1 violation. C. The Balancing Authority is hurting the Interconnection Frequency. D. The Balancing Authority is in BAAL violation ---------CORRECT ANSWER------------- ----A. The Balancing Authority is helping the Interconnection Frequency

Which statement best describes the CPS1 requirement? A. ACE must follow changes in load and schedule within a bandwidth called L10. B. The Responsible Entity must operate so its CPS1 is greater than or equal to 100% for the preceding 1 2 - month period. C. The average ACE for a defined 10-minute period must be within a limit called L10. D. ACE must start to return to zero one minute after crossing zero. --------- CORRECT ANSWER-----------------B. The Responsible Entity must operate so its CPS is greater than or equal to 100% for the preceding 12-month period A Balancing Authority's CPS1 calculation is computed using its clock-minute average of two values. What are those two values? A. Reporting ACE and Frequency Error B. Actual and Scheduled Net Interchange NIA and NIS. C. L10 and Reporting ACE D. Actual and Scheduled Frequency (FA and FS) ---------CORRECT ANSWER------------ -----A. Reporting ACE and Frequency Error To conform to CPS requirements, a Balancing Authority must have which of the following?

A. 3 and 4 B. 2 and 3 C. 1 and 3 D. 1 and 2 ---------CORRECT ANSWER-----------------C. 1 and 3 In an Interconnection, which of the following is required to be in the metered boundaries of a Balancing Authority Area? A. Generation B. Transmission C. Load D. All are required to be within the metered boundaries of a Balancing Authority. - --------CORRECT ANSWER-----------------D. All are required to be within the metered boundaries of a Balancing Authority. The minimum compliance for NERC Disturbance Control Standard (DCS) is ________? A. 90% of all reportable disturbances B. 90% of all disturbances C. 100% for all reportable disturbances D. 100% for all generator tips ---------CORRECT ANSWER-----------------C. 100% for all reportable disturbances

A Balancing Authority has a normal load of around 8500 MW. Its most severe single contingency is a 700 MW coal-fired steam unit. At 0810, the ACE value was at - 55 MW when a 600 MW generator in the Balancing Authority's northern area tripped off line due to a generator differential. This event resulted in a large negative ACE for the Balancing Authority. What value must ACE return to and in what time frame to avoid a DCS violation? A. - 55 MW ACE in 15 minutes B. Zero ACE in 10 minutes C. - 55 MW ACE in 10 minutes D. Zero ACE in 15 minutes ---------CORRECT ANSWER-----------------A. - 55 MW ACE in 15 minutes If a Reserve Sharing Group member has experienced a Reportable Disturbance condition but does not call for reserve activation from other members, the entire group is considered to be in a disturbance condition. A. True B. False ---------CORRECT ANSWER-----------------B. False Turbine governors arrest Frequency deviations. Of the following, which control system compares and brings Net Actual Interchange back in line or as close to Net Scheduled Interchange as possible?

A Balancing Authority's frequency indication has become erratic and unreliable. Which AGC mode should the Balancing Authority operate in? A. Manual Control B. Flat Frequency Control C. Tie Line Bias Control D. Flat Tie Line Control ---------CORRECT ANSWER-----------------D. Flat Tie Line Control Which of the following is required to ensure Balancing Authority operators are aware of errors associated with data used for calculating Reporting ACE, and how to mitigate those errors? A. An Operating Process for identifying and mitigating errors B. A separate, independent alarm system for ACE data errors C. A backup Reporting ACE calculation using data from an independent source D. Monthly training on identifying and mitigating errors ---------CORRECT ANSWER- ----------------A. An Operating Process for identifying and mitigating errors What is the availability requirement per calendar year for frequency metering used for calculating Reportable ACE? A. 99.50% B. 99.00%

C. 99.95%

D. .995% ---------CORRECT ANSWER-----------------C. 99.95%

A Balancing Authority has discovered one tie line meter reading is off by 30 MW, causing the ACE values to be incorrect. What should be done to temporarily adjust for the error until the meter can be calibrated or repaired? A. Take the numbers from the incorrect tie line and insert them into the NIS portion of the ACE equation B. Use the IME portion of the equation to adjust for the meter error C. Change the AGC mode to Flat Frequency Control D. Change the Frequency Bias part of the ACE equation to reflect the error --------- CORRECT ANSWER-----------------B. Use the IME portion of the equation to adjust for the meter error Which of the following terms of the ACE equation is not affected by frequency? A. NIA B. FA C. B D. All terms are affected ---------CORRECT ANSWER-----------------C. B

D. Determine the capability of supporting the magnitude of the Interchange ------- --CORRECT ANSWER-----------------D. Determine the capability of supporting the magnitude of the Interchange When an Interchange Transaction is approved, the full amount will travel on the reserved path per the E-tag. A. True B. False ---------CORRECT ANSWER-----------------B. False The communication and coordination of the Interchange process is carried out by the Interchange Authority. The Interchange Authority is best described as which of the following? A. Generation Control of Actual Interchange B. Energy Management System C. A computer software program of Electronic Tagging D. Interconnection Distribution Calculator ---------CORRECT ANSWER----------------- C. A computer software program of Electronic Tagging When a transaction is approved and becomes Confirmed Interchange, which entities must be notified?

A. Only the Source and Sink Balancing Authorities and the Reliability Coordinator B. All Balancing Authorities, Transmission Service Providers, Purchasing Selling Entities in the Interconnection C. All involved Balancing Authorities, Transmission Operators, and Purchasing Selling Entities D. All involved Balancing Authorities, Transmission Service Providers, Purchasing Selling Entities, and affected Reliability Coordinators ---------CORRECT ANSWER----- ------------D. All involved Balancing Authorities, Transmission Service Providers, Purchasing Selling Entities, and affected Reliability Coordinators What is the definition of Confirmed Interchange? A. The state where no party has denied, and the Transmission Operator approves the Arranged Interchange B. The state where no party has denied, and all required parties have approved the Arranged Interchange C. Interchange that has been approved by the Reliability Coordinator D. The state where no party has denied, and the Balancing Authority approves the Arranged interchange ---------CORRECT ANSWER-----------------B. The state where no party has denied, and all required parties have approved the Arranged Interchange Four Balancing Authorities are involved in an Interchange Transaction. Balancing Authority D is the Sink and Balancing Authority A is the Source. BA-B and BA-C are Intermediate Balancing Authorities. BA-B must agree on the Composite Confirmed Interchange with whom?