NERC Certification Exam Questions with Verified
Answers |2026/2027 Update | A+ Graded
Defined disturbance for DCS- MSSC(80%) = 650(80%) = 520
What is the ACE based on the following information?
NIa = 350
I ME = 0
NIs = 50
FA = 59.98
Bias -250MW/0.1 Hz - Answer -250 MW
Control Performance Standard 2(CPS 2) was replaced as a Balancing Authority performance
measure by which of the following measures? - Answer -BAAL (Balancing Authority ACE Limit)
What is not a cause of inadvertent accumulation? - Answer -Market Response
Each Distribution Provider (DP) shall comply with all operating instructions issued by the
_________________, including shedding firm load, unless such actions would violate safety,
equipment, regulatory or statutory requirements. - Answer -Balancing Authority
1|Page
,If a Transmission Operator has an anticipated emergency condition, it shall inform? - Answer -RC
(Reliability Coordinator)
BA (Balancing Authority
TOPs (Transmission Operators
Each Balancing Authority and Transmission Operators shall provide Operating Plans for next-day
operations with its - Answer -RC (Reliability Coordinator)
Transmission Operators shall notify entities identified in their next-day operating of the
following: - Answer -Their role in the plan
Each BA shall have an Operating Plan for the next day that addresses all of the following EXCEPT
- Answer -Transmission Outages
Each Generator Operator shall provide outage information daily to its _____________ for
scheduled generator outages planned for the next day.
1. Balancing Authority
2. Reliability Authority
3. Transmission Operator
4. Market Participant - Answer -1&3
2|Page
,Each Transmission Operator shall operate so that __________, uncontrolled separation, or
cascading outages will not occur as a result of the most severe single contingency. - Answer -
Instability
Each Transmission Operator, Balancing Authority, and Generator Operator shall plan and
coordinate scheduled outages of all of the following system voltage regulating equipment,
among affected Balancing Authorities and Transmission Operators as required except? - Answer
-Phase Angle Regulating Transformers
Each Transmission Operator shall, when practical, operate to protect against instability,
uncontrolled separation, or cascading outages resulting from multiple outages, as specified by
its - Answer -RC (Reliability Coordinator)
Each Reliability Coordinator, Transmission Operator, and Balancing Authority shall monitor
what? - Answer -System Frequency
What two pieces of information must each Reliability Coordinator, Transmission Operator, and
Balancing Authority have available to predict the system's near-term load pattern? - Answer -
Weather forecasts and past load patterns
You are in your control center on night shift. You receive an updated weather forecast for the
operating day that indicates the weather is forecast to be 5 degrees hotter. What should you
do? - Answer -Review the load forecast to determine if any change in the load forecast is
required and if the system is appropriately scheduled
3|Page
, Each Reliability Coordinator, Transmission Operator, and Balancing Authority shall monitor all of
the following except? - Answer -Generator output (only Generator Operator can monitor
Generator Output)
Each Generator Operator shall inform its ___________________ and the Transmission Operator
of all generation resources available for use. - Answer -Hosting Balancing Authority
Who must a Transmission Operator notify if it disconnects an overloaded facility? - Answer -It's
RC and Neighboring TOP's impacted by the disconnection.
If the Reliability Coordinator has determined the actions taken to address an IROL
(Interconnection operating limit) or SOL (System operating limit) violation are not appropriate
or sufficient, what must it do? - Answer -Direct actions required to return the system to within
limits.
After any event that results in an IROL violation, the Transmission Operator shall return its
transmission system to within IROL as soon as possible, but not longer than _____ minutes.
A) 15 mins
B) 30 mins
4|Page
Answers |2026/2027 Update | A+ Graded
Defined disturbance for DCS- MSSC(80%) = 650(80%) = 520
What is the ACE based on the following information?
NIa = 350
I ME = 0
NIs = 50
FA = 59.98
Bias -250MW/0.1 Hz - Answer -250 MW
Control Performance Standard 2(CPS 2) was replaced as a Balancing Authority performance
measure by which of the following measures? - Answer -BAAL (Balancing Authority ACE Limit)
What is not a cause of inadvertent accumulation? - Answer -Market Response
Each Distribution Provider (DP) shall comply with all operating instructions issued by the
_________________, including shedding firm load, unless such actions would violate safety,
equipment, regulatory or statutory requirements. - Answer -Balancing Authority
1|Page
,If a Transmission Operator has an anticipated emergency condition, it shall inform? - Answer -RC
(Reliability Coordinator)
BA (Balancing Authority
TOPs (Transmission Operators
Each Balancing Authority and Transmission Operators shall provide Operating Plans for next-day
operations with its - Answer -RC (Reliability Coordinator)
Transmission Operators shall notify entities identified in their next-day operating of the
following: - Answer -Their role in the plan
Each BA shall have an Operating Plan for the next day that addresses all of the following EXCEPT
- Answer -Transmission Outages
Each Generator Operator shall provide outage information daily to its _____________ for
scheduled generator outages planned for the next day.
1. Balancing Authority
2. Reliability Authority
3. Transmission Operator
4. Market Participant - Answer -1&3
2|Page
,Each Transmission Operator shall operate so that __________, uncontrolled separation, or
cascading outages will not occur as a result of the most severe single contingency. - Answer -
Instability
Each Transmission Operator, Balancing Authority, and Generator Operator shall plan and
coordinate scheduled outages of all of the following system voltage regulating equipment,
among affected Balancing Authorities and Transmission Operators as required except? - Answer
-Phase Angle Regulating Transformers
Each Transmission Operator shall, when practical, operate to protect against instability,
uncontrolled separation, or cascading outages resulting from multiple outages, as specified by
its - Answer -RC (Reliability Coordinator)
Each Reliability Coordinator, Transmission Operator, and Balancing Authority shall monitor
what? - Answer -System Frequency
What two pieces of information must each Reliability Coordinator, Transmission Operator, and
Balancing Authority have available to predict the system's near-term load pattern? - Answer -
Weather forecasts and past load patterns
You are in your control center on night shift. You receive an updated weather forecast for the
operating day that indicates the weather is forecast to be 5 degrees hotter. What should you
do? - Answer -Review the load forecast to determine if any change in the load forecast is
required and if the system is appropriately scheduled
3|Page
, Each Reliability Coordinator, Transmission Operator, and Balancing Authority shall monitor all of
the following except? - Answer -Generator output (only Generator Operator can monitor
Generator Output)
Each Generator Operator shall inform its ___________________ and the Transmission Operator
of all generation resources available for use. - Answer -Hosting Balancing Authority
Who must a Transmission Operator notify if it disconnects an overloaded facility? - Answer -It's
RC and Neighboring TOP's impacted by the disconnection.
If the Reliability Coordinator has determined the actions taken to address an IROL
(Interconnection operating limit) or SOL (System operating limit) violation are not appropriate
or sufficient, what must it do? - Answer -Direct actions required to return the system to within
limits.
After any event that results in an IROL violation, the Transmission Operator shall return its
transmission system to within IROL as soon as possible, but not longer than _____ minutes.
A) 15 mins
B) 30 mins
4|Page
