NERC Certification Exam Latest 2026/2027 Questions
and Correct Detailed Answers Already Graded A+
Units with nameplate ratings of _____ or greater should be equipped with
governors.
A) 25 MW
B) 15 MW
C) 10 MW
D) 50 MW - CORRECT ANSWER-C) 10 MW
There are how many ways to make adjustments for a time error correction?
A) 2
B) 3
,C) 5
D) 6 - CORRECT ANSWER-A) 2
Who can serve as an Interconnection Time Monitor? - CORRECT ANSWER-Only
Reliability Coordinators
BAs use ______ to automatically direct the loading of regulating reserves on their
system. - CORRECT ANSWER-AGC (Automatic Generation Control)
The MSSC for your BA is 650 MW. Your reporting threshold is > 520 MW. (650 x
80%). What is the percent of recovery for the following situation?
Loss of a 575 MW unit
Pre-disturbance Ace = 150 MW
Post-recovery Ace = 10 MW - CORRECT ANSWER-+150 + (-575) = -425
-425 + (x) = 10, x= 435
,435/425= 100%
The MSSC for your BA is 650 MW. Your reporting threshold is >/equal to 520 MW.
(650 x 80%) What is the percent of recovery for the following situation?
Loss of a 600 MW unit
Pre-disturbance Ace = 150 MW
Post-recovery Ace = -50MW - CORRECT ANSWER-+150 + (-600) = -450
-450 + (x) = -50, x= 400
400/450= 89%
Units with nameplate ratings of 10 MW or greater should be equipped with
governors which have a droop of ______% - CORRECT ANSWER-5%,
All of the reasons listed below can be a cause of inadvertent accumulation except
- CORRECT ANSWER-Market response
, Each Balancing Area shall operate its AGC on ______, unless such operation is
adverse to system or Interconnection reliability. - CORRECT ANSWER-Tie-Line
Frequency Bias
If a BA is unable to calculate ACE for more than _________ it shall notify its RC -
CORRECT ANSWER-30 minutes
As a minimum, the BA must provide its System Operators with real-time values
for all of the following except ______ with each adjacent BA. - CORRECT
ANSWER-MVAR flows
Your BA has a Net Scheduled Interchange of 500 MW and your Actual Interchange
is 750MW . The frequency bias setting for your BA is -45 MW/0.10 Hz. The actual
frequency is 60.02 HZ. What is your ACE? what is the formula? - CORRECT
ANSWER-259 MW
ACE= N(IA) - N(IS) - [10(B)[(F(a) - F(s)) - Ime
The data scan rate for the ACE calculation has to occur at least every?
A) 30 seconds
and Correct Detailed Answers Already Graded A+
Units with nameplate ratings of _____ or greater should be equipped with
governors.
A) 25 MW
B) 15 MW
C) 10 MW
D) 50 MW - CORRECT ANSWER-C) 10 MW
There are how many ways to make adjustments for a time error correction?
A) 2
B) 3
,C) 5
D) 6 - CORRECT ANSWER-A) 2
Who can serve as an Interconnection Time Monitor? - CORRECT ANSWER-Only
Reliability Coordinators
BAs use ______ to automatically direct the loading of regulating reserves on their
system. - CORRECT ANSWER-AGC (Automatic Generation Control)
The MSSC for your BA is 650 MW. Your reporting threshold is > 520 MW. (650 x
80%). What is the percent of recovery for the following situation?
Loss of a 575 MW unit
Pre-disturbance Ace = 150 MW
Post-recovery Ace = 10 MW - CORRECT ANSWER-+150 + (-575) = -425
-425 + (x) = 10, x= 435
,435/425= 100%
The MSSC for your BA is 650 MW. Your reporting threshold is >/equal to 520 MW.
(650 x 80%) What is the percent of recovery for the following situation?
Loss of a 600 MW unit
Pre-disturbance Ace = 150 MW
Post-recovery Ace = -50MW - CORRECT ANSWER-+150 + (-600) = -450
-450 + (x) = -50, x= 400
400/450= 89%
Units with nameplate ratings of 10 MW or greater should be equipped with
governors which have a droop of ______% - CORRECT ANSWER-5%,
All of the reasons listed below can be a cause of inadvertent accumulation except
- CORRECT ANSWER-Market response
, Each Balancing Area shall operate its AGC on ______, unless such operation is
adverse to system or Interconnection reliability. - CORRECT ANSWER-Tie-Line
Frequency Bias
If a BA is unable to calculate ACE for more than _________ it shall notify its RC -
CORRECT ANSWER-30 minutes
As a minimum, the BA must provide its System Operators with real-time values
for all of the following except ______ with each adjacent BA. - CORRECT
ANSWER-MVAR flows
Your BA has a Net Scheduled Interchange of 500 MW and your Actual Interchange
is 750MW . The frequency bias setting for your BA is -45 MW/0.10 Hz. The actual
frequency is 60.02 HZ. What is your ACE? what is the formula? - CORRECT
ANSWER-259 MW
ACE= N(IA) - N(IS) - [10(B)[(F(a) - F(s)) - Ime
The data scan rate for the ACE calculation has to occur at least every?
A) 30 seconds
