NERC Study Questions (2025/2026 Latest Update) | Verified Questions & Key Concepts

NERC Study Questions & Answer key


B) The Balancing Authority's generators on AGC will
decrease output




1. Balancing Authority A is
importing MW and has a tie-
Iine flowing into them when
the meter fails to zero.
Which of the following
statements is true?
A) The Balancing
Authority's frequency will
drop
B) The Balancing Authority's
generators on AGC will
decrease output
C) The Balancing Authority's
frequency will increase
D) The Balancing
Authority's ACE reading will
decrease

, NERC Study Questions & Answer key
A) The Balancing Authority's total demand indication will
increase




2. Balancing Authority A has
tie-line meter fail to zero on
a line that is exporting 200
MWs. Which of the
following statements is true?
A) The Balancing
Authority's total demand
indication will increase
B) The Balancing Authority's
generators on AGC will
decrease output
C) The Balancing Authority's
frequency will decrease
D) The Balancing
Authority's ACE reading will
increase




D) The rate of decrease of the voltage increases with the
load



3. How does a System
Operator realize the power
system is getting close to the
end of its available reactive
resources?
A) The voltage is increasing
B) The rate of
decrease/increase of the
voltage does not relate to
change in the load
C) The rate of increase of the
voltage decreases with the
load
D) The rate of decrease of
the voltage increases with
the load

, NERC Study Questions & Answer key
C) your ACE stays the same and frequency decreases



4. Which of the following
indications would result
from a significant loss of
generation on an external
BA?
A) your ACE goes up and
frequency stays the same
B) your ACE stays the same
and frequency increases
C) your ACE stays the same
and frequency decreases
D) your ACE goes down and
frequency drops




C) Call the crew that restored the line to check reading on
each phase

5. You have restored a line to
service after an outage. After
closing the line, one of the
phases shows no current
flow. What is your next
action?
A) Have the on-site crew
open the line
B) Notify your RC
C) Call the crew that
restored the line to check
reading on each phase
D) Report RTU problem

, NERC Study Questions & Answer key
C) Directing a Generator Operator to maintain current
MVAR output of a generator


6. Which of the following
would classify as an
Operating Instruction?
A) Requesting generator
status from a Generator
Operator
B) Discussing Operating
Plan with an Adjacent
Transmission Operator
C) Directing a Generator
Operator to maintain current
MVAR output of a generator
D) Requesting outage
information from a
Distribution Provider




A) Take your CTs off-line




7. After the winter morning
peak, you have CTs base-
loaded unable to decrease
output and other units unable
to regulate any lower.
Nuclear units are loaded and
your solar is starting to pick
up. ACE is trending up and
you have no regulation.
What would you do?
A) Take your CTs off-line
B) Increase Interchange out
C) Curtail solar power
production
D) Consider available
spinning reserve and replace
resources planned for the day