PJM Generation Dispatch Exam 2025
Questions and Answers
Which of the following statements is correct concerning PJM assuming frequency
control of the restoration process?
A) PJM assumes control once an external transmission tie has been established.
B) Once an Area Control Error can be calculated, PJM will assume control.
C) Whenever it becomes too much of a burden for any one Transmission Owner
within the RTO
D) Whenever the Transmission Owners within the RTO agree to let PJM control
the process. - --CORRECT ANSWER--C) Whenever it becomes too much of a
burden for any one Transmission Owner within the RTO
During black start restoration, priority access to cranking power should be given
to:
A) Hot units that can return to service immediately.
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,B) Combustion turbines in areas where the initial disturbance occurred
C)Units with black start capability
D) Hydro Units - --CORRECT ANSWER--A) Hot units that can return to service
immediately.
During a restoration, if you are presented with the opportunity to re-connect with
the Eastern Interconnection, you should:
A)Not pursue this opportunity because you may cause the Eastern Interconnection
to become unstable.
B) Pursue this opportunity only when you have adequate Dynamic Reserves on
your system
C) Pursue this opportunity as quickly as possible
D) Pursue this opportunity only if you need cranking power for your generating
unity - --CORRECT ANSWER--C) Pursue this opportunity as quickly as possible
Complete (Total System) Blackouts are characterized by which of the following?
1 - Most common type of blackout
2 - May require coordinating multiple islands
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,3 - Likely to result in Transmission overloads or other issues
4 - Affects a very large geographical area, and many customers
5 - Most commonly caused by human or switching errors
A) 1 & 3
B) 2 & 4
C) 3 & 5
D) 1 - --CORRECT ANSWER--B) 2 & 4
The first step in a system restoration would be to:
A) Immediately notify the media of the event
B) Restore as much of the area load as possible
C) Restore as much under-frequency load as possible
D) Verify that communication is functional with your neighbors - --CORRECT
ANSWER--D) Verify that communication is functional with your neighbors
Why would an offsite power to generating facilities be a priority during the
restoration process?
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, A) To provide safe shutdown power for the units
B) To meet FERC requirements
C) To provide adequate lighting for the plant operators to attempt a restart
D) To prepare and expedite the return of the unit - --CORRECT ANSWER--D)
To prepare and expedite the return of the unit
Factors that help determine the sequence of restoration of off-line generation
include (Pick 2):
-Generation Type
-Unloaded Capacity
-Unit Availability
-Stability of the Generator - --CORRECT ANSWER---Generation Type
-Unit Availability
How often should a Transmission company file an updated restoration report with
PJM?
1 - Every 30 minutes
2 - Every hour
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 4
Questions and Answers
Which of the following statements is correct concerning PJM assuming frequency
control of the restoration process?
A) PJM assumes control once an external transmission tie has been established.
B) Once an Area Control Error can be calculated, PJM will assume control.
C) Whenever it becomes too much of a burden for any one Transmission Owner
within the RTO
D) Whenever the Transmission Owners within the RTO agree to let PJM control
the process. - --CORRECT ANSWER--C) Whenever it becomes too much of a
burden for any one Transmission Owner within the RTO
During black start restoration, priority access to cranking power should be given
to:
A) Hot units that can return to service immediately.
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
,B) Combustion turbines in areas where the initial disturbance occurred
C)Units with black start capability
D) Hydro Units - --CORRECT ANSWER--A) Hot units that can return to service
immediately.
During a restoration, if you are presented with the opportunity to re-connect with
the Eastern Interconnection, you should:
A)Not pursue this opportunity because you may cause the Eastern Interconnection
to become unstable.
B) Pursue this opportunity only when you have adequate Dynamic Reserves on
your system
C) Pursue this opportunity as quickly as possible
D) Pursue this opportunity only if you need cranking power for your generating
unity - --CORRECT ANSWER--C) Pursue this opportunity as quickly as possible
Complete (Total System) Blackouts are characterized by which of the following?
1 - Most common type of blackout
2 - May require coordinating multiple islands
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
,3 - Likely to result in Transmission overloads or other issues
4 - Affects a very large geographical area, and many customers
5 - Most commonly caused by human or switching errors
A) 1 & 3
B) 2 & 4
C) 3 & 5
D) 1 - --CORRECT ANSWER--B) 2 & 4
The first step in a system restoration would be to:
A) Immediately notify the media of the event
B) Restore as much of the area load as possible
C) Restore as much under-frequency load as possible
D) Verify that communication is functional with your neighbors - --CORRECT
ANSWER--D) Verify that communication is functional with your neighbors
Why would an offsite power to generating facilities be a priority during the
restoration process?
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 3
, A) To provide safe shutdown power for the units
B) To meet FERC requirements
C) To provide adequate lighting for the plant operators to attempt a restart
D) To prepare and expedite the return of the unit - --CORRECT ANSWER--D)
To prepare and expedite the return of the unit
Factors that help determine the sequence of restoration of off-line generation
include (Pick 2):
-Generation Type
-Unloaded Capacity
-Unit Availability
-Stability of the Generator - --CORRECT ANSWER---Generation Type
-Unit Availability
How often should a Transmission company file an updated restoration report with
PJM?
1 - Every 30 minutes
2 - Every hour
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 4
