PJM TRANSMISSION LATEST 2026 EVALUATION TEST
QUESTIONS AND SOLUTIONS GUARANTEE A+
✔✔What locations does PJM monitor for Solar Magnetic Disturbances? How many
amps measurement is required? - ✔✔Solar Magnetic Disturbances
geomagnetic storm is detected that produces a DC measurement at Missouri Avenue in
Atlantic City and/or Meadow Brook Station near Winchester, Virginia at a magnitude
greater than 10 amps and PJM dispatcher confirms that this measurement is a result of
a severe geomagnetic storm by checking additional sources of information.
✔✔At what PJM Security threat level will PJM consider staffing selected substations for
communications? - ✔✔PJM SECURITY RED / Severe
- Consider staffing selected substations for communications
- Consider staffing critical combustion turbine sites
✔✔How many hours can the Emergency Mandatory Load Management Reductions
system be implemented per day? - ✔✔Emergency Mandatory Load Management
Reductions
Are available from June through September, interruptions may be called for up to six
hours in duration between the hours of 12:00 (Noon) to 20:00 (08:00 PM) on weekdays,
other than PJM holidays. From October through May, interruptions may be called for up
to six hours in duration between the hours of 14:00 (02:00 PM) to 22:00 (10:00 PM) on
weekdays, other than PJM holidays.
✔✔What % of load should you drop to increase frequency by 1 Hz - ✔✔6% of load
✔✔What % of load should you drop to increase frequency by 1.5 Hz - ✔✔9% of load
(6% = 1 Hz so you need another 0.5 Hz = 3%, 1.5 Hz = 9%)
✔✔What is the maximum % of UFR load can you have in your dynamic reserves? -
✔✔50%. • Know how to calculate dynamic reserves given the steam, CT and Hydro
capacity values. The important part is your dynamic reserves can only have max of 50%
UFR load.
✔✔What contingency level does PJM operate its system to? - ✔✔PJM operates its
system to contingency levels of STE (Short Term Emergency) ratings
✔✔During System Restoration, how much % of load forecast is required for regulation
requirement for valley and peak? - ✔✔2% regulation is required during system
restoration, during normal times it is 1% of the load forecast. This is the nightly call we
get from PJM about the midnight and day regulation MW values.
✔✔During an IROL how long do you have to correct it? - ✔✔30 minutes
QUESTIONS AND SOLUTIONS GUARANTEE A+
✔✔What locations does PJM monitor for Solar Magnetic Disturbances? How many
amps measurement is required? - ✔✔Solar Magnetic Disturbances
geomagnetic storm is detected that produces a DC measurement at Missouri Avenue in
Atlantic City and/or Meadow Brook Station near Winchester, Virginia at a magnitude
greater than 10 amps and PJM dispatcher confirms that this measurement is a result of
a severe geomagnetic storm by checking additional sources of information.
✔✔At what PJM Security threat level will PJM consider staffing selected substations for
communications? - ✔✔PJM SECURITY RED / Severe
- Consider staffing selected substations for communications
- Consider staffing critical combustion turbine sites
✔✔How many hours can the Emergency Mandatory Load Management Reductions
system be implemented per day? - ✔✔Emergency Mandatory Load Management
Reductions
Are available from June through September, interruptions may be called for up to six
hours in duration between the hours of 12:00 (Noon) to 20:00 (08:00 PM) on weekdays,
other than PJM holidays. From October through May, interruptions may be called for up
to six hours in duration between the hours of 14:00 (02:00 PM) to 22:00 (10:00 PM) on
weekdays, other than PJM holidays.
✔✔What % of load should you drop to increase frequency by 1 Hz - ✔✔6% of load
✔✔What % of load should you drop to increase frequency by 1.5 Hz - ✔✔9% of load
(6% = 1 Hz so you need another 0.5 Hz = 3%, 1.5 Hz = 9%)
✔✔What is the maximum % of UFR load can you have in your dynamic reserves? -
✔✔50%. • Know how to calculate dynamic reserves given the steam, CT and Hydro
capacity values. The important part is your dynamic reserves can only have max of 50%
UFR load.
✔✔What contingency level does PJM operate its system to? - ✔✔PJM operates its
system to contingency levels of STE (Short Term Emergency) ratings
✔✔During System Restoration, how much % of load forecast is required for regulation
requirement for valley and peak? - ✔✔2% regulation is required during system
restoration, during normal times it is 1% of the load forecast. This is the nightly call we
get from PJM about the midnight and day regulation MW values.
✔✔During an IROL how long do you have to correct it? - ✔✔30 minutes
