The a+ advanTage: ace 2026/2027
neRc final examinaTion wiTh This
sTudy guide compRehensive q & a
◉ In the ACE equation β represents which of the following?
A) Frequency Bias
B) Frequency
C) MW
D) Scheduled Interval. Answer: A) β is the Frequency Bias Setting
(MW/0.1 Hz) for the Balancing Authority. The constant factor 10
converts the frequency setting to MW/Hz
◉ Each Balancing Authority is required to balance its resources and
demand in real‐time so that its clock‐minute average of its Area
Control Error (ACE) does not exceed its BAAL for more than how
long?
A) 15 clock minutes
,B) 30 minutes
C) 25 consecutive clock minutes
D) 30 consecutive clock minutes. Answer: D) 30 consecutive clock
minutes
◉ (NIA ‐ NIS) ‐ 10 β (FA ‐ FS) ‐ IME is the formula for the __________
equation?. Answer: ACE (Area Control Error) Equation
◉ The Contingency Event Recovery Period is _______ minutes.
A) 30 mins
B) 60 mins
C) 90 mins
D) 15 mins. Answer: D) 15
◉ Each Balancing Area or Reserve Sharing Group must review it's
Contingencies on at least a/an __________ basis.
,A) Semi Annually
B) Annually
C) Weekly
D) Monthly. Answer: B) Annually
◉ A BA or RSG has how long to replace its Contingency Reserves?
A) 60 mins
B) 30 mins
C) 90 mins
D) 15 mins. Answer: C) 90 mins
◉ The reporting threshold for a DCS event is ______ % of the MSSC.
A) 50%
, B) 80%
C) 75%
D) 20%. Answer: B) 80%
◉ If you have a DCS event and 40 seconds later you have another
event and the total amount exceeds your MSSC, how is the
compliance calculation handled?
A) They are treated as a single event and reported but not subject
to the compliance calculation
B) They are treated as different events and reported but not
subject to the compliance calculation
C) They are treated as a single event but not reported and not
subject to the compliance calculation
D) They are treated as different events and not reported but
subject to the compliance calculation. Answer: A) They are treated
as a single event and reported but not subject to the compliance
calculation
neRc final examinaTion wiTh This
sTudy guide compRehensive q & a
◉ In the ACE equation β represents which of the following?
A) Frequency Bias
B) Frequency
C) MW
D) Scheduled Interval. Answer: A) β is the Frequency Bias Setting
(MW/0.1 Hz) for the Balancing Authority. The constant factor 10
converts the frequency setting to MW/Hz
◉ Each Balancing Authority is required to balance its resources and
demand in real‐time so that its clock‐minute average of its Area
Control Error (ACE) does not exceed its BAAL for more than how
long?
A) 15 clock minutes
,B) 30 minutes
C) 25 consecutive clock minutes
D) 30 consecutive clock minutes. Answer: D) 30 consecutive clock
minutes
◉ (NIA ‐ NIS) ‐ 10 β (FA ‐ FS) ‐ IME is the formula for the __________
equation?. Answer: ACE (Area Control Error) Equation
◉ The Contingency Event Recovery Period is _______ minutes.
A) 30 mins
B) 60 mins
C) 90 mins
D) 15 mins. Answer: D) 15
◉ Each Balancing Area or Reserve Sharing Group must review it's
Contingencies on at least a/an __________ basis.
,A) Semi Annually
B) Annually
C) Weekly
D) Monthly. Answer: B) Annually
◉ A BA or RSG has how long to replace its Contingency Reserves?
A) 60 mins
B) 30 mins
C) 90 mins
D) 15 mins. Answer: C) 90 mins
◉ The reporting threshold for a DCS event is ______ % of the MSSC.
A) 50%
, B) 80%
C) 75%
D) 20%. Answer: B) 80%
◉ If you have a DCS event and 40 seconds later you have another
event and the total amount exceeds your MSSC, how is the
compliance calculation handled?
A) They are treated as a single event and reported but not subject
to the compliance calculation
B) They are treated as different events and reported but not
subject to the compliance calculation
C) They are treated as a single event but not reported and not
subject to the compliance calculation
D) They are treated as different events and not reported but
subject to the compliance calculation. Answer: A) They are treated
as a single event and reported but not subject to the compliance
calculation
