Fuel Adjustment
Clause
Application
This clause is applicable to all City
of Austin electric rates for which a Fuel Adjustment Clause
is prescribed.
Fuel Rate
The Fuel Rate is expressed by the following
formula:
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F + I
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(E + T) - A
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| Fuel Rate |
= |
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+ |
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S
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S
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In the Fuel Rate formula:
F is the estimated cost of fuels
and related expenses, including refunds and the cost of purchased
power for the twelve (12) month period used to calculate the
FAC for service-area sales.
I is 1) the estimated fees and charges from
the Electric Reliability Council of Texas (ERCOT) Independent
System Operator (ISO) incurred by the City of Austin when
providing energy and capacity needed to meet its service-area
obligations the twelve (12) month period used to calculate
the FAC and 2) the estimated cost of the ERCOT ISO Administrative
Fee for twelve (12) month period used to calculate the FAC
.
S is the estimated service-area sales of
kWh for the twelve (12) month period used to calculate the
FAC.
E is the actual cost of fuels and related
expenses, including refunds and the cost of purchased power,
less any fuel costs for off system sales of energy for the
latest twelve (12) month period of data available.
T is 1) the actual fees and charges from
the ERCOT ISO incurred by the City of Austin when providing
energy and capacity needed to meet its service-area obligations
and 2) the actual Administrative Fee for the latest twelve
(12) month period of data available.
A is the actual cost recovered from service-area
sales for for the latest twelve (12) month period of data
available.
The fuel rate shall be effective January
1st, unless adjusted for over- or under-recovery.
If, at any time, there is more than a ten
percent over-recovery from the total projected fuel and purchased
power costs for the twelve month period used to calculate
those costs, the City of Austin shall initiate a review of
the FAC to project whether the over-recovery will be within
ten percent for the remaining months of the twelve month period
used to calculate those costs. If the review indicates an
over-recovery of more than ten percent for the remainder of
the period, the City of Austin shall adjust the FAC for the
next twelve months to eliminate the over-recovery.
If, at any time, there is more than a ten
percent projected under-recovery from the total projected
fuel and purchased power costs for the twelve month period
used to calculate those costs, the City of Austin will initiate
a review of the FAC to project whether the under-recovery
will be within ten percent for the remaining months of the
twelve month period used to calculate those costs. If the
review indicates an under-recovery of more than ten percent
for the remainder of the period, the City of Austin may adjust
the FAC for the next twelve months to eliminate the under-recovery.
Calculation
The Fuel Rate is multiplied by the
following voltage level adjustment factors:
Secondary Multiplier: 1.004854
Primary Multiplier .974939
Transmission Multiplier: .964826
We make every effort to be accurate
in displaying rates online. In case of conflict, the official
tariffs on file with the City Clerk's office take precedence.
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