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IAC Assessment: UA0016
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IAC Assessment: UA0016
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IAC Center University of Alabama
Assessment Year 2008
Principal Product Primary Aluminum
NAICS 331313 - Alumina Refining and Primary Aluminum Production
SIC 3334 - Primary Aluminum
Sales $50,000,000-$100,000,000
# of Employees 1,010
Plant Area (Sq.Ft.) 4,215,000
Annual Production 950,000,000 Pounds
Production Hrs. Annual 8,060
Location (State) AL
Source Yearly Cost Usage Unit Unit Cost
Electricity Usage $4,100,000 118,000,000 kWh $0.03
Natural Gas $28,000,000 4,000,000 MMBtu $7.00
TOTAL ENERGY COSTS $32,100,000
RECOMMENDED SAVINGS* $354,288 *Non-energy impacts
included in savings.
See recommendations below
IMPLEMENTED SAVINGS* $60,322
#|Description Savings
Cost
Status Electricity Usage Natural Gas Electricity Usage Natural Gas
$ kWh $ MMBtu
01: 2.4236 ELIMINATE LEAKS IN INERT GAS AND COMPRESSED AIR LINES/ VALVES Savings:
$60,322
Cost:
$10,000
$60,322 1,723,480 - - $60,322
1,723,480
kWh
-
-
MMBtu
02: 2.4226 USE / PURCHASE OPTIMUM SIZED COMPRESSOR Savings:
$22,023
Cost:
$20,000
$22,023 634,362 - - $22,023
634,362
kWh
-
-
MMBtu
03: 2.4231 REDUCE THE PRESSURE OF COMPRESSED AIR TO THE MINIMUM REQUIRED Savings:
$17,135
Cost:
$2,000
$17,135 489,584 - - $17,135
489,584
kWh
-
-
MMBtu
04: 2.2121 INCREASE AMOUNT OF CONDENSATE RETURNED Savings:
$171,000
Cost:
$95,000
- - $171,000 17,520 -
-
kWh
$171,000
17,520
MMBtu
05: 2.2136 INSTALL / REPAIR INSULATION ON STEAM LINES Savings:
$1,808
Cost:
$460
- - $1,808 226 -
-
kWh
$1,808
226
MMBtu
06: 2.2449 RECOVER HEAT FROM EXHAUSTED STEAM, HOT AIR OR HOT WATER Savings:
$30,000
Cost:
$50,000
- - $30,000 3,494 -
-
kWh
$30,000
3,494
MMBtu
07: 2.1233 ANALYZE FLUE GAS FOR PROPER AIR/FUEL RATIO Savings:
$52,000
Cost:
$150,000
- - $52,000 6,115 -
-
kWh
$52,000
6,115
MMBtu
TOTAL RECOMMENDED Savings:
$354,288
Cost:
$327,460
$99,480 2,847,426 $254,808 27,355 $99,480
2,847,426
kWh
$254,808
27,355
MMBtu
TOTAL IMPLEMENTED Savings:
$60,322
Cost:
$10,000
$60,322 1,723,480 - - $60,322
1,723,480
kWh
-
-
MMBtu
Savings
Cost
$ kWh $ MMBtu
Electricity Usage Natural Gas Electricity Usage Natural Gas