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IAC Assessment: UA0159
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IAC Assessment: UA0159
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IAC Center University of Alabama
Assessment Year 2016
Principal Product Aluminum
NAICS 331313 - Alumina Refining and Primary Aluminum Production
SIC 3334 - Primary Aluminum
Sales >$500,000,000
# of Employees 900
Plant Area (Sq.Ft.) 4,356,000
Annual Production 1,000,000,000 Pounds
Production Hrs. Annual 8,760
Location (State) AL
Source Yearly Cost Usage Unit Unit Cost
Electricity Usage $12,968,501 406,980,557 kWh $0.03
Electricity Demand $11,851,287 761,536 kW-months/year $15.56
Electricity Fees $239,262 - $ -
Natural Gas $21,835,988 5,674,754 MMBtu $3.85
TOTAL ENERGY COSTS $46,895,038
RECOMMENDED SAVINGS* $1,559,281 *Non-energy impacts
included in savings.
See recommendations below
IMPLEMENTED SAVINGS* $94,634
#|Description Savings
Cost
Status Electricity Usage Electricity Demand Natural Gas Electricity Usage Electricity Demand Natural Gas
$ kWh $ kW-months/year $ MMBtu
01: 2.2414 USE WASTE HEAT FROM HOT FLUE GASES TO PREHEAT Savings:
$660,652
Cost:
$392,000
- - - - $660,652 171,598 -
-
kWh
-
-
kW-months/year
$660,652
171,598
MMBtu
02: 2.4146 USE ADJUSTABLE FREQUENCY DRIVE OR MULTIPLE SPEED MOTORS ON EXISTING SYSTEM Savings:
$193,333
Cost:
$84,408
$111,441 3,496,726 $81,892 5,263 - - $111,441
3,496,726
kWh
$81,892
5,263
kW-months/year
-
-
MMBtu
03: 2.2514 COVER OPEN TANKS Savings:
$286,063
Cost:
$140,000
- - - - $286,063 74,302 -
-
kWh
-
-
kW-months/year
$286,063
74,302
MMBtu
04: 2.4111 UTILIZE ENERGY-EFFICIENT BELTS AND OTHER IMPROVED MECHANISMS Savings:
$12,382
Cost:
$2,400
$7,107 223,005 $5,275 339 - - $7,107
223,005
kWh
$5,275
339
kW-months/year
-
-
MMBtu
05: 2.7142 UTILIZE HIGHER EFFICIENCY LAMPS AND/OR BALLASTS Savings:
$219,290
Cost:
$1,047,803
$131,407 4,123,233 $87,883 5,648 - - $131,407
4,123,233
kWh
$87,883
5,648
kW-months/year
-
-
MMBtu
06: 2.6218 TURN OFF EQUIPMENT WHEN NOT IN USE Savings:
$82,252
Cost:
$55
$48,269 1,514,554 $33,983 2,184 - - $48,269
1,514,554
kWh
$33,983
2,184
kW-months/year
-
-
MMBtu
07: 2.4146 USE ADJUSTABLE FREQUENCY DRIVE OR MULTIPLE SPEED MOTORS ON EXISTING SYSTEM Savings:
$16,391
Cost:
$20,000
$9,825 308,290 $6,566 422 - - $9,825
308,290
kWh
$6,566
422
kW-months/year
-
-
MMBtu
08: 2.6221 USE MOST EFFICIENT EQUIPMENT AT IT'S MAXIMUM CAPACITY AND LESS EFFICIENT EQUIPMENT ONLY WHEN NECESSARY Savings:
$88,918
Cost:
$2,750
$52,134 1,639,434 $36,784 2,364 - - $52,134
1,639,434
kWh
$36,784
2,364
kW-months/year
-
-
MMBtu
TOTAL RECOMMENDED Savings:
$1,559,281
Cost:
$1,689,416
$360,183 11,305,242 $252,383 16,220 $946,715 245,900 $360,183
11,305,242
kWh
$252,383
16,220
kW-months/year
$946,715
245,900
MMBtu
TOTAL IMPLEMENTED Savings:
$94,634
Cost:
$2,455
$55,376 1,737,559 $39,258 2,523 - - $55,376
1,737,559
kWh
$39,258
2,523
kW-months/year
-
-
MMBtu
Savings
Cost
$ kWh $ kW-months/year $ MMBtu
Electricity Usage Electricity Demand Natural Gas Electricity Usage Electricity Demand Natural Gas