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IAC Assessment: CO0515
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IAC Assessment: CO0515
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IAC Center Colorado State University
Assessment Year 2002
Principal Product gold
NAICS 212221 - Gold Ore Mining
SIC 1041 - Gold Ores
Sales >$500,000,000
# of Employees 1,700
Plant Area (Sq.Ft.) 200,000
Annual Production 146,341 Pounds
Production Hrs. Annual 8,760
Location (State) NV
Source Yearly Cost Usage Unit Unit Cost
Electricity Usage $56,135,414 1,044,341,439 kWh $0.05
Electricity Demand $7,825,177 2,209,688 kW-months/year $3.54
Electricity Fees $1,592,977 - $ -
LPG $9,835,981 2,052,434 MMBtu $4.79
Fuel Oil #2 $16,806,213 2,849,064 MMBtu $5.90
Other Energy $460,928 43,363 MMBtu $10.63
TOTAL ENERGY COSTS $92,661,690
RECOMMENDED SAVINGS* $7,111,490 *Non-energy impacts
included in savings.
See recommendations below
IMPLEMENTED SAVINGS* $334,040
#|Description Savings
Cost
Status Electricity Usage Electricity Demand LPG Other Liquid (non-haz) Personnel Changes Administrative Changes Electricity Usage Electricity Demand LPG Other Liquid (non-haz) Personnel Changes Administrative Changes
$ kWh $ kW-months/year $ MMBtu $ gal $ $ $ $
01: 2.4224 UPGRADE CONTROLS ON COMPRESSORS Savings:
$167,740
Cost:
$45,000
$134,330 2,604,800 $33,410 3,581 - - - - - - - - $134,330
2,604,800
kWh
$33,410
3,581
kW-months/year
-
-
MMBtu
-
-
gal
-
-
$
-
-
$
02: 2.4236 ELIMINATE LEAKS IN INERT GAS AND COMPRESSED AIR LINES/ VALVES Savings:
$66,100
Cost:
$24,160
$71,840 1,393,300 $17,810 1,909 - - - - $(-23,550) - - - $71,840
1,393,300
kWh
$17,810
1,909
kW-months/year
-
-
MMBtu
-
-
gal
$(-23,550)
-
$
-
-
$
03: 2.2614 USE COOLING TOWER OR ECONOMIZER TO REPLACE CHILLER COOLING Savings:
$50,000
Cost:
$26,000
- - - - - - - - $50,000 - - - -
-
kWh
-
-
kW-months/year
-
-
MMBtu
-
-
gal
$50,000
-
$
-
-
$
04: 4.611 BEGIN A PRACTICE OF PREDICTIVE / PREVENTATIVE MAINTENANCE Savings:
$50,200
Cost:
$4,800
- - - - - - - - $50,200 - - - -
-
kWh
-
-
kW-months/year
-
-
MMBtu
-
-
gal
$50,200
-
$
-
-
$
05: 3.6124 BURN WASTE OIL FOR HEAT Savings:
$34,520
Cost:
$18,000
- - - - $29,520 5,556 $5,000 50,000 - - - - -
-
kWh
-
-
kW-months/year
$29,520
5,556
MMBtu
$5,000
50,000
gal
-
-
$
-
-
$
06: 2.4239 ELIMINATE OR REDUCE COMPRESSED AIR USAGE Savings:
$241,800
Cost:
$105,900
$193,780 3,757,600 $48,020 5,147 - - - - - - - - $193,780
3,757,600
kWh
$48,020
5,147
kW-months/year
-
-
MMBtu
-
-
gal
-
-
$
-
-
$
07: 2.2414 USE WASTE HEAT FROM HOT FLUE GASES TO PREHEAT Savings:
$187,930
Cost:
$102,500
- - - - $187,930 35,366 - - - - - - -
-
kWh
-
-
kW-months/year
$187,930
35,366
MMBtu
-
-
gal
-
-
$
-
-
$
08: 2.9121 INSTALL WIND POWERED ELECTRIC GENERATOR Savings:
$6,313,200
Cost:
$48,000,000
$5,421,040 105,120,000 - - - - - - - - $892,160 - $5,421,040
105,120,000
kWh
-
-
kW-months/year
-
-
MMBtu
-
-
gal
-
-
$
$892,160
-
$
TOTAL RECOMMENDED Savings:
$7,111,490
Cost:
$48,326,360
$5,820,990 112,875,700 $99,240 10,637 $217,450 40,922 $5,000 50,000 $76,650 - $892,160 - $5,820,990
112,875,700
kWh
$99,240
10,637
kW-months/year
$217,450
40,922
MMBtu
$5,000
50,000
gal
$76,650
-
$
$892,160
-
$
TOTAL IMPLEMENTED Savings:
$334,040
Cost:
$99,960
$206,170 3,998,100 $51,220 5,490 - - - - $76,650 - - - $206,170
3,998,100
kWh
$51,220
5,490
kW-months/year
-
-
MMBtu
-
-
gal
$76,650
-
$
-
-
$
Savings
Cost
$ kWh $ kW-months/year $ MMBtu $ gal $ $ $ $
Electricity Usage Electricity Demand LPG Other Liquid (non-haz) Personnel Changes Administrative Changes Electricity Usage Electricity Demand LPG Other Liquid (non-haz) Personnel Changes Administrative Changes