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IAC Assessment: SD0236
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IAC Assessment: SD0236
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IAC Center San Diego State University
Assessment Year 2000
Principal Product Aggregates and Asphalt
NAICS n/a
SIC 2951 - Asphalt Paving Mixtures And Blocks
Sales $10,000,000-$50,000,000
# of Employees 100
Plant Area (Sq.Ft.) 280,000
Annual Production 1,400,000 Tons
Production Hrs. Annual 7,200
Location (State) CA
Source Yearly Cost Usage Unit Unit Cost
Electricity Usage $471,610 8,940,797 kWh $0.05
Electricity Demand $152,034 33,312 kW-months/year $4.56
Electricity Fees $4,176 - $ -
Natural Gas $190,848 94,524 MMBtu $2.02
TOTAL ENERGY COSTS $818,668
RECOMMENDED SAVINGS* $318,686 *Non-energy impacts
included in savings.
See recommendations below
IMPLEMENTED SAVINGS* $272,611
#|Description Savings
Cost
Status Electricity Usage Electricity Demand Natural Gas Electricity Usage Electricity Demand Natural Gas
$ kWh $ kW-months/year $ MMBtu
01: 2.1311 REPLACE ELECTRICALLY-OPERATED EQUIPMENT WITH FOSSIL FUEL EQUIPMENT Savings:
$11,527
Cost:
$8,000
$9,980 189,039 $3,280 720 $(-1,733) (-806) $9,980
189,039
kWh
$3,280
720
kW-months/year
$(-1,733)
(-806)
MMBtu
02: 2.3415 USE A FOSSIL FUEL ENGINE TO COGENERATE ELECTRICITY OR MOTIVE POWER; AND UTILIZE HEAT Savings:
$271,210
Cost:
$1,150,000
$357,142 5,881,594 $76,608 16,800 $(-162,540) (-75,600) $357,142
5,881,594
kWh
$76,608
16,800
kW-months/year
$(-162,540)
(-75,600)
MMBtu
03: 2.4146 USE ADJUSTABLE FREQUENCY DRIVE OR MULTIPLE SPEED MOTORS ON EXISTING SYSTEM Savings:
$5,260
Cost:
$17,300
$4,219 80,012 $1,041 228 - - $4,219
80,012
kWh
$1,041
228
kW-months/year
-
-
MMBtu
04: 2.4131 SIZE ELECTRIC MOTORS FOR PEAK OPERATING EFFICIENCY Savings:
$862
Cost:
$388
$682 12,896 $180 39 - - $682
12,896
kWh
$180
39
kW-months/year
-
-
MMBtu
05: 2.7121 UTILIZE DAYLIGHT WHENEVER POSSIBLE IN LIEU OF ARTIFICIAL LIGHT Savings:
$539
Cost:
-
$342 6,448 $197 43 - - $342
6,448
kWh
$197
43
kW-months/year
-
-
MMBtu
06: 4.114 ADD/MODIFY EQUIPMENT TO IMPROVE DRYING PROCESS Savings:
$29,288
Cost:
-
$13,624 258,206 $3,361 737 $12,303 5,722 $13,624
258,206
kWh
$3,361
737
kW-months/year
$12,303
5,722
MMBtu
TOTAL RECOMMENDED Savings:
$318,686
Cost:
$1,175,688
$385,989 6,428,195 $84,667 18,567 $(-151,970) (-70,684) $385,989
6,428,195
kWh
$84,667
18,567
kW-months/year
$(-151,970)
(-70,684)
MMBtu
TOTAL IMPLEMENTED Savings:
$272,611
Cost:
$1,150,388
$358,166 5,900,938 $76,985 16,882 $(-162,540) (-75,600) $358,166
5,900,938
kWh
$76,985
16,882
kW-months/year
$(-162,540)
(-75,600)
MMBtu
Savings
Cost
$ kWh $ kW-months/year $ MMBtu
Electricity Usage Electricity Demand Natural Gas Electricity Usage Electricity Demand Natural Gas