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IAC Assessment: IA0413
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IAC Assessment: IA0413
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IAC Center Iowa State University
Assessment Year 2007
Principal Product Aluminum and Zinc Castings
NAICS 331523 - Nonferrous Metal Die-Casting Foundries
SIC 3363 - Aluminum Die-castings
Sales $5,000,000-$10,000,000
# of Employees 54
Plant Area (Sq.Ft.) 90,000
Annual Production 21,000,000 Pounds
Production Hrs. Annual 6,240
Location (State) MN
Source Yearly Cost Usage Unit Unit Cost
Electricity Usage $65,075 1,402,000 kWh $0.05
Electricity Demand $33,167 4,140 kW-months/year $8.01
Natural Gas $142,708 17,896 MMBtu $7.97
TOTAL ENERGY COSTS $240,950
RECOMMENDED SAVINGS* $55,361 *Non-energy impacts
included in savings.
See recommendations below
IMPLEMENTED SAVINGS* $40,229
#|Description Savings
Cost
Status Electricity Usage Electricity Demand Natural Gas Primary Raw Material Electricity Usage Electricity Demand Natural Gas Primary Raw Material
$ kWh $ kW-months/year $ MMBtu $ $
01: 2.4236 ELIMINATE LEAKS IN INERT GAS AND COMPRESSED AIR LINES/ VALVES Savings:
$2,287
Cost:
$500
$1,721 37,250 $566 72 - - - - $1,721
37,250
kWh
$566
72
kW-months/year
-
-
MMBtu
-
-
$
02: 2.4231 REDUCE THE PRESSURE OF COMPRESSED AIR TO THE MINIMUM REQUIRED Savings:
$1,295
Cost:
$20
$954 20,654 $341 43 - - - - $954
20,654
kWh
$341
43
kW-months/year
-
-
MMBtu
-
-
$
03: 2.2437 RECOVER WASTE HEAT FROM EQUIPMENT Savings:
$9,370
Cost:
$1,650
- - - - $9,370 1,176 - - -
-
kWh
-
-
kW-months/year
$9,370
1,176
MMBtu
-
-
$
04: 2.4221 INSTALL COMPRESSOR AIR INTAKES IN COOLEST LOCATIONS Savings:
$1,311
Cost:
$360
$953 20,707 $358 43 - - - - $953
20,707
kWh
$358
43
kW-months/year
-
-
MMBtu
-
-
$
05: 2.4133 USE MOST EFFICIENT TYPE OF ELECTRIC MOTORS Savings:
$1,793
Cost:
$104
$1,232 26,719 $561 72 - - - - $1,232
26,719
kWh
$561
72
kW-months/year
-
-
MMBtu
-
-
$
06: 2.7142 UTILIZE HIGHER EFFICIENCY LAMPS AND/OR BALLASTS Savings:
$620
Cost:
$535
$466 10,059 $154 15 - - - - $466
10,059
kWh
$154
15
kW-months/year
-
-
MMBtu
-
-
$
07: 2.7135 INSTALL OCCUPANCY SENSORS Savings:
$350
Cost:
$390
$350 1,056 - - - - - - $350
1,056
kWh
-
-
kW-months/year
-
-
MMBtu
-
-
$
08: 2.7142 UTILIZE HIGHER EFFICIENCY LAMPS AND/OR BALLASTS Savings:
$1,195
Cost:
$2,135
$873 18,865 $322 41 - - - - $873
18,865
kWh
$322
41
kW-months/year
-
-
MMBtu
-
-
$
09: 2.2437 RECOVER WASTE HEAT FROM EQUIPMENT Savings:
$1,640
Cost:
$2,160
- - - - $1,640 107 - - -
-
kWh
-
-
kW-months/year
$1,640
107
MMBtu
-
-
$
10: 2.2514 COVER OPEN TANKS Savings:
$3,772
Cost:
$1,500
- - - - $3,772 296 - - -
-
kWh
-
-
kW-months/year
$3,772
296
MMBtu
-
-
$
11: 2.4223 INSTALL DIRECT ACTING UNITS IN PLACE OF COMPRESSED AIR PRESSURE SYSTEM IN SAFETY SYSTEM Savings:
$677
Cost:
$80
$358 7,741 $319 40 - - - - $358
7,741
kWh
$319
40
kW-months/year
-
-
MMBtu
-
-
$
12: 3.1191 CHANGE PROCEDURES / EQUIPMENT / OPERATING CONDITIONS Savings:
$31,051
Cost:
$4,000
- - - - $820 103 $30,231 - -
-
kWh
-
-
kW-months/year
$820
103
MMBtu
$30,231
-
$
TOTAL RECOMMENDED Savings:
$55,361
Cost:
$13,434
$6,907 143,051 $2,621 326 $15,602 1,682 $30,231 - $6,907
143,051
kWh
$2,621
326
kW-months/year
$15,602
1,682
MMBtu
$30,231
-
$
TOTAL IMPLEMENTED Savings:
$40,229
Cost:
$7,734
$6,557 141,995 $2,621 326 $820 103 $30,231 - $6,557
141,995
kWh
$2,621
326
kW-months/year
$820
103
MMBtu
$30,231
-
$
Savings
Cost
$ kWh $ kW-months/year $ MMBtu $ $
Electricity Usage Electricity Demand Natural Gas Primary Raw Material Electricity Usage Electricity Demand Natural Gas Primary Raw Material