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IAC Assessment: TT0226
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IAC Assessment: TT0226
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IAC Center Tennessee Technological University
Assessment Year 2019
Principal Product Ductile Iron Castings
NAICS 331511 - Iron Foundries
SIC 3325 - Steel Foundries, Nec
Sales $100,000,000-$500,000,000
# of Employees 550
Plant Area (Sq.Ft.) 400,000
Annual Production 264 Tons
Production Hrs. Annual 6,000
Location (State) TN
Source Yearly Cost Usage Unit Unit Cost
Electricity Usage $3,867,501 93,676,300 kWh $0.04
Electricity Demand $2,209,191 191,827 kW-months/year $11.52
Electricity Fees $293,595 - $ -
Natural Gas $1,261,711 201,825 MMBtu $6.25
Other Energy $13,188,000 637,420 MMBtu $20.69
TOTAL ENERGY COSTS $20,981,882
RECOMMENDED SAVINGS* $1,236,404 *Non-energy impacts
included in savings.
See recommendations below
IMPLEMENTED SAVINGS* $22,619
#|Description Savings
Cost
Status Electricity Usage Electricity Demand Natural Gas Other Energy Electricity Usage Electricity Demand Natural Gas Other Energy
$ kWh $ kW-months/year $ MMBtu $ MMBtu
01: 2.7273 INSTALL DESICCANT HUMIDITY CONTROL SYSTEM Savings:
$1,033,923
Cost:
$50,000
$(-17,292) (-418,692) $(-9,695) (-842) - - $1,060,910 51,277 $(-17,292)
(-418,692)
kWh
$(-9,695)
(-842)
kW-months/year
-
-
MMBtu
$1,060,910
51,277
MMBtu
02: 2.4131 SIZE ELECTRIC MOTORS FOR PEAK OPERATING EFFICIENCY Savings:
$111,520
Cost:
$54,000
$71,585 1,733,337 $39,935 3,467 - - - - $71,585
1,733,337
kWh
$39,935
3,467
kW-months/year
-
-
MMBtu
-
-
MMBtu
03: 2.2511 INSULATE BARE EQUIPMENT Savings:
$31,634
Cost:
$2,200
- - - - - - $31,634 1,529 -
-
kWh
-
-
kW-months/year
-
-
MMBtu
$31,634
1,529
MMBtu
04: 2.4321 UPGRADE OBSOLETE EQUIPMENT Savings:
$24,351
Cost:
$64,000
$257 6,214 $(-206) (-18) $24,300 3,888 - - $257
6,214
kWh
$(-206)
(-18)
kW-months/year
$24,300
3,888
MMBtu
-
-
MMBtu
05: 2.7142 UTILIZE HIGHER EFFICIENCY LAMPS AND/OR BALLASTS Savings:
$18,879
Cost:
$82,992
$13,662 330,806 $5,217 453 - - - - $13,662
330,806
kWh
$5,217
453
kW-months/year
-
-
MMBtu
-
-
MMBtu
06: 2.4146 USE ADJUSTABLE FREQUENCY DRIVE OR MULTIPLE SPEED MOTORS ON EXISTING SYSTEM Savings:
$7,163
Cost:
$30,000
$5,449 131,936 $1,714 149 - - - - $5,449
131,936
kWh
$1,714
149
kW-months/year
-
-
MMBtu
-
-
MMBtu
07: 2.4231 REDUCE THE PRESSURE OF COMPRESSED AIR TO THE MINIMUM REQUIRED Savings:
$5,194
Cost:
$4,515
$5,194 125,757 - - - - - - $5,194
125,757
kWh
-
-
kW-months/year
-
-
MMBtu
-
-
MMBtu
08: 2.4236 ELIMINATE LEAKS IN INERT GAS AND COMPRESSED AIR LINES/ VALVES Savings:
$3,740
Cost:
$2,000
$3,740 90,565 - - - - - - $3,740
90,565
kWh
-
-
kW-months/year
-
-
MMBtu
-
-
MMBtu
TOTAL RECOMMENDED Savings:
$1,236,404
Cost:
$289,707
$82,595 1,999,923 $36,965 3,208 $24,300 3,888 $1,092,544 52,806 $82,595
1,999,923
kWh
$36,965
3,208
kW-months/year
$24,300
3,888
MMBtu
$1,092,544
52,806
MMBtu
TOTAL IMPLEMENTED Savings:
$22,619
Cost:
$84,992
$17,402 421,371 $5,217 453 - - - - $17,402
421,371
kWh
$5,217
453
kW-months/year
-
-
MMBtu
-
-
MMBtu
Savings
Cost
$ kWh $ kW-months/year $ MMBtu $ MMBtu
Electricity Usage Electricity Demand Natural Gas Other Energy Electricity Usage Electricity Demand Natural Gas Other Energy