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IAC Assessment: TT0042
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IAC Assessment: TT0042
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IAC Center Tennessee Technological University
Assessment Year 2009
Principal Product Limestone
NAICS 212312 - Crushed and Broken Limestone Mining and Quarrying
SIC 1422 - Crushed And Broken Limestone
Sales $10,000,000-$50,000,000
# of Employees 60
Plant Area (Sq.Ft.) 50,000
Annual Production 1,300,000 Tons
Production Hrs. Annual 6,000
Location (State) TN
Source Yearly Cost Usage Unit Unit Cost
Electricity Usage $407,426 8,552,124 kWh $0.05
Electricity Demand $987,189 58,896 kW-months/year $16.76
Electricity Fees $48,724 - $ -
LPG $144,830 9,720 MMBtu $14.90
TOTAL ENERGY COSTS $1,588,169
RECOMMENDED SAVINGS* $59,830 *Non-energy impacts
included in savings.
See recommendations below
IMPLEMENTED SAVINGS* $55,400
#|Description Savings
Cost
Status Electricity Usage Electricity Demand LPG Administrative Changes Electricity Usage Electricity Demand LPG Administrative Changes
$ kWh $ kW-months/year $ MMBtu $ $
01: 2.2414 USE WASTE HEAT FROM HOT FLUE GASES TO PREHEAT Savings:
$38,600
Cost:
$28,400
- - - - $38,600 2,591 - - -
-
kWh
-
-
kW-months/year
$38,600
2,591
MMBtu
-
-
$
02: 2.2437 RECOVER WASTE HEAT FROM EQUIPMENT Savings:
$16,800
Cost:
$2,900
$9,000 318,000 $7,800 636 - - - - $9,000
318,000
kWh
$7,800
636
kW-months/year
-
-
MMBtu
-
-
$
03: 2.7142 UTILIZE HIGHER EFFICIENCY LAMPS AND/OR BALLASTS Savings:
$4,430
Cost:
$20,000
$1,850 64,800 $1,600 130 - - $980 - $1,850
64,800
kWh
$1,600
130
kW-months/year
-
-
MMBtu
$980
-
$
TOTAL RECOMMENDED Savings:
$59,830
Cost:
$51,300
$10,850 382,800 $9,400 766 $38,600 2,591 $980 - $10,850
382,800
kWh
$9,400
766
kW-months/year
$38,600
2,591
MMBtu
$980
-
$
TOTAL IMPLEMENTED Savings:
$55,400
Cost:
$31,300
$9,000 318,000 $7,800 636 $38,600 2,591 - - $9,000
318,000
kWh
$7,800
636
kW-months/year
$38,600
2,591
MMBtu
-
-
$
Savings
Cost
$ kWh $ kW-months/year $ MMBtu $ $
Electricity Usage Electricity Demand LPG Administrative Changes Electricity Usage Electricity Demand LPG Administrative Changes