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IAC Assessment: NC0355
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IAC Assessment: NC0355
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IAC Center North Carolina State
Assessment Year 2007
Principal Product Roofing granules
NAICS 212399 - All Other Nonmetallic Mineral Mining
SIC 3295 - Minerals, Ground Or Treated
Sales $10,000,000-$50,000,000
# of Employees 53
Plant Area (Sq.Ft.) 95,000
Annual Production 2,000,000,000 Pounds
Production Hrs. Annual 6,000
Location (State) NC
Source Yearly Cost Usage Unit Unit Cost
Electricity Usage $838,349 21,908,923 kWh $0.04
Electricity Demand $109,245 38,693 kW-months/year $2.82
Electricity Fees $323,268 - $ -
Natural Gas $5,960,665 552,827 MMBtu $10.78
TOTAL ENERGY COSTS $7,231,527
RECOMMENDED SAVINGS* $625,419 *Non-energy impacts
included in savings.
See recommendations below
IMPLEMENTED SAVINGS* $235,435
#|Description Savings
Cost
Status Electricity Usage Electricity Demand Natural Gas Water Consumption Electricity Usage Electricity Demand Natural Gas Water Consumption
$ kWh $ kW-months/year $ MMBtu $ Tgal
01: 2.2437 RECOVER WASTE HEAT FROM EQUIPMENT Savings:
$362,261
Cost:
$136,000
$(-6,066) (-147,596) $(-1,373) (-443) $361,642 35,547 $8,058 - $(-6,066)
(-147,596)
kWh
$(-1,373)
(-443)
kW-months/year
$361,642
35,547
MMBtu
$8,058
-
Tgal
02: 2.2443 RE-USE OR RECYCLE HOT OR COLD PROCESS EXHAUST AIR Savings:
$235,435
Cost:
$78,000
- - - - $235,435 21,840 - - -
-
kWh
-
-
kW-months/year
$235,435
21,840
MMBtu
-
-
Tgal
03: 2.4231 REDUCE THE PRESSURE OF COMPRESSED AIR TO THE MINIMUM REQUIRED Savings:
$10,340
Cost:
$30,000
$9,496 231,052 $844 272 - - - - $9,496
231,052
kWh
$844
272
kW-months/year
-
-
MMBtu
-
-
Tgal
04: 2.4226 USE / PURCHASE OPTIMUM SIZED COMPRESSOR Savings:
$16,252
Cost:
$20,000
$14,121 343,571 $2,131 687 - - - - $14,121
343,571
kWh
$2,131
687
kW-months/year
-
-
MMBtu
-
-
Tgal
05: 2.7111 REDUCE ILLUMINATION TO MINIMUM NECESSARY LEVELS Savings:
$1,131
Cost:
$1,000
$869 21,150 $262 85 - - - - $869
21,150
kWh
$262
85
kW-months/year
-
-
MMBtu
-
-
Tgal
TOTAL RECOMMENDED Savings:
$625,419
Cost:
$265,000
$18,420 448,177 $1,864 601 $597,077 57,387 $8,058 - $18,420
448,177
kWh
$1,864
601
kW-months/year
$597,077
57,387
MMBtu
$8,058
-
Tgal
TOTAL IMPLEMENTED Savings:
$235,435
Cost:
$78,000
- - - - $235,435 21,840 - - -
-
kWh
-
-
kW-months/year
$235,435
21,840
MMBtu
-
-
Tgal
Savings
Cost
$ kWh $ kW-months/year $ MMBtu $ Tgal
Electricity Usage Electricity Demand Natural Gas Water Consumption Electricity Usage Electricity Demand Natural Gas Water Consumption