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Industrial Assessment Centers

Assessment #TT0042


Assessment Date08/18/2009
SIC1422
SIC DescriptionCrushed And Broken Limestone
NAICS212312
NAICS DecriptionCrushed and Broken Limestone Mining and Quarrying
Principal ProductLimestone
Sales$16,000,000
# of Employees60
Plant Area (Sq.Ft.)50,000
Annual Production1,300,000 Tons
Production Hrs. Annual6,000
Location (StateTN
Fiscal Year (Budget Year)2009
Yearly Energy Cost$1,588,169

Current Energy Usage & Costs

Energy Sources Yearly Usage Yearly Cost Unit Price

Electricity

8,552,124 KWh $407,426 $0.048

- Demand Charge

58,896KW-Month/Year $987,189 $16.76

- Electricity Fees

- $48,724 -

LPG

9,720 MMBtu $144,830 $14.90

Recommended Reduction in Usage & Costs

Energy Sources Yearly Usage Yearly Cost % Saved Unit Price

Electricity

382,800 KWh $10,850 3% $0.048

- Demand Charge

183 KW-Month/Year $9,400 1% $0.048

- Electricity Fees

0 KWh $0 0% $0.048

Recommendations

AR # Description ARC Code Status Cost Savings Payback
(Years)
1 view
details
USE WASTE HEAT FROM HOT FLUE GASES TO PREHEAT COMBUSTION AIR 2.2411 $28,400 $38,600 0.7
Energy Type Usage Savings Cost Savings
Propane 2,591 $38,600
2 view
details
RECOVER HEAT FROM REFRIGERATION CONDENSERS 2.2436 $2,900 $16,800 0.2
Energy Type Usage Savings Cost Savings
Electrical Consumption 318,000 $9,000
Electrical Demand 53 $7,800
3 view
details
UTILIZE HIGHER EFFICIENCY LAMPS AND/OR BALLASTS 2.7142 $20,000 $4,430 4.5
Energy Type Usage Savings Cost Savings
Electrical Consumption 64,800 $1,850
Electrical Demand 130 $1,600
Administrative Costs 0 $980




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Content Last Updated: 11/13/2007