U.S. Department of Energy - Energy Efficiency and Renewable Energy

Industrial Technologies Program

Industrial Assessment Centers

Assessment #LL0347


Assessment Year 2011
SIC 1446
SIC Description Industrial Sand
NAICS 212322
NAICS Description Industrial Sand Mining
Principal Product Sand and Gravel
Sales $ 7,600,000
# of Employees 17
Plant Area (Sq.Ft.) 4,800,000
Annual Production 1,100,000 Tons
Production Hrs. Annual 8,112
Location (State) LA
Yearly Energy Cost $ 604,599

Current Energy Usage & Costs

Energy Sources Yearly Usage Yearly Cost Unit Price

Electricity

 8,899,800 kWh $ 434,510 $ 0.049 /kWh

- Demand Charge

 24,298 kW $ 170,089 $ 7.00 /kW

- Electricity Fees

 - $ 0 -

TOTAL ENERGY

 91,224 MMBtu $ 604,599 $ 6.63 /MMBtu

Recommended Reduction in Usage & Costs

Recommended
Implemented
Energy Sources Yearly Savings Yearly Cost % Saved Unit Price

Electricity

 1,213,828 kWh
0 kWh		 $ 59,258
$ 0		 13.64 %
0.00 %		 $ 0.049 /kWh

- Demand Charge

 1 kW
0 kW		 $ 6
$ 0		 0.00 %
0.00 %		 $ 7.00 /kW

- Electricity Fees

 - $ 0
$ 0		 0.00 %
0.00 %		 -

TOTAL ENERGY

 12,442 MMBtu
0 MMBtu		 $ 59,265
$ 0		 9.80 %
0.00 %		 $ 6.63 /MMBtu

Recommendations

AR # Description ARC Code Status Cost Savings Payback
(Years)
01 view
details		 USE ADJUSTABLE FREQUENCY DRIVE TO REPLACE MECHANICAL DRIVE 2.4144 N $ 166,176 $ 53,145 3.13
Energy Sources Yearly Reduction Yearly Savings Unit Price

Electricity

 1,088,593 kWh $ 53,145 $ 0.049 /kWh

TOTAL ENERGY

 11,158 MMBtu $ 53,145 -
02 view
details		 BEGIN A PRACTICE OF PREDICTIVE / PREVENTATIVE MAINTENANCE 4.611 N $ 330 $ 3,308 0.10
Energy Sources Yearly Reduction Yearly Savings Unit Price

Electricity

 37,033 kWh $ 1,808 $ 0.049 /kWh

TOTAL ENERGY

 380 MMBtu $ 1,808 -

One-time Revenue or Avoided Cost

 - $ 1,500 -

TOTAL PRODUCTON

 - $ 1,500 -
03 view
details		 REDUCE THE PRESSURE OF COMPRESSED AIR TO THE MINIMUM REQUIRED 2.4231 N $ 30 $ 1,835 0.02
Energy Sources Yearly Reduction Yearly Savings Unit Price

Electricity

 37,580 kWh $ 1,835 $ 0.049 /kWh

TOTAL ENERGY

 385 MMBtu $ 1,835 -
04 view
details		 REDUCE SPACE CONDITIONING DURING NON-WORKING HOURS 2.7224 N $ 180 $ 1,754 0.10
Energy Sources Yearly Reduction Yearly Savings Unit Price

Electricity

 35,942 kWh $ 1,754 $ 0.049 /kWh

TOTAL ENERGY

 368 MMBtu $ 1,754 -
05 view
details		 USE PHOTOCELL CONTROLS 2.7134 N $ 30 $ 352 0.09
Energy Sources Yearly Reduction Yearly Savings Unit Price

Electricity

 7,212 kWh $ 352 $ 0.049 /kWh

TOTAL ENERGY

 74 MMBtu $ 352 -
06 view
details		 INSTALL OCCUPANCY SENSORS 2.7135 N $ 525 $ 223 2.35
Energy Sources Yearly Reduction Yearly Savings Unit Price

Electricity

 4,570 kWh $ 223 $ 0.049 /kWh

TOTAL ENERGY

 47 MMBtu $ 223 -
07 view
details		 USE MORE EFFICIENT LIGHT SOURCE 2.7143 N $ 70 $ 99 0.70
Energy Sources Yearly Reduction Yearly Savings Unit Price

Electricity

 664 kWh $ 32 $ 0.049 /kWh

- Demand Charge

 1 kW $ 6 $ 7.00 /kW

TOTAL ENERGY

 7 MMBtu $ 39 -

Personnel Changes

 - $ 61 -

TOTAL PRODUCTON

 - $ 61 -
08 view
details		 CONSERVE ENERGY BY EFFICIENT USE OF VENDING MACHINES 2.6211 N $ 184 $ 85 2.16
Energy Sources Yearly Reduction Yearly Savings Unit Price

Electricity

 1,747 kWh $ 85 $ 0.049 /kWh

TOTAL ENERGY

 18 MMBtu $ 85 -
09 view
details		 REDUCE SPACE CONDITIONING DURING NON-WORKING HOURS 2.7224 N $ 66 $ 24 2.75
Energy Sources Yearly Reduction Yearly Savings Unit Price

Electricity

 487 kWh $ 24 $ 0.049 /kWh

TOTAL ENERGY

 5 MMBtu $ 24 -