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

Industrial Technologies Program

Industrial Assessment Centers

Assessment #OR0424


Assessment Year 2002
SIC 1041
SIC Description Gold Ores
NAICS 0
NAICS Description
Principal Product 2
Sales $ 287,732,044
# of Employees 1,462
Plant Area (Sq.Ft.) 0
Annual Production 0 Pounds
Production Hrs. Annual 8,565
Location (State) NV
Yearly Energy Cost $ 23,165,757

Current Energy Usage & Costs

Energy Sources Yearly Usage Yearly Cost Unit Price

Electricity

 353,469,361 kWh $ 17,414,720 $ 0.049 /kWh

- Demand Charge

 518,750 kW $ 216,146 $ 0.42 /kW

- Electricity Fees

 - $ 6,000 -

Natural Gas

 778,171 MMBtu $ 2,151,480 $ 2.76 /MMBtu

LPG

 594,294 MMBtu $ 3,377,411 $ 5.68 /MMBtu

TOTAL ENERGY

 4,995,526 MMBtu $ 23,165,757 $ 4.64 /MMBtu

Recommended Reduction in Usage & Costs

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

Electricity

 20,293,367 kWh
1,506,840 kWh		 $ 1,018,673
$ 73,000		 5.85 %
0.42 %		 $ 0.049 /kWh

- Demand Charge

 33,564 kW
1,964 kW		 $ 167,770
$ 9,820		 77.62 %
4.54 %		 $ 0.42 /kW

- Electricity Fees

 - $ 0
$ 0		 0.00 %
0.00 %		 -

Natural Gas

 205,705 MMBtu
5,582 MMBtu		 $ 770,766
$ 20,311		 35.82 %
0.94 %		 $ 2.76 /MMBtu

LPG

 0 MMBtu
0 MMBtu		 $ 0
$ 0		 0.00 %
0.00 %		 $ 5.68 /MMBtu

TOTAL ENERGY

 413,713 MMBtu
21,028 MMBtu		 $ 1,957,209
$ 103,131		 8.45 %
0.45 %		 $ 4.64 /MMBtu

Recommendations

AR # Description ARC Code Status Cost Savings Payback
(Years)
01 view
details		 RELOCATE OVEN / FURNACE TO MORE EFFICIENT LOCATION 2.1117 P $ 207,147 $ 577,590 0.36
Energy Sources Yearly Reduction Yearly Savings Unit Price

Natural Gas

 154,024 MMBtu $ 577,590 $ 2.76 /MMBtu

TOTAL ENERGY

 154,024 MMBtu $ 577,590 -
02 view
details		 USE MULTIPLE SPEED MOTORS OR AFD FOR VARIABLE PUMP, BLOWER AND COMPRESSOR LOADS 2.4141 N $ 1,727,000 $ 958,574 1.80
Energy Sources Yearly Reduction Yearly Savings Unit Price

Electricity

 16,234,542 kWh $ 819,644 $ 0.049 /kWh

- Demand Charge

 27,792 kW $ 138,930 $ 0.42 /kW

TOTAL ENERGY

 166,404 MMBtu $ 958,574 -
03 view
details		 RECOVER HEAT FROM EXHAUSTED STEAM 2.2445 P $ 118,500 $ 158,150 0.75
Energy Sources Yearly Reduction Yearly Savings Unit Price

Natural Gas

 42,175 MMBtu $ 158,150 $ 2.76 /MMBtu

TOTAL ENERGY

 42,175 MMBtu $ 158,150 -
04 view
details		 USE MOST EFFICIENT TYPE OF ELECTRIC MOTORS 2.4133 N $ 241,870 $ 119,700 2.02
Energy Sources Yearly Reduction Yearly Savings Unit Price

Electricity

 2,105,788 kWh $ 104,000 $ 0.049 /kWh

- Demand Charge

 3,144 kW $ 15,700 $ 0.42 /kW

TOTAL ENERGY

 21,584 MMBtu $ 119,700 -
05 view
details		 ADD EQUIPMENT/ OPERATORS TO REDUCE PRODUCTION BOTTLENECK 4.1110 I $ 46,000 $ 69,350 0.66
Energy Sources Yearly Reduction Yearly Savings Unit Price

Electricity

 1,246,590 kWh $ 60,810 $ 0.049 /kWh

- Demand Charge

 1,708 kW $ 8,540 $ 0.42 /kW

TOTAL ENERGY

 12,778 MMBtu $ 69,350 -
06 view
details		 UTILIZE ENERGY-EFFICIENT BELTS AND OTHER IMPROVED MECHANISMS 2.4111 N $ 0 $ 25,349 0.00
Energy Sources Yearly Reduction Yearly Savings Unit Price

Electricity

 446,197 kWh $ 22,029 $ 0.049 /kWh

- Demand Charge

 664 kW $ 3,320 $ 0.42 /kW

TOTAL ENERGY

 4,574 MMBtu $ 25,349 -
07 view
details		 ADJUST BURNERS FOR EFFICIENT OPERATION 2.1133 I $ 1,000 $ 20,311 0.05
Energy Sources Yearly Reduction Yearly Savings Unit Price

Natural Gas

 5,582 MMBtu $ 20,311 $ 2.76 /MMBtu

TOTAL ENERGY

 5,582 MMBtu $ 20,311 -
08 view
details		 ELIMINATE LEAKS IN INERT GAS AND COMPRESSED AIR LINES/ VALVES 2.4236 I $ 12,200 $ 13,470 0.91
Energy Sources Yearly Reduction Yearly Savings Unit Price

Electricity

 260,250 kWh $ 12,190 $ 0.049 /kWh

- Demand Charge

 256 kW $ 1,280 $ 0.42 /kW

TOTAL ENERGY

 2,668 MMBtu $ 13,470 -
09 view
details		 ADD EQUIPMENT/ OPERATORS TO REDUCE PRODUCTION BOTTLENECK 4.1110 N $ 45,000 $ 14,715 3.06
Energy Sources Yearly Reduction Yearly Savings Unit Price

Natural Gas

 3,924 MMBtu $ 14,715 $ 2.76 /MMBtu

TOTAL ENERGY

 3,924 MMBtu $ 14,715 -