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

Industrial Technologies Program

Industrial Assessment Centers

Assessment #CO0573


Assessment Year 2005
SIC 3674
SIC Description Semiconductors And Related Devices
NAICS 334413
NAICS Description Semiconductor and Related Device Manufacturing
Principal Product Coated silicon wafers
Sales $ 100,000
# of Employees 400
Plant Area (Sq.Ft.) 80,000
Annual Production 1,800,000 Pieces
Production Hrs. Annual 8,760
Location (State) NM
Yearly Energy Cost $ 1,462,382

Current Energy Usage & Costs

Energy Sources Yearly Usage Yearly Cost Unit Price

Electricity

 23,011,200 kWh $ 882,286 $ 0.038 /kWh

- Demand Charge

 36,288 kW $ 338,777 $ 9.34 /kW

- Electricity Fees

 - $ 68,848 -

Natural Gas

 22,293 MMBtu $ 172,471 $ 7.74 /MMBtu

TOTAL ENERGY

 258,158 MMBtu $ 1,462,382 $ 5.66 /MMBtu

Recommended Reduction in Usage & Costs

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

Electricity

 2,299,559 kWh
456,459 kWh		 $ 89,200
$ 17,590		 10.11 %
1.99 %		 $ 0.038 /kWh

- Demand Charge

 3,166 kW
545 kW		 $ 35,513
$ 6,113		 10.48 %
1.80 %		 $ 9.34 /kW

- Electricity Fees

 - $ 0
$ 0		 0.00 %
0.00 %		 -

Natural Gas

 4,305 MMBtu
0 MMBtu		 $ 32,840
$ 0		 19.04 %
0.00 %		 $ 7.74 /MMBtu

TOTAL ENERGY

 27,875 MMBtu
4,679 MMBtu		 $ 157,553
$ 23,703		 10.77 %
1.62 %		 $ 5.66 /MMBtu

Recommendations

AR # Description ARC Code Status Cost Savings Payback
(Years)
01 view
details		 USE COMBINED CYCLE GAS TURBINE GENERATOR SETS WITH WASTE HEAT BOILERS CONNECTED TO TURBINE EXHAUST 2.3416 N $ 295,000 $ 99,230 2.97
Energy Sources Yearly Reduction Yearly Savings Unit Price

Electricity

 1,805,800 kWh $ 70,020 $ 0.038 /kWh

- Demand Charge

 2,604 kW $ 29,210 $ 9.34 /kW

TOTAL ENERGY

 18,509 MMBtu $ 99,230 -
02 view
details		 ELIMINATE LEAKS IN INERT GAS AND COMPRESSED AIR LINES/ VALVES 2.4236 I $ 1,030 $ 7,040 0.15
Energy Sources Yearly Reduction Yearly Savings Unit Price

Electricity

 130,700 kWh $ 5,030 $ 0.038 /kWh

- Demand Charge

 179 kW $ 2,010 $ 9.34 /kW

TOTAL ENERGY

 1,340 MMBtu $ 7,040 -
03 view
details		 USE MOST EFFICIENT TYPE OF ELECTRIC MOTORS 2.4133 I $ 752 $ 961 0.78
Energy Sources Yearly Reduction Yearly Savings Unit Price

Electricity

 17,858 kWh $ 687 $ 0.038 /kWh

- Demand Charge

 25 kW $ 274 $ 9.34 /kW

TOTAL ENERGY

 183 MMBtu $ 961 -
04 view
details		 USE MULTIPLE SPEED MOTORS OR AFD FOR VARIABLE PUMP, BLOWER AND COMPRESSOR LOADS 2.4141 N $ 2,950 $ 520 5.67
Energy Sources Yearly Reduction Yearly Savings Unit Price

Electricity

 9,600 kWh $ 370 $ 0.038 /kWh

- Demand Charge

 13 kW $ 150 $ 9.34 /kW

TOTAL ENERGY

 98 MMBtu $ 520 -
05 view
details		 UTILIZE ENERGY-EFFICIENT BELTS AND OTHER IMPROVED MECHANISMS 2.4111 I $ 780 $ 500 1.56
Energy Sources Yearly Reduction Yearly Savings Unit Price

Electricity

 9,200 kWh $ 350 $ 0.038 /kWh

- Demand Charge

 13 kW $ 150 $ 9.34 /kW

TOTAL ENERGY

 94 MMBtu $ 500 -
06 view
details		 USE SOLAR HEAT TO HEAT WATER 2.9112 N $ 121,820 $ 28,910 4.21
Energy Sources Yearly Reduction Yearly Savings Unit Price

Natural Gas

 3,790 MMBtu $ 28,910 $ 7.74 /MMBtu

TOTAL ENERGY

 3,790 MMBtu $ 28,910 -
07 view
details		 INSTALL OCCUPANCY SENSORS 2.7135 I $ 4,790 $ 8,750 0.55
Energy Sources Yearly Reduction Yearly Savings Unit Price

Electricity

 166,900 kWh $ 6,170 $ 0.038 /kWh

- Demand Charge

 179 kW $ 2,010 $ 9.34 /kW

TOTAL ENERGY

 1,711 MMBtu $ 8,180 -

Personnel Changes

 - $ 250 -

Ancillary Material Cost

 - $ 320 -

TOTAL PRODUCTON

 - $ 570 -
08 view
details		 UTILIZE HIGHER EFFICIENCY LAMPS AND/OR BALLASTS 2.7142 I $ 13,186 $ 3,930 3.36
Energy Sources Yearly Reduction Yearly Savings Unit Price

Electricity

 77,801 kWh $ 3,003 $ 0.038 /kWh

- Demand Charge

 110 kW $ 1,229 $ 9.34 /kW

TOTAL ENERGY

 797 MMBtu $ 4,232 -

Ancillary Material Cost

 - $ -302 -

TOTAL PRODUCTON

 - $ -302 -
09 view
details		 INCREASE INSULATION THICKNESS 2.2512 N $ 5,150 $ 3,590 1.43
Energy Sources Yearly Reduction Yearly Savings Unit Price

Natural Gas

 470 MMBtu $ 3,590 $ 7.74 /MMBtu

TOTAL ENERGY

 470 MMBtu $ 3,590 -
10 view
details		 MAKE A PRACTICE OF TURNING OFF LIGHTS WHEN NOT NEEDED 2.7124 I $ 0 $ 1,530 0.00
Energy Sources Yearly Reduction Yearly Savings Unit Price

Electricity

 26,700 kWh $ 1,010 $ 0.038 /kWh

- Demand Charge

 39 kW $ 440 $ 9.34 /kW

TOTAL ENERGY

 274 MMBtu $ 1,450 -

Personnel Changes

 - $ 30 -

Ancillary Material Cost

 - $ 50 -

TOTAL PRODUCTON

 - $ 80 -
11 view
details		 CLEAN OR COLOR ROOF TO REDUCE SOLAR LOAD 2.7425 I $ 0 $ 1,340 0.00
Energy Sources Yearly Reduction Yearly Savings Unit Price

Electricity

 27,300 kWh $ 1,340 $ 0.038 /kWh

TOTAL ENERGY

 280 MMBtu $ 1,340 -
12 view
details		 USE SOLAR HEAT FOR HEAT 2.9113 N $ 1,400 $ 730 1.92
Energy Sources Yearly Reduction Yearly Savings Unit Price

Electricity

 15,000 kWh $ 730 $ 0.038 /kWh

TOTAL ENERGY

 154 MMBtu $ 730 -
13 view
details		 RECOVER HEAT FROM AIR COMPRESSOR 2.2434 N $ 1,600 $ 530 3.02
Energy Sources Yearly Reduction Yearly Savings Unit Price

Electricity

 12,700 kWh $ 490 $ 0.038 /kWh

- Demand Charge

 4 kW $ 40 $ 9.34 /kW

TOTAL ENERGY

 130 MMBtu $ 530 -
14 view
details		 USE SOLAR HEAT TO HEAT MAKE-UP AIR 2.9111 N $ 3,400 $ 340 10.00
Energy Sources Yearly Reduction Yearly Savings Unit Price

Natural Gas

 45 MMBtu $ 340 $ 7.74 /MMBtu

TOTAL ENERGY

 45 MMBtu $ 340 -