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

Industrial Technologies Program

Industrial Assessment Centers

Assessment #AR0002


Assessment Year 1993
SIC 3624
SIC Description Carbon And Graphite Products
NAICS
NAICS Description
Principal Product Graphite Electrodes
Sales $ 7,500,000
# of Employees 94
Plant Area (Sq.Ft.) 108,717
Annual Production 4,500 Tons
Production Hrs. Annual 2,080
Location (State) AR
Yearly Energy Cost $ 1,517,038

Current Energy Usage & Costs

Energy Sources Yearly Usage Yearly Cost Unit Price

Electricity

20,121,044 kWh $ 1,055,064 $ 0.052 /kWh

- Electricity Fees

- $ 0 -

Natural Gas

187,519 MMBtu $ 461,974 $ 2.46 /MMBtu

TOTAL ENERGY

393,760 MMBtu $ 1,517,038 $ 3.85 /MMBtu

Recommended Reduction in Usage & Costs

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

Electricity

221,277 kWh
188,159 kWh
$ 11,605
$ 9,866
1.10 %
0.94 %
$ 0.052 /kWh

- Electricity Fees

- $ 0
$ 0
0.00 %
0.00 %
-

Natural Gas

1,292 MMBtu
1,292 MMBtu
$ 2,232
$ 2,232
0.48 %
0.48 %
$ 2.46 /MMBtu

TOTAL ENERGY

3,560 MMBtu
3,221 MMBtu
$ 13,837
$ 12,098
0.91 %
0.80 %
$ 3.85 /MMBtu

Recommendations

AR # Description ARC Code Status Cost Savings Payback
(Years)
01 view
details
INSTALL COMPRESSOR AIR INTAKES IN COOLEST LOCATIONS 2.4221 I $ 230 $ 2,244 0.10
Energy Sources Yearly Reduction Yearly Savings Unit Price

Electricity

42,790 kWh $ 2,244 $ 0.052 /kWh

TOTAL ENERGY

439 MMBtu $ 2,244 -
02 view
details
ELIMINATE LEAKS IN INERT GAS AND COMPRESSED AIR LINES/ VALVES 2.4236 I $ 620 $ 7,622 0.08
Energy Sources Yearly Reduction Yearly Savings Unit Price

Electricity

145,369 kWh $ 7,622 $ 0.052 /kWh

TOTAL ENERGY

1,490 MMBtu $ 7,622 -
03 view
details
SIZE ELECTRIC MOTORS FOR PEAK OPERATING EFFICIENCY 2.4132 N $ 600 $ 1,739 0.35
Energy Sources Yearly Reduction Yearly Savings Unit Price

Electricity

33,118 kWh $ 1,739 $ 0.052 /kWh

TOTAL ENERGY

339 MMBtu $ 1,739 -
04 view
details
REPAIR AND ELIMINATE STEAM LEAKS 2.2135 I $ 475 $ 1,845 0.26
Energy Sources Yearly Reduction Yearly Savings Unit Price

Natural Gas

750 MMBtu $ 1,845 $ 2.46 /MMBtu

TOTAL ENERGY

750 MMBtu $ 1,845 -
05 view
details
ANALYZE FLUE GAS FOR PROPER AIR/FUEL RATIO 2.1233 I $ 1,000 $ 387 2.58
Energy Sources Yearly Reduction Yearly Savings Unit Price

Natural Gas

542 MMBtu $ 387 $ 2.46 /MMBtu

TOTAL ENERGY

542 MMBtu $ 387 -