Delivered
Energy Consumption Projections by Industry
in the Annual Energy Outlook 2002
Table 17. Cement Industry Coefficients for Technology Possibility Curves
|
Process Step |
Old Facilities |
New Facilities |
Annual Equipment Retirement Rate |
||||
|---|---|---|---|---|---|---|---|
|
REI 1998 |
REI 2020 |
TPC |
REI 1998 |
REI 2020 |
TPC |
||
|
Dry Process |
1.000 |
0.868 |
-0.0064 |
0.889 |
0.716 |
-0.0098 |
1.2 |
|
Wet Processa |
1.000 |
0.947 |
-0.0025 |
NA |
NA |
NA |
1.2 |
|
Finish Grinding |
1.000 |
0.865 |
-0.0066 |
0.950 |
0.718 |
-0.0127 |
1.2 |
|
aNo new plants are likely to be built that use this technology. Notes: NA = Not Applicable. REI = Relative Energy Intensity. TPC = Technology Possibility Curve. The coefficient values shown for TPCs indicate the average annual change from 1998 through 2020. Source: Energy Information Administration, Model Documentation Report: Industrial Sector Energy Demand Model of the National Energy Modeling System, DOE/EIA-M064(2002) (Washington, DC, December 2001). |
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