Delivered
Energy Consumption Projections by Industry
in the Annual Energy Outlook 2002
Table
33. Coal Mining Industry Coefficients for Technology Possibility
Curves
Industry
Old Facilities
New Facilities
Annual Equipment Retirement Rate
(Percent of Existing Stock)
REI 1998
REI 2020
TPC
REI 1998
REI 2020
TPC
Coal Mining
1.000
0.978
-0.001
0.900
0.861
-0.002
1.0
Notes:
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).