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The Integrated Air Pollution Control System (IAPCS)Cost Model is a compiled model written in FORTRAN and C language which is designed to be used on an IBM or compatible PC with 640K or lower RAM and at least 1.5 Mb of hard drive space. It was developed over the past several years, and different parts of the model have been updated at different times and are subject to different levels of confidence. Model output includes: a preliminary design, material balance, emission summary, capital cost estimate, and annualized cost estimate (including capital charges and operation and maintenance expense) for about 16 control technologies (and combinations of these) applicable to coal-fired power plants ranging in size from 100-1300 Mwe of electric generating capacity. Costs are output in any year dollars (cost indexes and inflation rates are used) as first year and levelized costs and cost per unit of pollutant reduced. Model input includes boiler characteristics, coal analysis, desired pollution control technologies, pollution control design criteria, and economic assumptions. The model has about 300 variables; however, all except the desired pollution control technology have default values in the model's parameter file so that a user need only supply those units that are necessary for a particular analysis. The model will estimate costs for the following techniques: SO2 control, NOx control, particulate matter; and combustion technologies. For more details regarding the IAPCS Cost Model, visit the web site at http://www.epa.gov/docs/crb/aptb/iapcs.htm. To access directly from this web site, click on downloads on the navigation bar.

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