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EPA's Analysis Using the Integrated Planning Model (IPM) for the Final Section 126 Rule (December 1999)

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This page summarizes the contents of the electronic files that pertain to the 13 jurisdiction–Section 126 Policy Final Rulemaking, and includes Integrated Planning Model (IPM) files and the results of the Partial State Analysis.

This document accompanies the IPM runs and Partial State Analysis results below. It also includes an explanation of IPM input and output file extensions. 

IPM Runs and Partial State Analysis Results


This base case run includes Title IV SO2 and NOx emission constraints.

The following policy case IPM runs include more stringent NOx emission constraints for the electricity generating units in the affected 13 jurisdictions, in addition to the Title IV SO2 and NOx emission constraints.

This policy run is based on the NOx emission rate standard of 0.15 lbs/MMBtu. This emission rate standard corresponds to the total NOx emissions cap of approximately 339,800 tons for the electric generating units (that are greater than 25 MW of capacity) located in the affected 13 jurisdictions.

This policy run is based on the NOx emission rate standard of 0.12 lbs/MMBtu. This emission rate standard corresponds to the total NOx emissions cap of approximately 271,840 tons for the electric generating units (that are greater than 25 MW of capacity) located in the affected 13 jurisdictions.

This policy run is based on the NOx emission rate standard of 0.20 lbs/MMBtu. This emission rate standard corresponds to the total NOx emissions cap of approximately 453,070 tons for the electric generating units (that are greater than 25 MW of capacity) located in the affected 13 jurisdictions.

This policy run is based on the NOx emission rate standard of 0.25 lbs/MMBtu. This emission rate standard corresponds to the total NOx emissions cap of approximately 566,330 tons for the electric generating units (that are greater than 25 MW of capacity) located in the affected 13 jurisdictions.

The worksheet titled " Fuel Use and Emissions" contains the summary of capacity, fuel use, and NOx emissions projections (for the year 2007), associated with the new and existing electric generating units that are located in those areas of Indiana, Kentucky, Michigan, and New York that are exempt from the 13 jurisdiction- Section 126 Final Rule.

The worksheet titled "Control Costs" contains the summary of capacity, NOx control costs and NOx emission reductions (in 2007) associated with the existing electric generating units that are located in those areas of Indiana, Kentucky, Michigan, and New York that are exempt from the 13 jurisdiction-Section 126 Final Rule.

These analyses were performed using the parsed results for the IPM run, 126ipm1, which corresponds to the NOx emission rate standard of 0.15 lbs/MMBtu of the 13 jurisdiction-Section 126 Final Rule, for the year 2007, and the EPA's combustion control cost estimates (TitleIV~2.xls, 1998).

 


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