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 EPA's IPM Base Case v.4.10 

EPA's IPM Base Case v.4.10 

You will need Adobe Acrobat Reader to view some of the files on this page. See 

EPA's About PDF page to learn more about PDF, and a link to the free Adobe Acrobat 

Reader. 

September 1, 2010 - EPA announced a Federal Register Notice of 

Data Availability (NODA) supporting the Proposed Transport Rule.

NODA(PDF 3 pp) 

Proposed Transport Rule results using EPA's IPM Base Case v.4.10

Documentation for EPA's IPM Base Case v.4.10

National Electric Energy Data System (NEEDS) v.4.10

Related Items

Documentation and run results from previous Base Case

Proposed Transport Rule Results Using EPA's Base Case v.4.10

Click on the run identification number in the second column of the following table to download a 

zipped archive file containing: 

Detailed IPM input and output files (i.e., .DAT, System Summary 

Report, .RPE, .CAR, and TAC files) for the listed runs. Guide to the 

content of the IPM input and output files (PDF 122 KB) . 

Parsed files for the listed run and year. Whereas IPM output files 

report aggregated results for "model" plants (i.e., aggregates of 

generating units with similar operating characteristics), parsed files 

show IPM results at the generating unit level. Guide to the content 

of the parsed files (PDF 28 KB) . 
IPM v.4.10 Runs and Parsed Files

IPM Run 

Name

IPM Run Description

TR Base Case 

v.4.10 (Zip 6.7 

MB) 

Base case model run, which includes the national Title IV SO2 cap-andtrade program; NOX SIP Call regional ozone season cap-and-trade 

program; and all current settlements and state rules. This run represents 

conditions without the proposed Transport Rule and without the rule it 

replaces (CAIR).

TR SB Limited 

Trading v.4.10

(Zip 6.8 MB) 

This run models the State Budgets/Limited Trading proposed remedy 

described in the Transport Rule preamble.

TR Base Case 

AEO Gas v.4.10

(Zip 7 MB) 

TR Base Case as described above, except with gas resource assumptions 

similar to the Energy Information Administration's Annual Energy Outlook 

(AEO) 2010 gas resource assumptions.

TR SB Limited 

Trading AEO 

Gas v.4.10 (Zip 

6.8 MB) 

TR SB Limited Trading described above, except with gas resource 

assumptions similar to the Energy Information Administration's Annual 

Energy Outlook (AEO) 2010 gas resource assumptions.

Top of Page

Documentation for EPA Base Case v.4.10
To learn more about EPA Base Case v.4.10 assumptions, updates, changes, and enhancements, see 

the links below.

Chapter 1: Introduction (PDF 260 K) 

Chapter 2: Modeling Framework (PDF 363 KB) 

Chapter 2: Appendix 2-1 Data (Excel 12.76 MB) | Appendix 2-1 Graphics

(PDF 1.76 MB) 

Chapter 3: Power System Operation Assumptions (PDF 1.27 MB) 

Chapter 3: Appendix 3-9 (Excel 1.83 MB) 

Chapter 4: Generating Resources (PDF 469 K) 

Chapter 5: Emission Control Technologies (PDF 1.26 MB) 

Chapter 5: Appendix 5-1A Wet FGD (PDF 336 KB) | Appendix 5-1B SDA 

FGD (PDF 314 KB) | Appendix 5-2A SCR (PDF 148 KB) | Appendix 5-2B 

SNCR (PDF 237 KB) 

Chapter 6: Carbon Capture, Transport and Storage (PDF 419 KB) 

Chapter 7: Set-Up Parameters and Rules (PDF 108 KB) 

Chapter 8: Financial Assumptions (PDF 135 KB) 

Chapter 9: Coal (PDF 1.31 MB) 

Chapter 9: Appendix 9-3 (Excel 149 KB) | Appendix 9-4 Data (Excel, 665 

KB) | Appendix 9-4 Graphics (PDF 166 KB) 

Chapter 10: Natural Gas (PDF 1.48 MB) 

Chapter 11: Other Fuels and Fuel Emission Factors (PDF 272 KB) 

Chapter 11: Appendix 11-1 (Excel 283 KB) 

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National Electric Energy Data System (NEEDS) v.4.10

The National Electric Energy Data System or “NEEDS” database contains the generation unit records 

used to construct the "model" plants that represent existing and planned/committed units in EPA 

modeling applications of IPM. NEEDS includes basic geographic, operating, air emissions, and other 

data on these generating units. NEEDS was completely updated for Base Case v.4.10. For a 

description of the sources used in preparing NEEDS v.4.10, see Base Case v.4.10 Documentation, 

Chapter 4: Generating Resources. 

Download the NEEDS v.4.10 database (Zip, 1.3 MB) 

NEEDS User's Guide (PDF 172 KB) 

Related Items

Intermediate Gas Resource Assumptions for IPM v.4.10 (PDF 16 KB) 

Planned Updates to IPM v.4.10 (PDF 22 KB) 

Documentation and Run Results Using Previous Base Cases

Integrated Planning Model (IPM)

IPM Analysis of the Proposed Transport Rule
Update to EPA Base Case v.3.02 EISA(PDF 38 pp) 

EPA's IPM Base Case 2006 (v3.0). 

Other Past EPA Modeling Applications. 

Return to main IPM page

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http://www.epa.gov/airmarkets/progsregs/epaipm/BaseCasev410.html#documentation

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Last updated on Wednesday, September 08, 2010

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