An official website of the United States government.

We've made some changes to EPA.gov. If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

Clean Air Markets

Power Sector Modeling Platform v.5.15

August 3, 2015 — EPA is making available the latest power sector modeling platform, associated data assumptions, and file documentation.

  • Online form - Contact us with questions, comments and feedback regarding v.5.15.

Incremental Documentation for v.5.15

To learn more about v.5.15 assumptions, updates and enhancements, see the links below.

National Electric Energy Data System (NEEDS) v.5.15

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 updated for EPA’s new power sector modeling platform v.5.15 compared to v.5.13. Updates to NEEDS v.5.15 incremental to NEEDS v.5.14 is minimal.

Results Using EPA’s Base Case v.5.15

« Return to the Power Sector Modeling main page