National Electric Energy Data System (NEEDS) | US EPA

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. For a description of the sources used in preparing NEEDS, see Documentation,

Chapter 4 Generating Resources (rev June 2022) (pdf)

. [For versions of NEEDS prior to the rev 6-21-22, see Documentation] For how to send us feedback on NEEDS, see the User Guides.

Most Recent Version of NEEDS:

Previous Versions of NEEDS:

User Guides:

If you have any questions, please contact CAMD using our online form

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