View a user guide for the the updated National Electric Energy Data System (NEEDS), the database used to construct the "model" plants that represent existing and planned/committed units in EPA modeling applications.
View Power Sector Modeling Platform v.5.15 and Analysis of the Clean Power Plan for related information.
You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.- NEEDS v.5.15 User Guide (PDF)(7 pp, 127 K, 08/2015)