PJM has discontinued the posting of this infrequently used information. If you have a need for this information, please contact Member Services so that we may better understand your needs, offer alternatives or consider posting a more useful form of information.

These files contain the PJM available generator capacity aggregated for the PJM system by hour and by day. The filename indicates the date for which the information is effective. The data are in comma separated value format (csv), and each file contains a time stamp indicating when it was updated. 

Data Description (PDF)