These files contain PJM capacity resource, obligation, and transaction data. Aggregate data will be posted on a one-month lag after the billing cycle ends on the 5th business day of the month. Detailed information will be posted with a six-month lag. Any Market Monitoring Unit document with a .pdf file extension may be viewed and printed with Adobe Acrobat Reader. Files with extension .csv may be accessed with spreadsheet programs such as Excel or database programs.