Annual Maintenance Schedule

Download the Annual Maintenance Schedule for New England's generating facilities, with planned outages and an operable capacity analysis. This is an assessment of the margin between available resources and expected demand plus required operating reserves. The file can be opened via the CSV link, or an enhanced version can be opened by downloading and using this Microsoft Excel based tool.

 

Instructions for tool use (macros will need to be enabled):

  • Download and open the CSV file which will be viewed
  • Open the tool above
    • The tool can be saved to a local folder (it does not need to be downloaded for each use)
  • With the CSV file open on your desktop, click the Load New Data button and select the file to load
  • Click the Load File button
  • Additional instructions can be found in the tool

 

Annual Maintenance Schedules for days prior to April 2021 can be found on the Annual Maintenance Schedule Archive page.

 

 
Annual Maintenance Schedule
Description Timestamp Download
AMS Operable Capacity Analysis - July 14, 2025 07/14/2025 08:06 AM EDT CSV
AMS Operable Capacity Analysis - June 29, 2025 06/29/2025 08:06 AM EDT CSV
AMS Operable Capacity Analysis - June 30, 2025 06/30/2025 08:06 AM EDT CSV
AMS Operable Capacity Analysis - July 02, 2025 07/02/2025 02:19 PM EDT CSV
AMS Operable Capacity Analysis - July 03, 2025 07/03/2025 08:06 AM EDT CSV
AMS Operable Capacity Analysis - July 04, 2025 07/04/2025 08:06 AM EDT CSV
AMS Operable Capacity Analysis - July 05, 2025 07/05/2025 08:06 AM EDT CSV
AMS Operable Capacity Analysis - July 06, 2025 07/06/2025 08:06 AM EDT CSV
AMS Operable Capacity Analysis - July 07, 2025 07/07/2025 08:06 AM EDT CSV
AMS Operable Capacity Analysis - July 08, 2025 07/08/2025 08:06 AM EDT CSV
AMS Operable Capacity Analysis - July 09, 2025 07/09/2025 08:07 AM EDT CSV
AMS Operable Capacity Analysis - July 10, 2025 07/10/2025 08:06 AM EDT CSV
AMS Operable Capacity Analysis - July 11, 2025 07/11/2025 08:07 AM EDT CSV
AMS Operable Capacity Analysis - July 12, 2025 07/12/2025 08:06 AM EDT CSV
AMS Operable Capacity Analysis - July 13, 2025 07/13/2025 08:06 AM EDT CSV