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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 - November 03, 2026 11/03/2026 08:16 AM EST CSV
AMS Operable Capacity Analysis - October 20, 2026 10/20/2026 08:17 AM EDT CSV
AMS Operable Capacity Analysis - October 21, 2026 10/21/2026 08:17 AM EDT CSV
AMS Operable Capacity Analysis - October 22, 2026 10/22/2026 08:17 AM EDT CSV
AMS Operable Capacity Analysis - October 23, 2026 10/23/2026 08:19 AM EDT CSV
AMS Operable Capacity Analysis - October 24, 2026 10/24/2026 08:19 AM EDT CSV
AMS Operable Capacity Analysis - October 25, 2026 10/25/2026 08:18 AM EDT CSV
AMS Operable Capacity Analysis - October 26, 2026 10/26/2026 08:17 AM EDT CSV
AMS Operable Capacity Analysis - October 27, 2026 10/27/2026 08:19 AM EDT CSV
AMS Operable Capacity Analysis - October 28, 2026 10/28/2026 08:19 AM EDT CSV
AMS Operable Capacity Analysis - October 29, 2026 10/29/2026 08:21 AM EDT CSV
AMS Operable Capacity Analysis - October 30, 2026 10/30/2026 08:18 AM EDT CSV
AMS Operable Capacity Analysis - October 31, 2026 10/31/2026 08:17 AM EDT CSV
AMS Operable Capacity Analysis - November 01, 2026 11/01/2026 08:16 AM EST CSV
AMS Operable Capacity Analysis - November 02, 2026 11/02/2026 08:16 AM EST CSV