Operating Company Losses

Current Status

Report Name

Change Summary

Effective Date




OI_LOSSESMD - Operating Company Losses Report - Rev 1

Existing. 01.01.2001 PDF XLTX CSV


OI_LOSSESMD - Operating Company Losses Report - Rev 1

OI_LOSSESMD_<customer id>_<settlement date>_<version>.CSV

<Customer Name>
Date: mm/dd/yyyy and Version: mm/dd/yyyy hh:mm:ss GMT

Availability: Daily to all Participants



Trading Interval

The hour for which the losses apply. Specific hour for which the information is reported. Numeric from 1 - 24 (For daylight-saving crossover days: the long day extra hour = 02X, the short day removes hour 02).


By hour, by operating company (currently 15) losses for the prior day as estimated by the ISO. Current operating companies are:

  • Bangor Hydro
  • Boston Edison
  • Braintree Electric Light Dept.
  • Central Maine Power
  • ComEnergy
  • Connecticut Light and Power
  • Eastern Utilities Associates
  • Holyoke Gas & Electric
  • Holyoke Water Power
  • Maine Power CO Node
  • NEES
  • Public Service of New Hampshire
  • Taunton Municipal Light Plant
  • United Illuminating
  • Vermont Electric Co.
  • Western Mass Electric Company
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