Potomac Electric Power Company's Manhole Incident Report Reveals Details of June 18, 2025, Event

On June 25, 2025, Dennis P. Jamouneau, Assistant General Counsel at Potomac Electric Power Company (Pepco), submitted a 5-day manhole event report to the Public Service Commission of the District of Columbia regarding a smoking manhole incident that occurred on June 18, 2025, at 2020 M Street, NW. The report provides detailed information about the incident, including the duration, classification, and affected customers.

Key Takeaways:

  • The manhole incident occurred on June 18, 2025, at 1415 hours, with Pepco receiving a report from the Metropolitan Police Department (MPD) of a smoking manhole at 2020 M Street, NW.
  • Upon investigation, UG crews found an intact solid manhole cover with burnt secondary cables and smoke coming from it, and isolated the cables for repairs.
  • The incident lasted for 9 hours, from 1415 hours to 2315 hours, affecting 2 manholes and 0 customers.
  • The report was submitted to the Public Service Commission within 5 days of the incident, as required by Commission Rule 3601.4.
  • The incident was classified as a "smoking manhole" with a solid manhole intact.
  • Pepco is required to report manhole incidents to the Office of Engineering and the Office of the People's Counsel (OPC) telephonically and by e-mail within 1 hour of receiving notice, and to submit a report to the Commission within 5 days of the incident.

Statistics:

  • 1 manhole incident reported on June 18, 2025
  • 9-hour duration of the incident
  • 2 manholes affected
  • 0 customers affected
  • Incident classified as a "smoking manhole"
  • Report submitted to the Public Service Commission within 5 days of the incident

Sources:

  • PEPMIR - Manhole Incident Report (attached to the email dated June 25, 2025)
  • Public Service Commission of the District of Columbia (Commission Rule 3601.4)
  • Office of Engineering and the Office of the People's Counsel (telephonic and email reporting requirements)