Grid infrastructure incidents recorded in the United States, with what happened, the contributing factors and the lessons, each with its sources.
449 published entries. Newest first. Search and filter these in the register.
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Newest incident first. Search them, or narrow them by country, year or severity. Each entry is free to read, with what happened and its sources; the record behind it adds the cause where it is established, the part that failed, the downtime and the loss.
A viewer submitted dashcam video to KSAT Connect, the submission platform of the San Antonio news outlet KSAT, which appears to show a transformer exploding on the Northwest Side of San Antonio, Texas. The footage shows the road lit up as drivers passed. The...
On Monday 2 November 2026, an incident at Pepco's I Street Substation in the Foggy Bottom neighbourhood of Washington, DC, cut power to more than 1,000 customers. Pepco said about 1,100 customers were affected. The DC Fire and Emergency Medical Services...
Overnight, downed power lines crossed Highway 26 at Murray Boulevard in Portland, Oregon, and some lines landed on and around a black Bronco. All lanes of the highway were closed at Murray Boulevard for several hours while Portland General Electric crews...
The record behind each entry: the manufacturer, integrator and operator, root cause, failure mode, downtime, losses and every source.
On Wednesday 28 October 2026, a contractor cutting a transformer with a torch ignited residual oil inside an otherwise empty warehouse at 5 Cut St. in Alton, Illinois. Alton Fire Department was dispatched at 3:52 pm to a reported commercial structure fire and...
On Tuesday evening, 27 October 2026, a traction power substation at MARTA's Brookhaven station on the Gold Line in DeKalb County, Georgia, caught fire, according to MARTA and a report by WSB-TV. MARTA said rail service was disrupted and that all patrons were...
On Monday 26 October 2026, a squirrel apparently blew a transformer on a utility pole in Monroe, North Carolina, setting the pole on fire. The pole stood outside the Union County Library in the downtown area, which was being used as an early voting site....
On Thursday 15 October 2026, at about 4 p.m., a landslide incapacitated the Ketchikan Public Utilities Ward Cove Electrical Substation in Ketchikan. According to the City of Ketchikan public information officer, rain and wind caused trees, rocks and mud near...
At 11:52 pm on Monday 12 October 2026, an outage affected customers of Rochester Public Utilities (RPU) in Rochester. RPU officials said it followed an equipment failure at the utility's Cascade Creek Substation, in which insulation on a current transformer...
A transformer exploded on Dover Terrace in Monsey, New York, causing a power outage for residents in the surrounding area. Monsey Fire Department and Ramapo Police responded to the scene, and Orange & Rockland Utilities also responded. The report was...
A transformer and power line were reported to have come down at Tonset Road and Main Street in Orleans sometime after 5:30 pm on Monday, causing a small brush fire and cutting power to 1,200 Eversource customers. Traffic was diverted around the area....
At least four underground electrical vaults in San Francisco's Financial District caught fire or erupted on the morning of 1 October 2026, after smoke was reported from vaults near California Street and Front Street. The San Francisco Fire Department...
In the early morning of 11 September 2026 a lineman employed by a subcontracting company was seriously injured while carrying out electrical repair work at the Lakeview Avenue electric substation in Mayville, New York. The substation is owned by the Village...
Alexandria Fire Department was reported to have responded to a transformer fire at Mount Vernon Avenue and E. Nelson Avenue just before 7 a.m. on 8 September 2026. Dominion Energy customers peaked at more than 6,900 without power, mainly around Richmond...
A transformer fire in New Haven, Connecticut, was reported to have cut power on the afternoon of 9 September 2026. Yale University said power was out in the area of 2 Science Park (50 Division Street) and 25 Science Park (150 Munson Street). Winchester Avenue...
On the night before a report published on 29 September 2026, the apparent failure of a power transformer near South Business Drive and Union Avenue in Sheboygan caused an explosion, according to a local news report. Witness reports said the blast set fire to...
A local report said a transformer near Observation Drive and Ridge Road blew and caught fire, causing a power outage in parts of the Milestone area in Germantown. Power was reported still out for an extended period in parts of Milestone Shopping Center and...
A short report said firefighters contained a transformer fire at a Georgia Power high-voltage substation in Norcross, Georgia, early on 22 September 2026, after crews responded at 12:58 a.m. They encountered intense heat and a large fire inside the substation...
On 3 September 2026, a fire broke out in grass next to the powerhouse at Fort Peck Dam in northeastern Montana. Local emergency services said a failed transformer knocked a live power line to the ground and set the grass alight. The outage affected 3,157...
On 23 September 2026, a transformer fire was reported near 16 Cochituate Road in Framingham, Massachusetts. The fire service said a utility pole fell for an unknown reason, spilling oil from the pole-mounted transformer, which then ignited. A portion of...
A fire broke out on a utility pole in the White Hall substation service area of western Albemarle County, Virginia, cutting power to more than 400 members of the Central Virginia Electric Cooperative. The outage, located between the communities of Ivy and...
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