Fire at Pennsylvania substation triggers multi-day power outage

What happened

A fire broke out at a Met-Ed (FirstEnergy) electrical substation in Gardners, Adams County, Pennsylvania, at around 8:50pm on 23 June 2025, during a period of high heat and demand. The fire initially disrupted power to about 13,500 customers. Firefighters extinguished the blaze quickly, allowing restoration to roughly 8,000 customers, but around 5,500 remained without power the following day, with repairs expected to take multiple days. Separately, a transformer failure at a nearby Met-Ed substation in Littlestown left over 4,000 customers without power the same night.

FirstEnergy mobilised temporary substations and crews worked around the clock to restore supply, while affected cooperatives rerouted transmission to partially restore service to some substations.

Contributing factors

The outages occurred during a period of extreme heat, increasing electrical demand and strain on the grid. The exact cause of the Gardners substation fire had not been determined at the time of reporting, and the operator stated a full assessment would follow once power was restored.

Lessons learned

1. A substation fire during peak summer demand disrupts supply for days, so operators should pre-position temporary substations and reroute plans.
2. Transformer failures at nearby sites can coincide with substation fires, so utilities must inspect all local assets under high load.
3. Extreme heat raises grid strain, so operators should monitor substations closely and reduce load before failures occur.

More lessons on outages, backup supply and restoration, maintenance, inspection and ageing assets, weather and external hazards, from every incident on the register.

Not yet known

• Exact cause of the Gardners fire
• Age and model of failed equipment
• Total cost of repairs and lost supply

This entry is updated when these are reported. Get an alert for the next one like it.

Source

local21news.com