MIDDLETOWN, Pa. (WHTM) — Three Mile Island will test its emergency warning sirens today. All 96 sirens in the 10-mile radius around the nuclear power plant will sound for a full three minutes ...

Microsoft has signed a groundbreaking 20-year deal to revive the shuttered Three Mile Island nuclear plant to power its AI data centers. If approved, Microsoft will have exclusive access to 100% ...

Three Mile Island, the nuclear power plant located about 10 miles from Harrisburg, Pa., has stood as a symbol of nuclear incompetence for 38 years, or since the reactor in its Unit 2 partially ...

DAUPHIN COUNTY, Pa. — Exelon Generation will conduct its semi-annual, full volume test of the emergency warning sirens surrounding Three Mile Island Generating Station Thursday at approximately ...

A sign announces the closing of the observation center for the Three Mile Island nuclear plant in Pennsylvania, following an accident, March 28, 1979.

Constellation Energy on Wednesday said the company is "on schedule" to restart a nuclear reactor at Three Mile Island and has made significant progress in hiring for the facility. Officials with ...

Constellation Energy plans to restart Three Mile Island's Unit 1 in 2028 through a power purchase agreement with Microsoft. The plant will be renamed the Crane Clean Energy Center.

The former Three Mile Island nuclear power plant in Pennsylvania may restart in 2027, about a year ahead of schedule after being put on a fast track to connect to the regional grid, executives ...

The negotiations, which two sources described to Reuters as "beyond preliminary," are a sign that Constellation is looking to reopen at least part of Three Mile Island, which began operating in 1974.

A small group of protesters have gathered outside the Three Mile Island nuclear power plant in Dauphin County — on the 40th anniversary of the partial meltdown of the facility’s Unit 2 reactor. A ...

In a striking sign of renewed interest in nuclear power, Constellation Energy said on Friday that it plans to reopen the shuttered Three Mile Island nuclear plant in Pennsylvania, the site of the ...