Philadelphia Energy Solutions is closing its South Philadelphia refinery by next month following an explosion and fire last week, writes Kennedy Rose for Philadelphia Business Journal.

“I’m extremely disappointed for the more than one thousand workers who will be immediately impacted by this closure, as well as other businesses that are dependent on the refinery operations,” Philadelphia Mayor Jim Kenney said in a statement.

The United Steelworkers local union received no notice of layoffs or the plant’s closure, according to union President Ryan O’Callaghan.

The refinery employs about 1,000 people. PES is the largest oil refinery on the United States’ Eastern Seaboard, processing 335,000 barrels of crude oil per day, according to the company’s website.

City leaders will meet with “quasi-governmental organizations” to discuss the potential impacts on the economy and employment, as well as the future of the refinery, Kenney said.

PES has dealt with financial troubles over the years, including a Chapter 11 bankruptcy last year. Replacing equipment destroyed by the fires and explosion could cost PES more than $100 million, the Philadelphia Inquirer reported.

PES produces gasoline, jet fuel, cleaner-burning diesel, petrochemicals, liquified petroleum gas and sulfur, according to its website.

Read more about the refinery closing here.

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