"This is our last resort. The accumulating unpaid bills have significantly impacted our operational capacities, making it unsustainable to continue without addressing these financial challenges," it said in a statement.

The state-run Electricity Company of Ghana did not immediately respond to a request for comment.

The government has been seeking a debt deal with independent power producers (IPP) as it grapples with its worst economic crisis in a generation, characterised by double-digit inflation and ballooning public debt.

In July, the IPPs reached an interim deal with the Electricity Company of Ghana over arrears owed to them. However, they warned that if the debt issue remains unresolved they would shut down without any further notice.

It was not immediately clear what impact the sudden loss of Sunon Asogli power would have on national supply to households and businesses.

(Reporting by Maxwell Akalaare Adombila; Writing by Alessandra Prentice; Editing by Chris Reese and Josie Kao)