MIRANT FILES FOR CHAPTER 11.(MAIN)

Byline: Associated Press

ATLANTA -- Energy supplier Mirant Corp., unable to reach a last-minute out-of-court debt restructuring plan with its creditors, filed for Chapter 11 bankruptcy protection late Monday.

A $1.1 billion debt payment was due today and Mirant needed all its banks and 85 percent of bondholders to back a debt exchange plan.

Mirant Corp., Mirant Americas Generation, LLC, and nearly of all their wholly-owned subsidiaries in the United States are included in the filings. Mirant's operations in the Philippines and the Caribbean were not included.

The filing is the latest …