Fitch Ratings does not expect an impact on 's creditratings now that it has secured regulatory approval for its environmental compliance plan for theSooner coal-firedpower plant.

The Oklahoma Corporation Commission approval does, however,clarify the OGE Energy Corp.subsidiary's strategy to comply with the U.S. EPA's regional haze planrequirements, the ratings agency said April 29.

OG&E is rated "A" while OGE Energy is rated "A-"at the ratings agency.

Fitch expects ratings at both companies to remain consistentin either a scrubber installation or gas conversion scenario. "[O]GE andOGE's rating stability will depend on on-time and on-budget execution of thescrubber project and other environmental compliance projects, as well asreasonable and timely recovery in rates after completion of these projects,"Fitch said.