Deerfield, Ill. — It often takes a while to start up a nitrogen complex after a power outage, and such was the case with CF Industries Holdings Inc. The company said power was restored at the Donaldsonville, La., complex less than 12 hours after the storm activity of Thursday, May 31. CF said that a safe and orderly start-up of the plants began following a thorough assessment of the site. Damage from the storm was minor, and as of Thursday, June 7, only one of ten operating units remained down. CF expects that unit to be fully operational by Friday, June 8.