PowerSecure InternationalInc. stockholders have approvedthe company's proposed mergerwith Southern Co.

PowerSecure stockholders will be paid $18.75 in cash for each common stock owned. The dealhas already won approvalfrom the Federal Trade Commission and is expected to close in the second quarter.

Stockholder approval was the last major authorization that thecompanies needed to complete the merger, according to a May 5 statement.