Sempra Energy expects Sempra Partners to file a registration statement with the US Securities and Exchange Commission (SEC) in the second half of 2015.

Subject to market conditions and further approval of Sempra Energy's board, an offering of common units representing limited-partner interests would follow registration with the SEC.

Upon completion of the initial public offering, Sempra Energy expects to own all of its incentive distribution rights, a portion of its common units and all of its subordinated units.

"Sempra