NRG Energy Inc. said Thursday that Chief Executive David Crane has resigned after more than a decade at the helm of the company.

NRG named operations chief Mauricio Gutierrez as his replacement. Mr. Crane will help with the transition through the end of the year, though his resignation is effective immediately.

For the past several years, Mr. Crane has been leading a billion-dollar push into clean power: rooftop solar, wind farms and electric-car charging stations.

But in September, Mr. Crane's ambitions were dealt a blow as NRG announced it would scale back its renewable-energy plans to focus on its traditional power-generation business in hopes of bolstering its balance sheet and slumping stock.

Mr. Crane told The Wall Street Journal that the moves were to placate investors.

Shares of NRG, down 60% this year, added 2% in premarket trading.

Write to Chelsey Dulaney at Chelsey.Dulaney@wsj.com

 

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(END) Dow Jones Newswires

December 03, 2015 09:25 ET (14:25 GMT)

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