In a statement, the board of Utah-based Vivint did not give a reason for the move. Butterfield took the post in September 2013 and led the company’s initial public offering in fall of 2014.

David Bywater, chief operating officer at Vivint Smart Home, was named chief executive on an interim basis.

“Vivint Solar will begin a search for a permanent CEO in the coming weeks,” the statement says.

At