Vivint Solar Inc. promoted Thomas Plagemann as chief commercial officer and head of capital markets and Erica Dahl as vice president of public policy and government affairs, the company announced Feb. 1.

Plagemann has also been elected as chair of the state policy committee for the Solar Energy Industries Association. He previously served as executive vice president and head of capital markets for Vivint.

Dahl most recently served as the company's director of public policy and government affairs.