IDAHO 500 | 

Leif Elgethun, PE, LEED AP

Organization
Retrolux
Title
Principal Owner, Sprout Energy, and Founder and CEO

Leif Elgethun has more than 15 years of experience helping organizations achieve energy goals, with more than 1 gigawatt of project development and 100 megawatts of renewable energy projects delivered.

He founded Retrolux in May 2016, a software-as-a-service company providing utilities, electrical distributors and contractors with comprehensive product supply chain logistics and energy efficiency solutions. The cloud-based platform helps small to midsize contractors and energy service companies improve efficiency, accuracy and scalability while shortening sales cycles.

Since September 2018, he has served as principal owner of Sprout Energy, providing sustainability consulting and turnkey clean energy projects for commercial, industrial and agricultural customers including St. Luke’s Hospital, Treasure Valley YMCA, Boise State University and the City of Boise. He holds bachelor’s degrees in chemical engineering, mathematics and chemistry, and a master’s degree in engineering management from the University of Idaho. He is a licensed professional engineer in Idaho and LEED-accredited for new construction.

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