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E Source


About E Source

E Source provides fuel-neutral, vendor-neutral advice and research to North American utilities. For nearly 30 years, E Source has been helping electric, gas, and water utilities with critical problems involving energy efficiency, utility customer satisfaction, program design, marketing, and customer experience.

E Source's focus is on helping companies exceed their business goals by highlighting the industry’s best practices, providing technology assessments, and delivering reliable market intelligence.


E Source

1745 38th Street
Boulder, CO 80301
Phone: 1-800-ESOURCE

Firm Stats

Employer Type: Private
Chairman: Michael Shepard
Chairman: Ken Black
President & CEO: Wayne Greenberg
2015 Employees (All Locations): 90

Major Office Locations

Boulder, CO

Major Departments & Practices

Utility and Energy Efficiency: Demand-Side Management, Customer Experience, Account Management, Marketing, Segmentation, Technology Assessment