E Source
E Source is a research, consulting, and data science firm based in Boulder, Colorado, with over 30 years of experience in the utility sector. Founded in 1992, the company provides a range of services to electric and gas utilities, water utilities, and solution providers in the U.S. and Canada. E Source focuses on strategy development, program innovation, customer experience transformation, grid and asset optimization, and technology planning. The company also offers tools and platforms to support its services, including Energy AdVision, an interactive tool for analyzing marketing campaigns, and access to research reports and webinars that keep utilities informed about industry trends. E Source actively participates in initiatives and events, such as the E Source Forum 2025 and various consortia aimed at improving utility operations and addressing challenges like wildfire risks.
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Headcount trend
E Source went from 245 employees in Jul 2023 to 317 in Jun 2025. Jan to Jun 2025: 23 people joined, 16 left.
Headcount data through Jun 2025
Org structure
Headcount by department
Salaries at E Source
All salaries5 salary profiles in the US
Most reported roles
H-1B sponsorship
The department split adds up all the years listed above. FY2026 alone: 3 filings.
Peer reviews
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Anonymous peer reviews on OffTheRecord
Similar companies
E Source FAQ
How many employees does E Source have?
E Source has about 317 employees, down 0.9% over the 3 months to Jun 2025.
Does E Source sponsor H1B visas?
Yes. E Source filed 3 H1B (LCA) applications in FY2026, according to the latest U.S. Department of Labor disclosures. Most of them were for Consulting roles.
What is E Source's revenue per employee?
E Source makes about $71K in revenue per employee, based on $22.4M annual revenue and 317 employees.
How much does E Source pay?
6figr has 5 salary profiles for E Source in the US, with pay broken down by role, level, gender and ethnicity on the E Source salaries page. See E Source salaries
Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.