Budderfly, a company redefining energy efficiency and resilience for America’s commercial sector, has secured $550.0 million in new funding. Under the leadership of CEO Al Subbloie, Budderfly has pioneered a scalable Energy-as-a-Service (EaaS) model designed to remove capital and operational barriers that prevent commercial businesses from modernizing their energy infrastructure and maximizing the benefits of the energy transition.
The company, recognized as the fastest-growing EaaS provider in the United States, installs, monitors, and manages a combination of patented efficiency technologies. This includes equipment upgrades and proprietary energy software for its customers. Businesses utilizing Budderfly’s model benefit from capital preservation, a reduced carbon footprint, more reliable operations, and an improved experience for both customers and employees.
To date, Budderfly has helped its customers avoid more than 330,000 metric tons of carbon emissions. The company has consistently been ranked on the Inc. 5000 America’s Fastest-Growing Private Companies list for five consecutive years and the Deloitte Technology Fast 500 list. Recent accolades include being named to Fast Company’s worldwide list of Most Innovative Companies in 2025, with CEO Al Subbloie also recognized on the TIME100 list of influential climate leaders.
This substantial capital infusion will be strategically deployed to accelerate Budderfly’s growth initiatives, expand its energy infrastructure across the commercial sector, and further scale its proprietary technology solutions. The funding is expected to support the company’s continued mission to drive the energy transition, enabling more businesses to achieve significant energy savings and sustainability goals nationwide.
