Budderfly provides turnkey energy infrastructure and Energy-as-a-Service solutions, installing, monitoring, and managing equipment upgrades and proprietary energy software across HVAC, lighting, refrigeration, controls, and water technologies. The company delivers projects under long-term service agreements that preserve customer capital while generating predictable, long-term cash flows and measurable cost and emissions reductions. Budderfly serves industries including restaurants, retail, healthcare, and manufacturing and reports helping customers avoid more than 330,000 metric tons of carbon emissions to date. Financially, Budderfly achieved positive EBITDA in 2025 and has secured more than $1.1 billion in total capital access across equity, corporate debt, and project financing. The company has expanded project debt facilities to $550 million and recently closed a corporate debt facility expansion with Nuveen EIC; Nuveen’s cumulative commitment exceeds $300 million. Budderfly is headquartered in Shelton, Conn., and has been recognized on the Inc. 5000 list for five consecutive years, the Deloitte Technology Fast 500 from 2023–2025, and received multiple accolades from Fast Company and TIME.

Total raised

$1.2B

Funding rounds

7

Latest round

Debt Financing

Latest activity

Jun 2026