Sunrun & HASI Form New $500 Million Joint Venture to Accelerate Distributed Power Development - CleanTechnica

HA Sustainable Infrastructure Capital, Inc. (HASI) and Sunrun Inc., America’s largest provider of home battery storage and solar power systems, have formed a $500 million joint venture to accelerate the development of distributed energy assets. The partnership, finalized in December 2025, aims to finance over 300 megawatts of capacity across more than 40,000 home power plants nationwide. HASI will invest up to $500 million over 18 months through a structured equity investment that monetizes long-term customer cash flows while allowing Sunrun to maintain significant ownership and flexibility in project debt structuring. This innovative financing approach is expected to reduce the cost of capital and will be consolidated on Sunrun’s financial statements. The collaboration builds on a relationship dating back to 2018 and leverages HASI’s expertise in sustainable infrastructure investments and Sunrun’s proven track record in residential energy asset ownership and operation. Sunrun’s CFO highlighted that this financing structure is a first-of-its-kind for residential