Exhibit 99.1 Sunrun Reports Second Quarter 2025 Financial Results Aggregate Subscriber Value of $1.6 billion in Q2, 40$376 million, or $1.64 per share, 316$33 million and Cash Generation1 of $27 million in Q2, the fifth consecutive quarter of positive Cash Generation Reiterating Cash Generation guidance of$200 million to $500 million in 2025 SAN FRANCISCO, August 6, 2025 -- Sunrun (Nas ...