Sunrun: 70% battery storage attachment rates minimised US solar leaser's losses in Q3 2025

The 412MWh of new storage capacity added in the third quarter of 2025 is a 23% increase over the same quarter in the previous year.

These positive figures have helped minimise the company’s losses over the last year. In the third quarter of 2025, Sunrun’s losses stood at US$277.8 million, compared to losses of US$412.2 million in the third quarter of 2024. Indeed, the company’s operations generated a profit of US$3.7 million in the third quarter of the year, contrasting with a loss of US$223.5 million in the first nine months of the year.

Notably, Sunrun has generated US$1.2 billion in proceeds in the first nine months of the year, double the US$557.1 million generated in the first nine months of 2024.

Sunrun has also effectively monetised tax credit transfers, which have formed an increasingly lucrative part of the US clean energy space.