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Sunrun reversed two consecutive quarters of declines in solar PV and energy storage capacity installations during the second quarter of 2026, according to the company’s financial results reported by PV Tech. Solar PV capacity additions rose from 154.2MW in the first quarter to 174.3MW in the second quarter, though this remained below the 227.2MW installed in the same period a year earlier, reflecting a nearly 70% drop in affiliate channel volume as the company prioritizes direct channels.
This shift contributed to Sunrun trimming its full-year guidance for 2026. The storage attachment rate reached a record 74% in the second quarter, up four percentage points year-on-year, while storage capacity additions increased from 282.3MWh in the first quarter to 332MWh in the second quarter. Chief Executive Officer Mary Powell said the company’s storage-first offering is meeting a clear need for affordable, reliable power, with customers attaching batteries at the highest rate in company history.
Sunrun has installed more than 266,000 solar-plus-storage systems, representing 4.6GWh of networked storage capacity. Over the past 12 months, it added over 1GWh of storage and dispatched more than 700MW of power. The company aims to more than double its dispatchable power capacity to 10GWh by the end of 2028. Sunrun also stated that its deployed assets represent over US$500 million in grid services present value.
Powell described Sunrun as the largest Residential Independent Power Producer, with over 4.6GWh of storage installed nationwide, positioning the company to meet power demand faster than the traditional grid can deliver. During the second quarter, Sunrun moved to serve electricity demand from data centres and AI. In June 2026, it signed a non-bidding letter of intent with Renew Home and Tesla to deliver more than 16GW of flexible energy capacity to US hyperscalers and utilities, a partnership expected to create the largest virtual power plant in the country. In July 2026, Sunrun launched a distributed AI data center pilot placing compute nodes in homes with its solar and storage systems.
Total revenue for the second quarter reached US$870 million, up 53% year-on-year, with first-half revenue surpassing US$1.5 billion compared to US$1 billion in the first half of 2025. Customer agreements and incentives revenue, as well as energy systems and product sales revenue, both rose year-on-year, the latter boosted by a transaction entered into in the third quarter of 2025 involving the sale of certain storage and energy systems to a third party. The net loss for the second quarter narrowed by US$70 million year-on-year to US$208 million, while the first-half net loss fell to US$505 million from US$556 million.
Analysts at Roth Capital described the results as mixed but expected Sunrun to emerge much stronger after a transition year in 2026 as it develops its direct business.
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