SunPower finalises the acquisition of Sunder Energy and doubles its sales force

The transaction creates the fifth-largest US residential solar player by installed megawatts, doubles the sales force to 1,734 representatives and targets a record operating profit in the fourth quarter of 2025.

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SunPower has closed the acquisition of Sunder Energy, a specialist in residential solar sales, to quickly strengthen its commercial presence in the United States. According to data from Ohm Analytics, the combined group rises to fifth place nationally by installed megawatts in the residential segment. Management anticipates a return of revenue to levels prior to the Investment Tax Credit (ITC) and then a new record. The company highlights rapid execution and a contained fixed-cost model to support profitability.

Key parameters and commercial ramp-up

The transaction brings in 893 “1099” salespeople (independent contractors), overseen by twenty “W-2” employees (permanent staff) who have already joined SunPower. The combined sales force reaches 1,734 representatives after adding Sunder’s teams. SunPower is adopting Sunder’s software and sales methods to harmonise prospecting, quoting and follow-up processes. T.J. Rodgers said the low-overhead revenue profile should support a record operating profit in the fourth quarter of 2025.

A prior test on sixty-four deals was conducted to stress-test the interface between the two companies’ systems. Feedback from the sales force supported the decision to integrate Sunder’s tools on both sides. Eric Nielsen noted strong interest from market salespeople, with seventy-two invitations issued since the announcement. “I am enthusiastic about the marriage of Sunder and SunPower,” he said.

Integration framework and operational timeline

SunPower is applying a formalised integration set-up led by a team of ten executives. Ten operational workstreams are assigned to eighteen senior managers, paired from both companies, to oversee process alignment. A base of sixty deliverables was established in one week, with a target of around three hundred and ten deliverables within a month to define the full scope. Management is aiming for operational completion of the integration in roughly one quarter.

The combination with Sunder is presented as a lever for market share gains in the residential segment, supported by an expanded sales force and a unified commercial set-up. Priorities focus on opportunity conversion, reducing customer acquisition cost and increasing installation throughput. Teams state that revenue should exceed pre-ITC levels after the ramp-up. “In short, this deal is transformational for SunPower,” Rodgers said.

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