SunPower Corp (SunPower) is a solar energy company that designs, manufactures and delivers solar panels and systems. It carries out installation, construction, maintenance and monitoring services; and provides financing and integrated Smart Energy software solutions. The company also provides services to homeowners to transfer to solar power for their primary energy needs and provides design services.

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R&D efforts focus on the improvement of solar cell efficiency through the enhancement of its existing products, development of new techniques, and reductions in manufacturing cost and complexity. It also helps R&D collaboration agreements to identify, plan and manage the technology. SunPower also has an R&D agreement with an independent third party. As per the agreement, the company conducts research operations in its defunct Oregon solar cell manufacturing facility. In FY2022, it spent US$24.7 million on R&D, which accounted for 1% of the company's total revenue. As of January 2022, the company held 238 patents and 54 pending patent applications in the US. The company also held 202 patents and had 33 patent applications pending in other countries.