SunPower starts ramping 200MW of P-Series modules at Oregon facility

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The P Series is a relatively new addition to SunPower’s IBC (Interdigitated back contact) solar cell and module product portfolio and has been rated in the annual ‘Top Performer’ testing by DNV GL for the last two years, indicating the reliability and performance stability of the shingled cell technology. Image: SunPower

US-headquartered high-efficiency solar panel manufacturer SunPower Corp has started ramping production at its first volume manufacturing plant in Oregon, USA.

The former SolarWorld Americas facility has been converted to produce SunPower’s P Series (19% plus) conversion efficiency modules using its patented ‘shingle’ cell interconnect technology boosting performance of P-type monocrystalline PERC (Passivated Emitter Rear Cell) technology. 

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The P Series is a relatively new addition to SunPower’s IBC (Interdigitated back contact) solar cell and module product portfolio and has been rated in the annual ‘Top Performer’ testing by DNV GL for the last two years, indicating the reliability and performance stability of the shingled cell technology.

The former SolarWorld Americas facility has been converted to produce SunPower’s P Series (19% plus) conversion efficiency modules using its patented ‘shingle’ cell interconnect technology boosting performance of P-type monocrystalline PERC (Passivated Emitter Rear Cell) technology. Image: SunPower

“Today we celebrate the revival of American solar panel manufacturing as SunPower's high-quality P19 product starts coming off the line in Oregon,” said Tom Werner, SunPower CEO and chairman of the board. “Now that we're in full production, we look forward to meeting our strong U.S. commercial market demand with these high-performance American-assembled panels.”

The US has undergone a small renaissance in PV module assembly in the last two years, primarily driven by the US Section 201 case, imposing high tariffs on virtually all PV modules from manufacturing centres around the world at the beginning of 2018. 

According to PV Tech’s quarterly capacity expansion announcements report, a total of around 2GW of new module manufacturing plans were announced for the US in 2017, which increased to almost 4GW in 2018. 
‘Solar Module Super League’ (SMSL) members such as JinkoSolar and Hanwha Q Cells are expected to also start ramping module assembly plants in the US in early 2019, accounting for over 2GW of new capacity in the US. 

LG Electronics, which is the key high-efficiency rival to SunPower, is also establishing a 500MW module assembly plant in Alabama to produce its ‘NeON’ 2 series 60-cell N-type mono modules for the US market. 

13 October 2026
San Francisco Bay Area, USA
PV Tech has been running an annual PV CellTech Conference since 2016. PV CellTech USA, on 13-14 October 2026 is our fourth PV CellTech conference dedicated to solar manufacturing in the USA. From polysilicon, wafers, ingots, cells and modules, to critical component suppliers including glass and frames, the event connects every stage of the value chain under one roof. PV CellTech USA also brings together investors, innovators, manufacturers and industry stakeholders to collaborate and strengthen domestic solar manufacturing across the United States.
20 April 2027
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PV Tech has been running PV CellTech Conferences since 2016. PV CellTech Global, on 20-21 April 2027, is the meeting place for everyone invested in the growth of PV manufacturing and advancement in cell technologies, which will drive us towards the installed capacity required to power the planet by 2050. This is a gathering of key stakeholders driving capital expenditure and technologies for new PV manufacturing plants across the globe to harness the opportunities the growth of PV represents out to 2050 and beyond. The conference takes place in one conference room, where all senior peers have the same shared experience of learning and unique insight, unmatched anywhere else in the solar industry events calendar.

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