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Sean White teaches solar and storage classes and seminars around the world and inside your home (online). He is known for helping people get NABCEP certified. This podcast contains an assortment of topics, with an emphasis on solar and storage technical knowledge. Up your game! Catch a photon! Save the planet! Learn more and go to www.solarSEAN.com
Episodes

Sunday Jun 01, 2025
Solar Cells Made in the USA with ES Foundry's Alex Zhu
Sunday Jun 01, 2025
Sunday Jun 01, 2025
In this episode, Alex Zhu shares his journey in the solar industry, starting from his time at Suntech to founding ES Foundry, one of the few U.S.-based solar cell manufacturers. We dive into the technical aspects of solar cell production, from silicon wafers to screen printing silver, and discuss the challenges and opportunities of manufacturing solar cells in the United States. Learn about the importance of a stable industry policy, the intricacies of solar technology, and the future of solar manufacturing in America. Tune in to gain insights into the world of solar cells and discover how ES Foundry is empowering the solar industry in the U.S.
Topics discussed:
No wafer manufacturing in the USA
6 9s (99.9999% pure) silicon
Suntech
Suniva
Crystalline Silicon
Chemical etching
Texturing
PN Junction
Phosphorus Diffusion
Oxidation
Silicon Dioxide
Silicon Nitride
Screen Printing Silver
Bifacial solar cells
Aluminum Oxide
Monofacial solar cells
Semiconductor
PERC technology = Passive Emitter Rear Contact
Investment Tax Credit
45x = 4 cents a watt
ES = Empower Solar
SunPower
Reach out Alex Zhu here:
Linkedin: www.linkedin.com/in/alexzhu
ES Foundry Website: www.esfoundrycorp.com
Learn more at www.solarSEAN.com and be sure to get NABCEP certified by taking Sean’s classes at www.heatspring.com/sean
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