ES Foundry
@esfoundry.bsky.social
ES Foundry is revolutionizing the U.S. solar industry by onshoring the production of high-quality crystalline PV solar cells. Based in Greenwood, South Carolina, the company delivers reliable, efficient and cost-competitive solar cells.
U.S. solar needs domestic content now. ES Foundry is delivering FEOC-compliant PERC cells today — and scaling to 2 GW in 2026.
“Our role is to manufacture, not wait.” — AlexZhu
🔗 www.esfoundrycorp.com/es-foundry-c...
#ESFoundry #DomesticContent #IRA #MadeInUSA
“Our role is to manufacture, not wait.” — AlexZhu
🔗 www.esfoundrycorp.com/es-foundry-c...
#ESFoundry #DomesticContent #IRA #MadeInUSA
December 3, 2025 at 3:54 PM
U.S. solar needs domestic content now. ES Foundry is delivering FEOC-compliant PERC cells today — and scaling to 2 GW in 2026.
“Our role is to manufacture, not wait.” — AlexZhu
🔗 www.esfoundrycorp.com/es-foundry-c...
#ESFoundry #DomesticContent #IRA #MadeInUSA
“Our role is to manufacture, not wait.” — AlexZhu
🔗 www.esfoundrycorp.com/es-foundry-c...
#ESFoundry #DomesticContent #IRA #MadeInUSA
Last week, our teams gathered across shifts to enjoy Thanksgiving meals together, with members of leadership stepping in to serve as a small way to show appreciation. As we head into the holiday season, it was a simple, meaningful reminder of the strong, supportive community we’re building—together.
December 2, 2025 at 4:29 PM
Last week, our teams gathered across shifts to enjoy Thanksgiving meals together, with members of leadership stepping in to serve as a small way to show appreciation. As we head into the holiday season, it was a simple, meaningful reminder of the strong, supportive community we’re building—together.
Happy Thanksgiving from ES Foundry! Grateful for our team, our customers, our partners and our community — and for all the work we get to do together.
#HappyThankgiving
#HappyThankgiving
November 27, 2025 at 2:02 PM
Happy Thanksgiving from ES Foundry! Grateful for our team, our customers, our partners and our community — and for all the work we get to do together.
#HappyThankgiving
#HappyThankgiving
ICYMI: Meet Lizbeth Mariscal — one of our incredible manufacturing team leads at ES Foundry.
She’s grown her career here through mentorship and hard work, and off the line she’s an artist and runs a multicultural food truck.
#ElevatingOurTeam #ESFoundry #SolarManufacturing
She’s grown her career here through mentorship and hard work, and off the line she’s an artist and runs a multicultural food truck.
#ElevatingOurTeam #ESFoundry #SolarManufacturing
November 26, 2025 at 3:54 PM
ICYMI: Meet Lizbeth Mariscal — one of our incredible manufacturing team leads at ES Foundry.
She’s grown her career here through mentorship and hard work, and off the line she’s an artist and runs a multicultural food truck.
#ElevatingOurTeam #ESFoundry #SolarManufacturing
She’s grown her career here through mentorship and hard work, and off the line she’s an artist and runs a multicultural food truck.
#ElevatingOurTeam #ESFoundry #SolarManufacturing
The U.S. solar supply chain is officially "fully reshored," per a @solarindustry.bsky.social report. We're proud to be a part of this growth. More in UtilityDive:
US has onshored full solar supply chain: SEIA
With Corning’s Michigan silicon ingot and wafer factory online, the U.S. can now produce all major components.
www.utilitydive.com
November 25, 2025 at 8:36 PM
The U.S. solar supply chain is officially "fully reshored," per a @solarindustry.bsky.social report. We're proud to be a part of this growth. More in UtilityDive:
Heading to RE+ Midwest in Schaumburg Dec 3-4? Connect with ES Foundry VP of Sales Ken Johnston at Booth 510. Our South Carolina–made, FEOC-compliant solar cells give developers & asset owners the domestic content edge. Email sales.team@esfoundrycorp.com
#ESFoundry #REPlusMidwest
#ESFoundry #REPlusMidwest
November 24, 2025 at 4:00 PM
Heading to RE+ Midwest in Schaumburg Dec 3-4? Connect with ES Foundry VP of Sales Ken Johnston at Booth 510. Our South Carolina–made, FEOC-compliant solar cells give developers & asset owners the domestic content edge. Email sales.team@esfoundrycorp.com
#ESFoundry #REPlusMidwest
#ESFoundry #REPlusMidwest
Heading to RE+ Midwest in Schaumburg Dec 3-4? Connect with ES Foundry VP of Sales Ken Johnston at Booth 510. Our South Carolina–made, FEOC-compliant solar cells give developers & asset owners the domestic content edge. Email sales.team@esfoundrycorp.com
#ESFoundry #REPlusMidwest
#ESFoundry #REPlusMidwest
November 24, 2025 at 3:54 PM
Heading to RE+ Midwest in Schaumburg Dec 3-4? Connect with ES Foundry VP of Sales Ken Johnston at Booth 510. Our South Carolina–made, FEOC-compliant solar cells give developers & asset owners the domestic content edge. Email sales.team@esfoundrycorp.com
#ESFoundry #REPlusMidwest
#ESFoundry #REPlusMidwest
Is your 10% tax credit at risk? ⚠️
FEOC ambiguity = financial liability.
ES Foundry delivers bankable certainty:
✅ 100% U.S-made cells
✅ Zero FEOC ownership, debt or IP
✅ Secured non-FEOC wafer supply
Contact us: Sales@ESFoundryCorp.com
#DomesticContent #EnergySecurity #MadeInUSA
FEOC ambiguity = financial liability.
ES Foundry delivers bankable certainty:
✅ 100% U.S-made cells
✅ Zero FEOC ownership, debt or IP
✅ Secured non-FEOC wafer supply
Contact us: Sales@ESFoundryCorp.com
#DomesticContent #EnergySecurity #MadeInUSA
November 19, 2025 at 3:54 PM
Is your 10% tax credit at risk? ⚠️
FEOC ambiguity = financial liability.
ES Foundry delivers bankable certainty:
✅ 100% U.S-made cells
✅ Zero FEOC ownership, debt or IP
✅ Secured non-FEOC wafer supply
Contact us: Sales@ESFoundryCorp.com
#DomesticContent #EnergySecurity #MadeInUSA
FEOC ambiguity = financial liability.
ES Foundry delivers bankable certainty:
✅ 100% U.S-made cells
✅ Zero FEOC ownership, debt or IP
✅ Secured non-FEOC wafer supply
Contact us: Sales@ESFoundryCorp.com
#DomesticContent #EnergySecurity #MadeInUSA
Great conversation at the Emerald City Rotary Club in Greenwood, SC, where ES Foundry’s Lionel Moss shared how U.S.-made, FEOC-compliant solar cells are powering America’s clean energy future. Thanks to the Rotary for the warm welcome! ☀️ #ESFoundry #SolarMadeInUSA
November 18, 2025 at 3:54 PM
Great conversation at the Emerald City Rotary Club in Greenwood, SC, where ES Foundry’s Lionel Moss shared how U.S.-made, FEOC-compliant solar cells are powering America’s clean energy future. Thanks to the Rotary for the warm welcome! ☀️ #ESFoundry #SolarMadeInUSA
✨ Elevating Our Team ✨
Meet Jamie Taylor, ES Foundry’s lead for testing and final goods — ensuring every solar cell meets top standards.
Jamie values the chance to grow his career and collaborate toward shared goals, while giving back through Oaks Recovery and his church.
Meet Jamie Taylor, ES Foundry’s lead for testing and final goods — ensuring every solar cell meets top standards.
Jamie values the chance to grow his career and collaborate toward shared goals, while giving back through Oaks Recovery and his church.
November 13, 2025 at 3:54 PM
✨ Elevating Our Team ✨
Meet Jamie Taylor, ES Foundry’s lead for testing and final goods — ensuring every solar cell meets top standards.
Jamie values the chance to grow his career and collaborate toward shared goals, while giving back through Oaks Recovery and his church.
Meet Jamie Taylor, ES Foundry’s lead for testing and final goods — ensuring every solar cell meets top standards.
Jamie values the chance to grow his career and collaborate toward shared goals, while giving back through Oaks Recovery and his church.
Heading to Intersolar Texas? Meet ES Foundry’s Chris Crear Nov 18–19 in Grapevine.
ES Foundry makes FEOC-compliant, U.S.-made solar cells built for performance and domestic-content qualification.
Connect with Chris to keep your projects moving — and compliant.
#SolarCells #DomesticContent #FEOC
ES Foundry makes FEOC-compliant, U.S.-made solar cells built for performance and domestic-content qualification.
Connect with Chris to keep your projects moving — and compliant.
#SolarCells #DomesticContent #FEOC
November 12, 2025 at 8:54 PM
Heading to Intersolar Texas? Meet ES Foundry’s Chris Crear Nov 18–19 in Grapevine.
ES Foundry makes FEOC-compliant, U.S.-made solar cells built for performance and domestic-content qualification.
Connect with Chris to keep your projects moving — and compliant.
#SolarCells #DomesticContent #FEOC
ES Foundry makes FEOC-compliant, U.S.-made solar cells built for performance and domestic-content qualification.
Connect with Chris to keep your projects moving — and compliant.
#SolarCells #DomesticContent #FEOC
Today we honor the service and sacrifice of America’s veterans. Thank you for your courage and dedication.
#VeteransDay #ThankYouVeterans #ESFoundry
#VeteransDay #ThankYouVeterans #ESFoundry
November 11, 2025 at 2:46 PM
Today we honor the service and sacrifice of America’s veterans. Thank you for your courage and dedication.
#VeteransDay #ThankYouVeterans #ESFoundry
#VeteransDay #ThankYouVeterans #ESFoundry
Great analysis from @pvtech on U.S. solar manufacturing, highlighting our strategic choice to produce proven, reliable PERC cells to meet domestic demand now.
We're focused on delivering bankable technology. Partner with us: Sales@ESFoundryCorp.com
www.pv-tech.org/us-solar-man...
#Solar #PERC
We're focused on delivering bankable technology. Partner with us: Sales@ESFoundryCorp.com
www.pv-tech.org/us-solar-man...
#Solar #PERC
US solar manufacturing under the microscope at PV CellTech 2025
The US solar manufacturing industry is surprisingly bullish, despite the policy challenges of recent months.
www.pv-tech.org
November 7, 2025 at 3:54 PM
Great analysis from @pvtech on U.S. solar manufacturing, highlighting our strategic choice to produce proven, reliable PERC cells to meet domestic demand now.
We're focused on delivering bankable technology. Partner with us: Sales@ESFoundryCorp.com
www.pv-tech.org/us-solar-man...
#Solar #PERC
We're focused on delivering bankable technology. Partner with us: Sales@ESFoundryCorp.com
www.pv-tech.org/us-solar-man...
#Solar #PERC
ICYMI: In an earlier blog, we unpack what new domestic-content and FEOC rules mean for project value, credit eligibility and supply chain security.
Read more: esfoundrycorp.com/beyond-compl...
#SolarManufacturing #FEOC #DomesticContent #ESFoundry
Read more: esfoundrycorp.com/beyond-compl...
#SolarManufacturing #FEOC #DomesticContent #ESFoundry
November 5, 2025 at 2:22 PM
ICYMI: In an earlier blog, we unpack what new domestic-content and FEOC rules mean for project value, credit eligibility and supply chain security.
Read more: esfoundrycorp.com/beyond-compl...
#SolarManufacturing #FEOC #DomesticContent #ESFoundry
Read more: esfoundrycorp.com/beyond-compl...
#SolarManufacturing #FEOC #DomesticContent #ESFoundry
Insurers have become the new checkpoint in U.S. solar finance. As FEOC and OBBBA rules tighten, underwriters want proof — of sourcing, compliance and risk. Compliance now equals confidence.
Read more: esfoundrycorp.com/when-risk-ge...
#SolarInsurance #OBBBA #FEOC
Read more: esfoundrycorp.com/when-risk-ge...
#SolarInsurance #OBBBA #FEOC
October 30, 2025 at 1:26 PM
Insurers have become the new checkpoint in U.S. solar finance. As FEOC and OBBBA rules tighten, underwriters want proof — of sourcing, compliance and risk. Compliance now equals confidence.
Read more: esfoundrycorp.com/when-risk-ge...
#SolarInsurance #OBBBA #FEOC
Read more: esfoundrycorp.com/when-risk-ge...
#SolarInsurance #OBBBA #FEOC
📉 Supply is tight
📈 FEOC scrutiny is growing
Smart developers are locking in 2026 cell supply now.
ES Foundry = 100% U.S.-made, 0% FEOC exposure.
🔗 Sales@ESFoundryCorp.com
#Solar #FEOC #DomesticContent #CleanEnergy #EnergySecurity
📈 FEOC scrutiny is growing
Smart developers are locking in 2026 cell supply now.
ES Foundry = 100% U.S.-made, 0% FEOC exposure.
🔗 Sales@ESFoundryCorp.com
#Solar #FEOC #DomesticContent #CleanEnergy #EnergySecurity
October 29, 2025 at 6:54 PM
📉 Supply is tight
📈 FEOC scrutiny is growing
Smart developers are locking in 2026 cell supply now.
ES Foundry = 100% U.S.-made, 0% FEOC exposure.
🔗 Sales@ESFoundryCorp.com
#Solar #FEOC #DomesticContent #CleanEnergy #EnergySecurity
📈 FEOC scrutiny is growing
Smart developers are locking in 2026 cell supply now.
ES Foundry = 100% U.S.-made, 0% FEOC exposure.
🔗 Sales@ESFoundryCorp.com
#Solar #FEOC #DomesticContent #CleanEnergy #EnergySecurity
ICYMI: Meet Meana Lothridge, a leader on our manufacturing floor! When we asked Meana what she’s passionate about in her work, she shared, "I have the chance to teach the younger generation a new set of skills that are vital to the future of American energy.”
Thank you, Meana!
Thank you, Meana!
October 23, 2025 at 2:54 PM
ICYMI: Meet Meana Lothridge, a leader on our manufacturing floor! When we asked Meana what she’s passionate about in her work, she shared, "I have the chance to teach the younger generation a new set of skills that are vital to the future of American energy.”
Thank you, Meana!
Thank you, Meana!
We don’t just meet FEOC rules — we exceed them.
🇺🇸 U.S. manufacturing
🧾 Clean Certificates of Origin
📦 2026 non-FEOC materials secured
Let’s protect your tax strategy — contact us now: Sales@ESFoundryCorp.com
#Solar #FEOC #DomesticContent #CleanEnergy #EnergySecurity
🇺🇸 U.S. manufacturing
🧾 Clean Certificates of Origin
📦 2026 non-FEOC materials secured
Let’s protect your tax strategy — contact us now: Sales@ESFoundryCorp.com
#Solar #FEOC #DomesticContent #CleanEnergy #EnergySecurity
October 22, 2025 at 2:54 PM
We don’t just meet FEOC rules — we exceed them.
🇺🇸 U.S. manufacturing
🧾 Clean Certificates of Origin
📦 2026 non-FEOC materials secured
Let’s protect your tax strategy — contact us now: Sales@ESFoundryCorp.com
#Solar #FEOC #DomesticContent #CleanEnergy #EnergySecurity
🇺🇸 U.S. manufacturing
🧾 Clean Certificates of Origin
📦 2026 non-FEOC materials secured
Let’s protect your tax strategy — contact us now: Sales@ESFoundryCorp.com
#Solar #FEOC #DomesticContent #CleanEnergy #EnergySecurity
FEOC restrictions & domestic-content rules aren’t optional anymore — they’re essential to keeping tax-credit benefits intact. Read our latest blog: esfoundrycorp.com/beyond-compl...
At ES Foundry, we’re proud to be 100% FEOC-compliant, helping partners build U.S.-based solar supply chains.
At ES Foundry, we’re proud to be 100% FEOC-compliant, helping partners build U.S.-based solar supply chains.
October 17, 2025 at 2:54 PM
FEOC restrictions & domestic-content rules aren’t optional anymore — they’re essential to keeping tax-credit benefits intact. Read our latest blog: esfoundrycorp.com/beyond-compl...
At ES Foundry, we’re proud to be 100% FEOC-compliant, helping partners build U.S.-based solar supply chains.
At ES Foundry, we’re proud to be 100% FEOC-compliant, helping partners build U.S.-based solar supply chains.
ES Foundry is heading to NYC! Chris Crear and Kevin Tripp will be at Solar & Storage Finance USA 2025 connecting with investors & developers shaping clean energy finance. Let’s talk about how our #FEOC-compliant U.S. solar cells can help you. Sales.Team@ESFoundryCorp.com
October 16, 2025 at 2:54 PM
ES Foundry is heading to NYC! Chris Crear and Kevin Tripp will be at Solar & Storage Finance USA 2025 connecting with investors & developers shaping clean energy finance. Let’s talk about how our #FEOC-compliant U.S. solar cells can help you. Sales.Team@ESFoundryCorp.com
The U.S. solar industry is racing to meet domestic-content goals — but not every tech path will get us there. In SolarPowerWorld, our VP of Technology shares why scalable, proven approaches are key to building a resilient U.S. supply chain. Read more:
Op-ed: The US can't bank on TOPCon to meet domestic content demand
Tunnel oxide passivated contact (TOPCon) solar cells are often highlighted as the industry’s next step forward. With incremental efficiency gains and
www.solarpowerworldonline.com
October 15, 2025 at 4:36 PM
The U.S. solar industry is racing to meet domestic-content goals — but not every tech path will get us there. In SolarPowerWorld, our VP of Technology shares why scalable, proven approaches are key to building a resilient U.S. supply chain. Read more:
We don’t just meet FEOC rules — we exceed them.
🇺🇸 U.S. manufacturing
🧾 Clean Certificates of Origin
📦 2026 non-FEOC materials secured
Let’s protect your tax strategy — contact us now: Sales.Team@ESFoundryCorp.com
#Solar #FEOC #DomesticContent #CleanEnergy #EnergySecurity
🇺🇸 U.S. manufacturing
🧾 Clean Certificates of Origin
📦 2026 non-FEOC materials secured
Let’s protect your tax strategy — contact us now: Sales.Team@ESFoundryCorp.com
#Solar #FEOC #DomesticContent #CleanEnergy #EnergySecurity
October 14, 2025 at 2:54 PM
We don’t just meet FEOC rules — we exceed them.
🇺🇸 U.S. manufacturing
🧾 Clean Certificates of Origin
📦 2026 non-FEOC materials secured
Let’s protect your tax strategy — contact us now: Sales.Team@ESFoundryCorp.com
#Solar #FEOC #DomesticContent #CleanEnergy #EnergySecurity
🇺🇸 U.S. manufacturing
🧾 Clean Certificates of Origin
📦 2026 non-FEOC materials secured
Let’s protect your tax strategy — contact us now: Sales.Team@ESFoundryCorp.com
#Solar #FEOC #DomesticContent #CleanEnergy #EnergySecurity
If your 2026 projects don’t have FEOC-compliant cells, you could miss out on 10% in tax credits. ES Foundry is fully aligned with evolving federal guidance — no foreign ties, no surprises.
Secure your supply now: Sales.Team@ESFoundryCorp.com
#Solar #FEOC #DomesticContent
Secure your supply now: Sales.Team@ESFoundryCorp.com
#Solar #FEOC #DomesticContent
October 9, 2025 at 2:54 PM
If your 2026 projects don’t have FEOC-compliant cells, you could miss out on 10% in tax credits. ES Foundry is fully aligned with evolving federal guidance — no foreign ties, no surprises.
Secure your supply now: Sales.Team@ESFoundryCorp.com
#Solar #FEOC #DomesticContent
Secure your supply now: Sales.Team@ESFoundryCorp.com
#Solar #FEOC #DomesticContent
Elevating Our Team✨Join us in celebrating Lizbeth Mariscal, one of our manufacturing team leads!
From new hire to team lead in just a few months, Lizbeth has embraced every opportunity since starting her journey with us. Congratulations on your well-deserved success, Lizbeth!
From new hire to team lead in just a few months, Lizbeth has embraced every opportunity since starting her journey with us. Congratulations on your well-deserved success, Lizbeth!
October 8, 2025 at 7:36 PM
Elevating Our Team✨Join us in celebrating Lizbeth Mariscal, one of our manufacturing team leads!
From new hire to team lead in just a few months, Lizbeth has embraced every opportunity since starting her journey with us. Congratulations on your well-deserved success, Lizbeth!
From new hire to team lead in just a few months, Lizbeth has embraced every opportunity since starting her journey with us. Congratulations on your well-deserved success, Lizbeth!