Prediction Open AI assessment confidence: 85% certainty 3/5 debate potential 2/5

Paruri: Tandem PV expects to reach 35% to 36% solar efficiency in medium term

Saritha Paruri · The perovskite bet that could transform solar · Jun 3, 2026 · at 1:53

Saritha Paruri discusses Tandem PV's performance roadmap for perovskite-silicon tandem solar panels.

0:00 / 0:07exact quote · 7.8s
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“Our team believes that we'll be at 35, 36% efficiency in the medium term and there's so much more room to grow.”

quote is from the automated transcript, cleaned for reading: filler sounds and stutters are removed, nothing is rephrased. names can be misheard (the analysis reads context, assessments check outside sources). how →

More from Saritha Paruri

Assertion Partly supported
Paruri: Perovskite Solar Requires No Rare Earths and Nothing From China
“There's no rare earths or critical minerals, no kind of Supply chain sensitivities or vulnerabilities, right? Like nothing from the inputs or the tools has to come from China.”
Saritha Paruri Jun 3, 2026 ▶ 4:57 The perovskite bet that could transform solar
Prediction Partly held up
Paruri: All-perovskite tandems could achieve 60% to 70% efficiency
“And over time, you can engineer out the silicon, and you're just doing perovskite on perovskite on perovskite tandems, You can get to 60 or 70% efficiency.”
Saritha Paruri Jun 3, 2026 ▶ 9:02 The perovskite bet that could transform solar
Assertion Not checkable as stated
Paruri: Tandem PV Tested Module Outdoors for 18 Months Without Degradation
“For the last few years, we've been making 10,000 panels a year, testing those in our indoor accelerated labs and also external testing And, you know, we're there on our kind of R&D format where we're able to, you know, we had a module outdoors for 18 months wi…”
Saritha Paruri Jun 3, 2026 ▶ 17:02 The perovskite bet that could transform solar
Disclosure
Paruri: Tandem PV secured 100% equipment financing for demonstration factory
“My understanding is that it's pretty unheard of, but we were able to get a hundred percent equipment financing for this demonstration factory. And so between that and venture debt, we were able to finance this 40 megawatt nameplate factory which is great.”
Saritha Paruri Jun 3, 2026 ▶ 27:40 The perovskite bet that could transform solar
Opinion
Paruri: Most past perovskite solar companies have been a joke
“Every perovskite company I've looked at has just not been compelling, and I think they're kind of a joke.”
Saritha Paruri Jun 3, 2026 ▶ 6:18 The perovskite bet that could transform solar
Assertion Open · timeframe Jun 2029
Paruri: Tandem PV delivers 30% efficiency boost over silicon, 50% over CdTe
“When you think about our technology compared to silicon, it's like a 30% improvement. When you think about it in compared to cad tell, it's a 50% improvement.”
Saritha Paruri Jun 3, 2026 ▶ 14:59 The perovskite bet that could transform solar
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