Perovskite solar company Tandem PV raises US$6m to build Californian manufacturing facility

April 25, 2022
Facebook
Twitter
LinkedIn
Reddit
Email
Tandem PV specialises in ‘ultra-high-efficiency’ tandem metal-halide perovskite solar panels. Image: Tandem PV.

US perovskite company Tandem PV has closed on the first half of a US$12 million Series A raise after raising US$6 million for building a pilot manufacturing facility in its headquarters of San Jose, California.

US-focused Tandem PV will use this investment to manufacture its first commercial grade tandem solar panels intended to equip customers with more efficient and affordable solar energy.

This article requires Premium SubscriptionBasic (FREE) Subscription

Try Premium for just $1

  • Full premium access for the first month at only $1
  • Converts to an annual rate after 30 days unless cancelled
  • Cancel anytime during the trial period

Premium Benefits

  • Expert industry analysis and interviews
  • Digital access to PV Tech Power journal
  • Exclusive event discounts

Or get the full Premium subscription right away

Or continue reading this article for free

The company specialises in ‘ultra-high-efficiency’ tandem metal-halide perovskite solar panels. It changes silicon solar panels into high-efficiency tandems by leveraging perovskite-coated front glass via a drop-in manufacturing replacement.

Tandem PV was co-founded by materials science PhD Colin Bailie, who developed the design during his time at Stanford University, and solar industry stalwart and former CTO of Hanwha Solar Chris Eberspacher.

“We have tremendous market pull from residential solar installers, end users, equipment distributors and utilities – the industry is ready for more sustainable, efficient and cost-effective solar panels,” said co-founder and CEO Bailie.

“Tandem PV is on a fast track to develop, demonstrate and commercialise perovskite and silicon tandem solar panels for homes across the United States and worldwide,” said Eberspacher.

The round was led by Bioeconomy Capital, an early-stage venture capital firm, through its new Planetary Technologies fund, with participation from an international solar manufacturer and a US utility company, Tandem said in a media release.

There have been a number of notable announcements in the perovskite technology space recently, which some see as the future of solar and believe it has the potential to outperform current efficiency ratings.

At the start of this month, battery storage manufacturer NGK Insulators invested in EneCoat Technologies, a Perovskite-focused spin-out of Kyoto University.

In March, researchers at the Polytechnic University of Milan said the chemical process of halogen bonding can help improve the performance of perovskite-based solar cells, enabling them to achieve high levels of efficiency and high stability.

And, in February, researchers in Saudi Arabia reported “the first ever” successful damp-heat test of perovskite solar cells, which they claimed moved the technology closer towards commercial viability after it withstood 1,000 hours of harsh conditions and maintained a 95% efficiency.  

Read Next

December 24, 2025
The PV Review, 2025: A look back over a turbulent year in US solar policy changes, from the 'Big, Beautiful Bill' to tariff challenges.
December 24, 2025
CPV Renewable Power and Harrison Street Asset Management (HSAM) have begun commercial operations at its 160MW solar project located in Garrett County, Maryland. 
December 23, 2025
EBRD and KfW will provide €87 million (US$102.2 million) in debt financing for a 134MWdc solar project in North Macedonia.
December 23, 2025
ArcelorMittal is investing INR81 billion (US$903 million) in three renewable energy projects across three states in India.
December 23, 2025
Saatvik Green Energy, through its subsidiary Saatvik Solar Industries, has secured solar PV module orders worth INR4.8 billion (US$54.2 million).
December 22, 2025
European Energy has secured approval for its 1.1GW Upper Calliope solar project in Queensland near Gladstone, Australia. 

Upcoming Events

Solar Media Events
February 3, 2026
London, UK
Solar Media Events
March 24, 2026
Dallas, Texas
Solar Media Events
April 15, 2026
Milan, Italy
Solar Media Events
June 16, 2026
Napa, USA
Solar Media Events
November 24, 2026
Warsaw, Poland