Tandem PV

Tandem PV is a U.S.-based company focused on developing and commercializing perovskite solar technology. Founded in 2016 and headquartered in Silicon Valley, with offices in Palo Alto and San Jose, the company aims to accelerate the transition to a net-zero economy by creating high-efficiency solar panels. Tandem PV specializes in mechanically-stacked perovskite+silicon tandem solar panels, which enhance efficiency and power output while maintaining a similar cost per watt to traditional solar panels. These products are primarily designed for utility-scale projects, providing more power at comparable prices, which helps reduce overall costs for customers. The company is committed to addressing challenges in perovskite technology and leverages its experience and patented innovations to improve durability. With significant funding and partnerships, including collaborations with academic institutions, Tandem PV is well-positioned to contribute to the renewable energy sector and support sustainability efforts.

Renewables & Environment San Jose, United States Founded 2016 ~27 employees Private · Series A

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Employees
27
+8% in the 3 months to Apr 2025
Revenue / employee
$200K
Revenue ~$5.4M
Total funding
$66.7M
Last round Series A, Mar 2025
12-month attrition
24.9%
Tech: 40.4%
H1B sponsor
NA
Open jobs
2
Last 30 days

Headcount trend

Tandem PV went from 17 employees in May 2023 to 27 in Apr 2025. Nov 2024 to Apr 2025: 4 people joined, 1 left.

Headcount data through Apr 2025

Org structure

Headcount by department

Engineering10
Other9
Operations6
Finance1
Sales1

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Funding

  • Mar 2025 · Series A · $50M · Eclipse, Constellation Energy, Planetary Technologies
  • Jun 2024 · $4.7M · U.S. Department of Energy
  • Jan 2024 · Venture · $6M · Planetary Technologies, Uncorrelated Ventures
  • Apr 2022 · Series A · $6M · Bioeconomy Capital

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Tandem PV FAQ

How many employees does Tandem PV have?

Tandem PV has about 27 employees, up 8% over the 3 months to Apr 2025.

What is Tandem PV's revenue per employee?

Tandem PV makes about $200K in revenue per employee, based on $5.4M annual revenue and 27 employees.

How much funding has Tandem PV raised?

Tandem PV has raised $66.7M in total funding; its latest round was Series A in Mar 2025.

Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.