United States · Funded startup

Who invested in Tandem PV

2 rounds we have observed, with the 3 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Energy

Raised 3 months ago

Funding summaryUpdated 26 Oct 2026

$12Mraised across 2 rounds since 2025, from 2 sources

$4.0MGrant$7.7MGrant
Latest round
Grant, $7.7MAug 2026
Step-upi
1.9×
Investors
3
See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2026
$4.0MGrant$7.7MGrant
First round
Grant, $4.0M
Jul 2025
Biggest round
$7.7M
Grant · Aug 2026
Between rounds
13 months
from the last two

The rounds

  1. Aug 2026
    Grant$7.7M1 new2 returning

    Source recorded

  2. Jul 2025
    Grant$4.0M2 new

    Source recorded

Founders and team

From Tandem PV's own website and the SEC filings it signed: 2 founders, 5 on the team.

Colin BailieFounder & CTONamed on its 2022 Form D
Chris EberspacherCo-FounderNamed on its 2022 Form D
  • Robert MeagleyVice President of Quality
  • Saritha PeruriVice President of Commercialization
  • Scott WhartonCEO
  • Jean-Claude CalegariChief Financial Officer
  • Clemens HofbauerVP of Manufacturing

On the board, as filediRik Wehbring

Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

Grant2025Grant2026National Science FoundationUS Department of EnergyEclipse

Everyone who backed them

National Science FoundationGovernment2rounds
US Department of EnergyGovernment2rounds
EclipseVC firm1round

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

These 6 firms list Tandem PV as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

Band of AngelsAngel networkPer its own site
Constellation EnergyVC firmPer its own site
Beyond Earth VenturesVC firmPer its own site
Beyond Earth LLCInvestorPer its own site
Planetary TechnologiesCompanyPer its own site
Wealthing VC ClubVC firmPer its own site

Quick answers about Tandem PV

Who invested in Tandem PV?

Tandem PV's investors include National Science Foundation, US Department of Energy and Eclipse.

How much has Tandem PV raised?

Tandem PV has raised $12M across 2 rounds since 2025.

When did Tandem PV last raise?

Tandem PV's most recent round was a Grant of $7.7M in Aug 2026.

What was Tandem PV's biggest round?

Its most recent round, $7.7M in Aug 2026, is also its largest on record.

Who backed Tandem PV first?

Tandem PV's first round on record, in Jul 2025, was backed by National Science Foundation and US Department of Energy.

What stage is Tandem PV at?

Tandem PV's latest named round is a Grant, in Aug 2026.

Where is Tandem PV based?

Tandem PV is based in the United States.

Companies like Tandem PV

In the same sector, and raised in the last eighteen months.

Amogy$125M · Oct 2026LanzaJet$67M · Oct 2026Pivot Energy$500M · Oct 2026Peak Energy$163M · Oct 2026Pennsylvania American Water$43M · Oct 2026Vertical Semiconductor$84M · Oct 2026

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