United States · Venture startup

Who invested in Lumen Energy

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.

Cleantech

Raised 7 months ago

Funding summaryUpdated 26 Oct 2026

$3.0Mraised across 2 rounds since 2025, from 2 sources

$2.3MVenture$700KVenture
Latest round
Venture, $700KApr 2026
Biggest round
$2.3MVenture · Aug 2025
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
$2.3MVenture$700KVenture
First round
Venture, $2.3M
Aug 2025
Biggest round
$2.3M
Venture · Aug 2025
Between rounds
8 months
from the last two

The rounds

  1. Apr 2026
    Venture$700K3 returning

    Source recordedSEC filing: $700K sold

  2. Aug 2025
    Venture$2.3M3 new

    Source recordedSEC filing: $2.3M sold, first sale May 2025

Founders and team

From Lumen Energy's own website: 17 on the team.

  • Peter Light[ceo]
  • Heather Stephenson[Chief Marketing Officer]
  • Bart Frischknecht[Head of Sales Operations]
  • Charlotte Schmidlapp[Head of Finance]
  • Kerri Devine[Head of Engineering]
  • Michael Sanduski[VP, Business Development]
  • Yaniv Sapir[Head of Marketplace Operations]
  • Aditya Induri[SDR Intern]
  • Christian Campisi[Director, Sales & Business Development]
  • Giuseppe Battistella[Software Engineer]
  • Gregory Berke[Director, Business Development]
  • Herbert Lee[Software Engineer]
  • James Fingal[Principal Software Engineer]
  • Jared Friesen[Director, Solar Project Engineering]
  • Justin Klein[Growth Partnerships Manager]
  • Katya Mizin[Go-To-Market Lead]
  • Madeline McNamara[Business Development & Operations Lead]

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.

Everyone who backed them

Lowercarbon CapitalVC firm2rounds
Third DerivativeAccelerator2rounds
Designer FundVC firm2rounds

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

Quick answers about Lumen Energy

Who invested in Lumen Energy?

Lumen Energy's investors include Lowercarbon Capital, Third Derivative and Designer Fund.

How much has Lumen Energy raised?

Lumen Energy has raised $3.0M across 2 rounds since 2025.

When did Lumen Energy last raise?

Lumen Energy's most recent round was a Venture of $700K in Apr 2026.

What was Lumen Energy's biggest round?

Lumen Energy's largest round on record is $2.3M (Venture), in Aug 2025.

Who backed Lumen Energy first?

Lumen Energy's first round on record, in Aug 2025, was backed by Lowercarbon Capital, Third Derivative and Designer Fund.

What stage is Lumen Energy at?

Lumen Energy's latest named round is a Venture, in Apr 2026.

Where is Lumen Energy based?

Lumen Energy is based in the United States.

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