Deals Counterparts

Ambient Photonics Raises $175 Million Series B to Scale Low-Light Energy Harvesting Technology

Investment Renewable Energy announced United States Jun 26, 2025
USD31M
Deal Value
development
Stage

Ambient Photonics, a developer of low-light energy harvesting technology, raised $175 million in a Series B funding round. The round included investments from L&G Capital, Fine Structure Ventures, IKEA Investment AB, Amazon Climate Pledge Fund, Tony Fadell's Build Collective, and General Catalyst. The funding will be used to scale production.

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Counterparts (7)

Investor
L&G Capital
company
L&G Capital focuses on direct investments in real assets, infrastructure, and private credit. They aim to generate long-term, stable returns by investing in projects that contribute to economic growth and societal well-being.
General Catalyst
company · 3 deals
General Catalyst is an investment and transformation company that partners with leading entrepreneurs to build toward global resiliency and applied AI. They focus on creating personalized founder and capital solutions strategically tailored to support entrepreneurs across various stages.
Amazon
company · 5 deals
Amazon is actively investing in renewable energy to power its operations, both through direct acquisitions and power purchase agreements. They are expanding their portfolio with solar-plus-storage and nuclear energy in the US. Furthermore, Amazon is collaborating with energy companies and acting as an offtaker for renewable energy projects in Europe, including wind power in Poland and broader renewable energy initiatives in France.
Tony Fadell's Build Collective
company
Build Collective is an investment firm focused on building and scaling companies that address climate change. They invest in hard tech and infrastructure.
IKEA Investment AB
company
IKEA Investment AB, part of Ingka Group, invests in renewable energy projects, sustainable forestry, and companies that support the IKEA vision. Their focus is on creating a positive impact on people and the planet while ensuring a long-term return on investment.
Fine Structure Ventures
company
Fine Structure Ventures is a venture capital firm that invests in early-stage companies. They focus on hard science and engineering, including areas relevant to infrastructure such as energy, materials, and manufacturing.

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Source Intelligence

KEY DETAILS

The company also recently announced it had progressed to Part II of a USD 162m DOE loan guarantee. Ambient's technology was originally developed at the Warner Babcock Institute for Green Chemistry and funded since inception by Cthulhu Ventures.

Deal Size
The Northern California company plans to use proceeds of its recent USD 31m Series A, along with a soon-to-be-announced debt component, to build out its first factory.
Location
The Northern California company plans to use proceeds of its recent USD 31m Series A, along with a soon-to-be-announced debt component, to build out its first factory.
Announcement
24th August 2022
COD
with the objective of selling out the capacity before the factory opens in Q1 2023
PARTIES MENTIONED IN SOURCE
U
Universal Electronics Inc. partner

"One of its partners, Universal Electronics Inc.  (NASDAQ:UEIC), recently announced that its voice activated remote control system will be powered with this type of system."

A
Amazon's Climate Pledge Fund investor

"Investors in the Series A include Amazon's Climate Pledge Fund"

E
Ecosystem Integrity Fund investor

"Ecosystem Integrity Fund  (EIF)"

T
Tony Fadell’s Future Shape investor

"Tony Fadell’s Future Shape"

I
I Squared Capital investor

"I Squared Capital"

medium quality Enriched Feb 19, 2026

Timeline

Announced
Jun 26, 2025
Signed
Closed

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