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Debt Financing Energy Efficiency Companies

Explore 40 energy efficiency startups that raised debt financing funding. Access verified founder contact information and fundraising data.

Total Companies
40
Total Funding
$1.6B
Avg Funding
$105.9M
Cities
15

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Brooklyn, United States
$431.0M
raised

NineDot Energy develops battery storage sites and other energy solutions.

Feb 2026
Debt Financing

Founder Contacts

41,000+ verified contacts

Dartmouth, Canada
$616K
raised

Salient Energy produces zinc-ion batteries for applications in the electrical grid.

Feb 2026
Debt Financing

Founder Contacts

41,000+ verified contacts

New York, United States
$15.0M
raised

Nuveen Green Capital offers environmentally friendly commercial real estate financing solutions.

Feb 2025
Debt Financing

Founder Contacts

41,000+ verified contacts

$15.0M
raised

Universal Kraft Canada Renewables provides renewable energy solutions.

Feb 2025
Debt Financing

Founder Contacts

41,000+ verified contacts

Milan, Italy
$6.9M
raised

Chiron Energy is a solar energy company that develops, invests, and manages platforms in the renewable energy sector.

Dec 2024
Debt Financing

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Catania, Italy
$608.0M
raised

3Sun is an energy management company that specializes in designing photovoltaic solutions for large-scale industries and roof application.

Jan 2024
Debt Financing

Founder Contacts

41,000+ verified contacts

Via Di Mezzo Di Sopra, Italy
$128.3M
raised

NextChem develops energy transition solutions for industries through sustainable technology.

Jan 2025
Debt Financing

Founder Contacts

41,000+ verified contacts

Barcelona, Spain
$20.9M
raised

Submer enables next-generation cooling and automation for data and energy-

Dec 2024
Debt Financing

Founder Contacts

41,000+ verified contacts

Denver, United States
$216.0M
raised

Redaptive is an Energy-as-a-Service provider that funds and installs energy-saving and energy-generating equipment.

Dec 2025
Debt Financing

Founder Contacts

41,000+ verified contacts

Alcove, Canada
$600K
raised

Fab Structures is a Canadian firm that specializes in designing and building high-performance, prefabricated mass timber buildings.

Jan 2025
Debt Financing

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Somerville, United States
$531K
raised

Helix Power is a development stage company designing a next generation power management platform using flywheel technology.

Nov 2021
Debt Financing

Founder Contacts

41,000+ verified contacts

Manhattan, United States
$6.5M
raised

Urban Umbrella is the first alternative to the scaffolding industry

Jan 2022
Debt Financing

Founder Contacts

41,000+ verified contacts

São Paulo, Brazil
$45.6M
raised

Acelen specializes in investing in and enhancing efficiency and productivity in the fuels, petrochemicals, and feedstock sectors.

Oct 2024
Debt Financing

Founder Contacts

41,000+ verified contacts

London, United Kingdom
$65.0M
raised

Hometree specializes in residential energy services, assisting homeowners in their transition to low-carbon living.

Oct 2024
Debt Financing

Founder Contacts

41,000+ verified contacts

Newport Beach, United States
$28.0M
raised

Golden State Clean Energy is a leading infrastructure developer that reimagines master-planned development techniques for renewable energy.

Oct 2024
Debt Financing

Founder Contacts

41,000+ verified contacts

Showing 26 to 40 of 40 companies

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40 Energy Efficiency Debt Financing Startups (August 2026) — Page 2 | VCBacked