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Arbor Energy raises $55 million Series A co-led by Lowercarbon Capital and Voyager Ventures to scale its zero-emission turbines for clean power.

PRIVATEOct 21, 2025

Amount Raised

$55 Million

Round Type

Series A

Los AngelesEnergyRenewable EnergyRenewables & Environment

Investors

Gigascale CapitalMarathon Petroleum CorporationLowercarbon CapitalVoyager Ventures

Description

Arbor Energy has announced a $55 million Series A funding round to accelerate the deployment of its novel zero-emission turbines. Co-led by Lowercarbon Capital and Voyager Ventures, along with participation from Gigascale Capital and Marathon Petroleum Corporation, the funding will support Arbor’s technology pilot and development of its commercial product. The company aims to deliver scalable, carbon-neutral energy globally, addressing the increasing electricity demand driven by AI and decarbonization.

Quick answer

Arbor Energy raised $55 Million in a Series A round, dated October 21, 2025. Investors: Gigascale Capital, Marathon Petroleum Corporation, Lowercarbon Capital and Voyager Ventures. Arbor Energy is based in Los Angeles, California, United States.

How much did Arbor Energy raise?
Arbor Energy raised $55 Million in a Series A round on October 21, 2025.
Who invested in Arbor Energy?
Gigascale Capital, Marathon Petroleum Corporation, Lowercarbon Capital and Voyager Ventures are named as investors in this round.
What does Arbor Energy do?
Arbor Energy builds clean, baseload power systems for the world’s most energy-intensive industries.
Where is Arbor Energy based and how big is it?
Arbor Energy is based in Los Angeles, California, United States. Fundz records about 57 employees.
Who are the decision-makers at Arbor Energy?
Fundz holds 1 contact at Arbor Energy. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

Who else raised in Energy and Renewable Energy around the same time

Companies in the same sectors as Arbor Energy that raised within 45 days of this round, from Fundz verified event records.

  • Beyond Renewables raised an undisclosed amount (Pre-Seed) on October 31, 2025.
  • MarkeDroid raised $348K (Funding Round) on October 23, 2025.
  • Delta Green raised $2.3M (Funding Round) on October 15, 2025.
  • GEVI raised $3.1M (Seed) on October 14, 2025.
  • New Energy Opportunities raised $22M (Convertible Note) on October 9, 2025.
  • Hysun raised $3.5M (Seed) on October 3, 2025.

Who to call at Arbor Energy, and when

A new round usually means Arbor Energy is about to hire and buy. The teams that reach out first get the meeting.

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Company Information

Company

Arbor Energy

Location

Los Angeles, California, United States

About

Arbor Energy builds clean, baseload power systems for the world’s most energy-intensive industries. The company’s HALCYON turbine leverages advancements in oxy-combustion and sCO2 technology to deliver scalable, fuel-flexible baseload power with zero operating emissions.

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Funding Insights

What this usually means
Typical timeline to Series B
Series A companies typically raise their next round in 10-18 months

Arbor Energy raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

145 of these a day, filtered to the companies you pick, with the decision-maker attached.

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Fundz is a real-time business intelligence platform powered by agentic AI that proactively delivers personalized daily signals, including funding rounds, executive changes, M&A activity, 13F institutional filings, SEC 8-K events, investor activity, and website modifications, based on each user's watchlist and ICP. A trusted data source at firms such as BlackRock, Oracle, Kleiner Perkins, LinkedIn, HubSpot, and Cloudflare, Fundz democratizes the institutional-grade intelligence that previously required a PitchBook or Bloomberg terminal. Features include Daily Briefing for AI-powered daily briefings, and unified cross-signal alerts across 281,000+ organizations. Developers and data teams can access these signals programmatically via the Fundz Funding Data API, with transparent published pricing.