Startup · United States
Arbor Energy
HQ Los Angeles, United StatesFounded 2022
Arbor is revolutionizing sustainable energy by converting organic waste into clean, reliable electricity while actively removing carbon dioxide from the atmosphere. Founded by former aerospace engineers, Arbor leverages advanced technologies like oxy-combustion and supercritical turbomachinery to create compact, modular power systems capable of generating five megawatts each per year—enough to power 4,000 homes. Their innovative approach not only provides 24/7 clean baseload power but also captures and permanently stores CO₂ underground, effectively reducing legacy emissions.With partnerships involving sustainability leaders such as Microsoft, Arbor is poised to bring gigawatts of clean energy online and remove gigatons of carbon emissions, harmonizing human progress with environmental stewardship.
Funding3 rounds · $55.0M
- Disclosed
- $55.0M
- Latest
- $55.0MSeries A · Oct 21, 2025
| Announced | Stage | Amount | Valuation | Lead investors | Other investors | Confidence |
|---|---|---|---|---|---|---|
| Oct 21, 2025 | Series A | $55.0M | — | Lowercarbon Capital, Voyager Ventures | Cantos, Gigascale Capital, Marathon Petroleum Corporation | Confirmed |
| 2023 | Seed | Undisclosed | — | Lowercarbon Capital | — | Speculative |
| 2022 | Pre-Seed | Undisclosed | — | Cantos, Countdown Capital | — | Speculative |
- $55.0MOct 21, 2025
- Undisclosed2023
- Undisclosed2022
Totals add known amounts using recorded USD conversions where available; other currencies are shown separately. A ~ marks an estimated amount.
Sources6
Profile1
- 1
Black Flag · Supports Organization
“This Los Angeles-based company designs and deploys compact, modular renewable energy systems—most notably a high-efficiency, zero-emission turbine—providing”
Funding4
- 2
Venture Capital News · Oct 21, 2025 · Supports Funding round
“today announced it has raised a $55 million Series A round”
- 3
Arbor Energy · Supports Funding round · amount
“we’ve raised a $55M Series A, co-led by Lowercarbon Capital and Voyager Ventures, with participation from Gigascale Capital, Marathon Petroleum Corporation, Cantos Ventures, and others”
- 4
Crunchbase · Supports Funding round
“Funding Type Pre-Seed”
- 5
Crunchbase · Supports Funding round
“Funding Type Seed”
People1
- 6OtherBlack Flag 100
Black Flag · Supports Organization, Role
“Arbor is revolutionizing sustainable energy by converting organic waste into clean, reliable electricity while actively removing carbon dioxide from the”
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