Startup · United States
Arbor Energy
HQ El Segundo, CAFounded 202251-200 employees
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.
- Mar 25, 2026CompanyArbor EnergyArbor signs agreement with GridMarket to supply 5 GW of baseload power for infrastructure projects
- Oct 21, 2025CompanyArbor EnergyArbor Energy raises $55M Series A to scale clean baseload power
- Jul 8, 2025NewsTechCrunchFrontier is helping Arbor build a 'vegetarian rocket engine' to power data centers
Funding3 rounds · $55.0M
- Equity raised
- $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 |
| 2022 | Pre-Seed | Undisclosed | — | Cantos, Countdown Capital | — | Speculative |
| 2023 | Seed | Undisclosed | — | Lowercarbon Capital | — | Speculative |
- $55.0MOct 21, 2025
- Undisclosed2022
- Undisclosed2023
Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.
Systems2
Newest unveiled first. Open a system for its milestone timeline, components and sources.
Supply Chain2 facilities
Facilities2
| Facility | Kind | Location | Status | Confidence |
|---|---|---|---|---|
| Arbor Energy El Segundo headquarters | Headquarters | El Segundo, CA, United States | Operating | Confirmed |
| Arbor Energy San Bernardino test facility | Test range | San Bernardino, CA, United States | Operating | Confirmed |
- Arbor Energy El Segundo headquartersHeadquarters · El Segundo, CA, United StatesOperatingConfirmed
- Arbor Energy San Bernardino test facilityTest range · San Bernardino, CA, United StatesOperatingConfirmed
People5
- Andres Garcia-Clark · LinkedIn ↗
CTO
- Brad Hartwig · LinkedIn ↗
CEO
- Alicia Harmon · LinkedIn ↗
Chief Operating Officer
- Miho Beal
Head of Operations and Supply Chain
- Nishad Pai
Chief Commercial Officer
Hiring Observations10 observed listings
Combustion Analysis Engineer ↗
El Segundo, CA · Engineering
Open when checked · Greenhouse public employer job board
Checked Oct 13, 2026
Design Engineer (Combustion Devices) ↗
El Segundo, CA · Engineering
Open when checked · Greenhouse public employer job board
Checked Oct 13, 2026
Checked Oct 13, 2026
El Segundo, CA · Manufacturing
Open when checked · Greenhouse public employer job board
Checked Oct 13, 2026
El Segundo, CA · Engineering
Open when checked · Greenhouse public employer job board
Checked Oct 13, 2026
El Segundo, CA · Other
Open when checked · Greenhouse public employer job board
Checked Oct 13, 2026
Checked Oct 13, 2026
Senior Environmental, Health & Safety (EHS) Engineer ↗
El Segundo, CA · Engineering
Open when checked · Greenhouse public employer job board
Checked Oct 13, 2026
El Segundo, CA · Engineering
Open when checked · Greenhouse public employer job board
Checked Oct 13, 2026
Sr. Combustion Engineer (Syngas Oxyfuel) ↗
El Segundo, CA · Engineering
Open when checked · Greenhouse public employer job board
Checked Oct 13, 2026
A sample of observed listings, not a total vacancy count. Availability may have changed since collection. Categories are inferred from job titles.
Company Metrics
Employee-profile counts reflect LinkedIn profiles associated with the company, not verified headcount. One observation establishes a baseline; it does not establish growth.
Sources17
Show all 17 sources and supporting evidence
Profile3
- 1
PitchBook · Supports Organization · employee range
“employee_range: 51-200 (profile: 75)”
- 2
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”
- 3
Crunchbase · Supports Organization · legal name, Organization · status
“legal_name: Arbor Energy and Resources Corporation”
Systems4
- 4CompanyArbor signs agreement with GridMarket to supply 5 GW of baseload power for infrastructure projects
Arbor Energy · Mar 25, 2026 · Supports Role, System
“Arbor also announced that Nishad Pai has joined as Chief Commercial Officer.”
- 5
Arbor Energy · Oct 21, 2025 · Supports Funding round · amount, System
“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”
- 6CompanyArbor Energy | Company
Arbor Energy · Supports Facility, System · maturity
“Started construction of Arbor’s first test facility in San Bernardino, CA”
- 7
Arbor Energy · Supports System
“Meet HALCYON Arbor’s commercial-ready baseload power system delivers emissions-free electricity through a compact, modular design”
Funding3
- 8
Venture Capital News · Oct 21, 2025 · Supports Funding round
“today announced it has raised a $55 million Series A round”
- 9
Crunchbase · Supports Funding round
“Funding Type Pre-Seed”
- 10
Crunchbase · Supports Funding round
“Funding Type Seed”
Supply chain2
- 11
Arbor Energy · Supports Facility
“Willingness and ability to work on-site at Arbor’s test facility in San Bernardino, CA”
- 12Government recordARBOR ENERGY & RESOURCES CORP - USAspending recipient profile
USAspending.gov · Supports Facility, Organization · hq city
“ARBOR ENERGY & RESOURCES CORP, 129 SIERRA ST, EL SEGUNDO, CA 90245”
People3
- 13CompanyArbor Energy | Careers
Arbor Energy · Supports Role
“Miho Beal Head of Operations and Supply Chain”
- 14
Arbor Energy · Supports Role
“Alicia Harmon is Arbor’s COO, overseeing day-to-day operations while shaping the company’s long-term strategy for scale.”
- 15OtherBlack 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”
Other2
- 16
Supports Job posting
“Sr. Heat Transfer Engineer - Turbomachinery”
- 17CompanyArbor Energy | LinkedIn
LinkedIn · Supports Organization · employee range, Organization · linkedin url, Organization metric · employees in linkedin, Organization metric · followers
“employee_range: 51-200 (profile: 51-200 employees)”
Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.