Arbor Energy key facts
as of Oct 2026- Developer of advanced power systems designed to deliver clean, reliable baseload electricity with zero operating emissions.
- Arbor Energy is valued at approximately $99.0M as of Oct 2026, set at its early-stage round, Oct 2025; nothing has traded since, per PrivateMarketView’s mark.
- It has raised $68.5M across 1 recorded rounds; the latest was Series A ($55.0M) in Oct 2025.
- Notable investors include Mana Ventures, Climate Capital, Clocktower Ventures, Lowercarbon Capital, Gigascale Capital — 13 tracked in total.
- 1 investment vehicle was formed to buy Arbor Energy shares in the last 12 months, reporting $3.9M sold to 14 investors, per SEC Form D filings.
- Status: Privately Held (backing).
Valued at $99.0M at its early-stage round, Oct 2025. Nothing has traded since.
- ·The complete investor list: 13 names
- ·Watch Arbor Energy: the Monday email on marks, rounds and moves
Arbor Energy funding rounds
1 roundsVehicles formed to buy Arbor Energy shares
secondary demand · SEC Form D filingsIn the last 12 months, 1 investment vehicle were formed to buy Arbor Energy shares, reporting $3.9M sold to 14 investors across 2 sponsors. Most recent filing Feb 2026.
Membership and data by Private Market View
Arbor Energy leadership
- Brad HartwigCo-Founder & CEO
- Andres Garcia-ClarkCo-Founder & CTO
- Alicia HarmonCOO
- Nishad PaiCCO
Who backs Arbor Energy
13+Membership and data by Private Market View
Arbor Energy valuation
Arbor Energy was valued at $99 million at its early-stage round in Oct 2025. That is the last priced event on record: no secondary trade or institutional fund mark has moved the figure since.
How much has Arbor Energy raised?
Arbor Energy has raised $68.5 million across 1 recorded round since 2025. The largest was a $55 million Series A in Oct 2025.
Institutional holders and vehicles
In the last 12 months, 1 investment vehicle was formed to buy Arbor Energy shares, reporting $3.9 million sold to 14 investors across 2 sponsors, per SEC Form D filings (most recent Feb 2026).
Arbor Energy investors
13 investors are on record for Arbor Energy, including Mana Ventures, Climate Capital, Clocktower Ventures and Lowercarbon Capital. By type, the record holds 7 venture capital firms.
Who runs Arbor Energy
4 people are listed on the Arbor Energy team: 4 executives, including Andres Garcia-Clark (Co-Founder) and Brad Hartwig (Co-Founder).
Comparable companies
Comparable energy names by valuation on PrivateMarketView: Echion Technologies ($187 million), Reach ( Electrical Equipment) ($150 million) and Amperesand ($93.5 million).
About Arbor Energy
Developer of advanced power systems designed to deliver clean, reliable baseload electricity with zero operating emissions. The company offers supercritical CO₂ turbines with oxy-combustion technology, modular and scalable designs, fuel flexibility for conventional and organic waste sources, and rapid deployment capabilities, enabling utilities, industrial operators, and sustainability-focused organizations to access low-cost, carbon-negative electricity while supporting a zero-emissions energy future.
- Industry
- Energy
- Sector
- Business Products and Services (B2B)
- HQ
- El Segundo, CA, United States
- Founded
- 2022
- Employees
- 50
- Website
- arbor.co/
- Ownership
- Privately Held (backing)
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