Arbor
Los Angeles, US · Founded 2022 · 71 employees on LinkedIn · 9 known investors
Arbor develops power systems intended to provide reliable, emissions-free baseload power at large scale. Founded by engineers with backgrounds in rocket engines, turbomachinery, and high-performance power platforms, the company applies aerospace engineering methods to clean energy generation.
Founders & leadership
Arbor was founded in 2022 by Brad Hartwig.
BH

Brad HartwiginFounder
Investors · 9
Cantos VenturesSan Francisco · $400K – $1.5M
Congruent VenturesSan Francisco · $100K – $5M
Gigascale CapitalPalo Alto
Voyager PartnersSan Francisco · $500K – $5M
645 Venturesreported · 2 sourcesNew York · $1M – $5M
Chaac VenturesreportedSanta Monica · $250K – $1M
Comma CapitalreportedNew York · $100K – $2M
Next Play Venturesreported · 2 sourcesMenlo Park · $100K – $5M
Silent VenturesreportedDallas · $1.5M – $3Mvia Jackson Moses · inferred
Funding
SEC filings, press & company announcements$6.3M disclosed across 1 round · 2026
- $6.3Mseed roundFeb 2026 · 2 sources
645 Ventures (lead), Chaac Ventures, Comma Capital, Next Play Ventures
Source ↗
Source: company announcements and press reports — follow each round's link for the claim.
Competitors · 2
by search overlapPower Technology11 shared keywordsPower Technology is an online trade publication that publishes news, features, and analysis covering the power and energy industry, including topics such as geothermal development.
Biomass Magazine9 shared keywordsBiomass Magazine is a trade publication and news outlet covering the biomass, renewable natural gas, and biofuel industries, reporting on projects, policy, and companies in the sector. It also produces industry events such as the International Biomass Conference & Expo and related podcasts.
Companies competing with Arbor for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
Frequently asked questions
- What does Arbor do?
- Arbor develops power systems intended to provide reliable, emissions-free baseload power at large scale. Founded by engineers with backgrounds in rocket engines, turbomachinery, and high-performance power platforms, the company applies aerospace engineering methods to clean energy generation.
- Who founded Arbor?
- Arbor was founded by Brad Hartwig in 2022.
- Who are Arbor's investors?
- Arbor's investors include Cantos Ventures, Congruent Ventures, Gigascale Capital, Voyager Partners, 645 Ventures, Chaac Ventures, Comma Capital, Next Play Ventures and 1 more.
- How much funding has Arbor raised?
- Arbor has disclosed $6.3M raised across 1 round.
- Where is Arbor headquartered?
- Arbor is headquartered in Los Angeles, US.





