Arbor Energy

Active#15 worldwide · Carbon capture

Builds modular oxy-combustion supercritical CO2 turbines that produce baseload power from gas or biomass syngas while capturing the CO2 stream for storage, enabling carbon-negative electricity.

Energy & climate›Carbon capture

HQUnited States

Last roundSeries A · Oct 2025

Uback rankings

How the AI ranks →

Ranking	Tier	Rank	Edition	Next update
Carbon capture · worldwide	Top 41	#15	Edition 0 (beta) · Oct 2026	20 Oct 2026

Rank historyOct 2026 · #15 Carbon captureFirst edition: no movements yet.

Estimated valuation

AI · Carbon capture ranking (worldwide)

≈ USD 280MUSD 230–360M · Hundreds of M$

Hundreds of k$

Millions $

Tens of M$

Hundreds of M$

Unicorn

Decacorn

Hectocorn

Anchor: Last known equity round: Series A · USD 55M · Oct 2025

An indicative editorial estimate produced by AI, imperfect by nature: neither a financial valuation nor investment advice. Only the market sets a company’s value. Method

Funding history

Date	Round	Amount	Type	Investors
Oct 2025	Series A	USD 55M	Equity	Lowercarbon Capital, Voyager Ventures, Gigascale Capital, Marathon Petroleum

Rounds as cited by Uback’s rankings. Equity, debt and grants are shown separately; only equity rounds count towards the valuation anchor.

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What the AI reads

Read by the AI at the next edition.

Comparable companies in carbon capture

Full carbon capture ranking →

Deep Sky#14CanadaHundreds of M$Mantel#16United StatesHundreds of M$Terradot#13United StatesHundreds of M$ION Clean Energy#17United StatesHundreds of M$

Investors in Arbor Energy: Lowercarbon Capital · Voyager Ventures · Gigascale Capital · Marathon Petroleum

Last updated: Oct 2026Report an error

Uback is a content publisher and an aggregator of non-binding expressions of interest. It provides no investment advice, receives no mandate and takes part in no transaction. Rankings, ranges and brackets are editorial estimates produced by AI, purely indicative.