Fundraising Fox

Haddington Ventures, L.L.C.

Venture capital

Houston · Growth · 8 people tracked

Fox Verdict
Sign up to see your fit

Investment thesis

Haddington Ventures backs entrepreneurs navigating a changing energy landscape by providing capital and strategic support. The firm focuses on 'energy hubs' — projects that co-locate production, storage, and demand to deliver greater efficiency and reliability. Its portfolio spans both conventional and renewable energy businesses that bring innovative new infrastructure to the U.S. energy sector.

Invests inCleantechClimate TechEnergyNew MaterialsHoustonUnited States

Source: firm website, verified Aug 11, 2026.

Stage
Growth
Check
$20M – $70M
HQ
Houston, Texas, US
Instruments
Equity
Founded
1998
AUM
$726.4M
Tracked investments
14

Team · 8 people

from the firm's website & public directories

What they invest in

from 2 of 14 portfolio companies

Energy ×2Cleantech ×1Deep Tech ×1

HQs:United States×2

Investments · 14 tracked

founders shown can be your intro path
ACES Deltaaces-delta.com

ACES Delta develops green hydrogen production, storage, and conversion infrastructure for renewable energy at utility and industrial scale.

CleantechDeep TechEnergyDelta, US

Advanced Clean Energy Storage I
APEX CAES
Bear Paw Energy
Bobcat Storage
CAES Development Company
Eureka Resources
Gulf Coast LNG
IACX LLC
Lodi Gas Storage
Magnum Development
Sago Energy
Sawtooth Cavernssawtoothcaverns.comin

Sawtooth operates an underground salt cavern storage terminal near Delta, Utah for petroleum liquid products, including pressurized NGLs such as butane and propane and unpressurized refined products such as gasoline, diesel, and jet fuel.

EnergyDelta, US

Silicon Energy

Frequently asked questions

What stage does Haddington Ventures, L.L.C. invest at?
Haddington Ventures, L.L.C. invests at the Growth stage.
What is Haddington Ventures, L.L.C.'s typical check size?
Haddington Ventures, L.L.C. typically writes checks of $20M – $70M.
What sectors does Haddington Ventures, L.L.C. focus on?
Haddington Ventures, L.L.C. focuses on Cleantech, Climate Tech, Energy, New Materials.
Where is Haddington Ventures, L.L.C. located?
Haddington Ventures, L.L.C. is headquartered in Houston, US.

Images

Haddington Ventures, L.L.C. photo

Similar investors

Featured in lists