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Haddington Ventures, L.L.C.

Venture capital

Houston · Growth · 8 people tracked

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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.

Source: firm website, verified Aug 25, 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 3 of 14 portfolio companies

Energy ×3Cleantech ×2Climate Tech ×2Deep Tech ×1Logistics & Supply Chain ×1

HQs:United States×3

Investments · 14 tracked

founders shown can be your intro path
Sawtooth Cavernssawtoothcaverns.comin✓ verified

Sawtooth Caverns operates an underground facility outside Delta, Utah that was initially developed in 2014; the company manages infrastructure expansion and capability development at the site as a joint venture.

EnergyLogistics & Supply ChainDelta, US

ACES Deltaaces-delta.com

ACES Delta produces and stores green hydrogen using renewable electricity at an Advanced Clean Energy Storage hub in Utah, serving utilities, industrial companies, and governments across the Western U.S. with carbon-free fuel and energy storage capabilities.

CleantechClimate TechDeep TechEnergyDelta, US

Rob Webster(Founder & Former Chief Strategy Officer)Craig Broussard(Former President, CEO and Board Chair)

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 Developmentmagnumdev.com

Magnum Development operates the Western Energy Hub in Delta, Utah, using a large underground salt formation to store liquids and gases such as utility-scale hydrogen produced from renewable energy.

CleantechClimate TechEnergyDelta, US

Sago Energy
Silicon Energy

Frequently asked questions

How many investments has Haddington Ventures, L.L.C. made?
Haddington Ventures, L.L.C. has 14 tracked investments.
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.

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