Geologic Hydrogen Exploration, Top 10 Companies by Funding and Acreage, Koloma’s $394 M and Max Power’s 1.3 M Acres (2024 to 2026)

The geologic hydrogen sector has decisively shifted from academic theory to a high-stakes commercial frontier, driven by significant capital injections and an aggressive rush for prospective land. A few key players are establishing dominant early positions, defined by their success in raising funds and securing vast exploration territories. Between 2024 and 2026, the market has been catalyzed by scientific validation, most notably the January 2025 release of the U.S. Geological Survey (USGS) prospectivity maps, which focused efforts on key areas like the U.S. Mid-Continent Rift. This period is defined by frontrunners like Koloma, which amassed $394 million in funding, and Max Power Mining Corp., which secured rights to over 1.3 million acres. The dominant trend for 2025 is the industry’s pivot from modeling to large-scale physical exploration, backed by a new class of investors betting on a new energy source. The trends in mining and hydrogen show a clear move towards tangible asset acquisition and drilling.

Top 10 Geologic Hydrogen Companies by Funding and Acreage

The following companies represent the vanguard of the geologic hydrogen rush, ranked by a composite of capital raised, acreage secured, and operational progress between 2024 and 2026.

1. Koloma

Funding: The clear leader with a total of $394 million raised, including a $245.7 million round in February 2024. Strategic investments from Mitsubishi Heavy Industries and Osaka Gas followed in January 2026.
Acreage & Operations: Backed by Breakthrough Energy Ventures, Koloma is actively mapping territories in the U.S., including areas in California, and participates in a joint industry program with the USGS and Colorado School of Mines.
Source: Geologic hydrogen explorer Koloma, with $400 mil in …

2. Max Power Mining Corp.

Funding: No specific funding amounts are detailed.
Acreage & Operations: Commands the largest reported land position, with 1.3 million acres permitted and 5.7 million acres under application as of June 2025, establishing it as a dominant player in the land-grab phase.
Source: MAX POWER TEAM IDENTIFIES RARE BASEMENT …

3. Hy Terra Ltd.

Funding: Raises capital through the Australian Securities Exchange (ASX).
Acreage & Operations: A first-mover in the U.S., it tripled its lease holdings on the Nemaha Ridge in Kansas to 39, 000 acres in September 2024. Its active drilling program, including the Blythe 13-20 well, has confirmed the project’s potential.
Source: Hy Terra triples lease acreage at US hydrogen project

4. Gold Hydrogen Limited

Funding: Secured AU$20 million ($13.5 million) in early 2024 to fund exploration.
Acreage & Operations: Holds an exploration license on the Yorke Peninsula in South Australia and is actively drilling exploration wells to prove its resource.
Source: Natural hydrogen: the race to discovery and concept …

5. Snowfox Discovery

Funding: Backed by specialist hydrogen venture capital firm AP Ventures.
Acreage & Operations: A technology-focused company building proprietary software and tools to identify and prioritize the most prospective areas for natural hydrogen exploration, aiming to accelerate the discovery process.
Source: Unlocking Natural Hydrogen’s Potential

6. H 2 EX Ltd

Funding: No specific funding amounts detailed.
Acreage & Operations: A Perth-based startup focused on exploration on South Australia’s Eyre Peninsula. It was awarded additional exploration acreage in the Otway Basin in October 2025.
Source: Unearthing natural hydrogen on South Australia’s Eyre …

7. Hydroma Inc.

Funding: Privately held.
Acreage & Operations: The original pioneer operating the world’s only long-running commercial natural hydrogen well in Mali. The project, which produces gas with 98% H₂ purity, serves as the primary proof-of-concept for the entire industry.
Source: Active Companies | Naturally-Occurring Hydrogen

8. Getech

Funding: Publicly traded company.
Acreage & Operations: A geoscience data and software company that has pivoted its extensive geological databases to service the natural hydrogen sector. It launched Globe 2024 in October 2024, an earth model designed to accelerate exploration.
Source: Getech’s Latest Earth Model Accelerates Petroleum …

9. Helios Aragón Exploration, S.L.

Funding: Privately held.
Acreage & Operations: A key player focused on exploration in Spain, identified as a significant early-stage company in the emerging European white hydrogen market.
Source: White Hydrogen Market Size & Share Report, 2026-2033

10. 45-8 Energy Group SAS

Funding: Privately held.
Acreage & Operations: A prominent French exploration company recognized as a key participant in the global white hydrogen market, focusing on European prospects.
Source: White Hydrogen Market Size & Share Report, 2026-2033

Table: Top Geologic Hydrogen Exploration Companies (2024-2026)

Top 10 Geologic Hydrogen Players, A Mix of Exploration Pure-Plays and Tech Enablers

The competitive landscape reveals a split between two primary strategies: traditional exploration focused on drilling and acreage, and technology-centric approaches aimed at improving discovery. The diversity of business models indicates a market that is still defining its pathway to commercial scale, with different players betting on distinct value-creation methods.

Pure-Play Exploration Dominance

A significant portion of the leading companies are pure-play explorers adopting a model familiar to the oil and gas industry. Companies like Hy Terra Ltd., Gold Hydrogen Limited, and Max Power Mining Corp. are focused on the direct, physical work of securing land rights and drilling exploration wells. Their success is measured in acres leased and confirmed hydrogen flows. Hy Terra’s tripling of its Kansas acreage and subsequent confirmation of hydrogen potential at its Nemaha Project exemplifies this asset-heavy strategy, which aims to prove up reserves for future production.

The Technology and Data Angle

In contrast, a new breed of company is focused on selling the “picks and shovels” for the hydrogen gold rush. Getech leverages its decades of subsurface data and geological modeling software, pivoting its existing assets to help other explorers identify promising locations. Similarly, Snowfox Discovery, backed by hydrogen-specialist VC AP Ventures, is building proprietary technologies to de-risk exploration. These firms are betting that in a nascent industry, superior data and analytical tools provide a faster and more capital-efficient path to value than drilling alone.

Pioneers Providing Proof-of-Concept

The entire geologic hydrogen industry owes a debt to Hydroma Inc., whose project in Mali has been producing naturally occurring hydrogen for years. This operation serves as the one undeniable, long-term proof-of-concept that commercial-scale natural hydrogen extraction is possible. While geographically isolated, its existence provides critical validation for investors and explorers globally, demonstrating that the resource is not merely theoretical and can be produced with high purity (98% H₂).

Early Investment Volatility Signals Market Maturation Challenges
The rapid investment surge followed by a steep drop indicates the nascent geologic hydrogen sector is experiencing typical early-stage market volatility, possibly driven by initial hype, project de-risking challenges, or a cautious investor re-evaluation. This pattern highlights the high-risk, high-reward nature of frontier energy technologies.

(Source: Half a Billion Dollars into the Ground: Why Geologic Hydrogen Is Changing Its Approach | Cleantech Group)

USA, Australia, and Europe, The Global Race for Geologic Hydrogen Hotspots

While exploration is happening worldwide, three key regions have emerged as the initial hotspots for geologic hydrogen activity. Government support, favorable geology, and the presence of experienced exploration companies have concentrated the initial land rush in the United States, Australia, and parts of Europe.

US Mid-Continent Rift as Ground Zero

The United States, particularly the Mid-Continent Rift system, has become the primary focus for capital and exploration. The January 2025 release of the USGS prospectivity maps provided a scientific framework that validated existing theories and drew intense interest to the region. Both Koloma and Hy Terra are heavily invested in this area, making it the most active exploration front in the world. This focus on a specific geological formation contrasts with broader US hydrogen projects that are more geographically dispersed and focused on manufactured blue or green hydrogen.

Australia’s Southern Hydrogen Rush

South Australia has become a parallel hub of activity, with companies like Gold Hydrogen Limited and H 2 EX Ltd staking claims on the Yorke and Eyre Peninsulas. Favorable state-level regulations and well-understood geology, derived from decades of conventional energy exploration, have made this region attractive. The awarding of new exploration blocks in the Otway Basin in late 2025 confirms continued government support and industry interest in unlocking Australia’s geologic hydrogen potential.

European Entrants Stake Their Claims

Though slightly behind the US and Australia in terms of large-scale announcements, Europe is not sitting idle. The presence of specialized exploration firms like Spain’s Helios Aragón Exploration and France’s 45-8 Energy Group indicates that prospecting is well underway. These early movers are securing strategic positions in what are believed to be promising geological settings, positioning Europe to become a third major region in the global geologic hydrogen landscape.

Koloma and Hy Terra, From Prospecting to First Production Wells

The activities of the top players reveal a market in the very early stages of maturity, dominated by land acquisition and preliminary exploration. However, the first signs of a transition toward proving commercial viability are emerging as leaders move from mapping to drilling. The state of the industry is best understood by looking at its early-stage land rush, the first successful drilling results, and how it compares to more mature hydrogen production methods.

The Land Grab Phase

The current market is primarily characterized by a massive “land grab” as companies race to secure exploration rights in promising territories. Max Power’s portfolio of 1.3 million permitted acres and applications for 5.7 million more is the clearest example of this strategy. Likewise, Koloma’s quiet mapping of areas in California and the Midwest signals a focus on identifying and securing the best prospects before they become competitive. This phase is about securing assets, not yet producing from them.

First Drills and Confirmed Hits

Moving beyond pure prospecting, companies like Hy Terra and Gold Hydrogen represent the next stage of maturity. Their active drilling programs in Kansas and South Australia, respectively, are critical for the industry. Hy Terra‘s announcement of a milestone at its Blythe 13-20 well in June 2025 was a significant event, providing tangible proof that drilling could confirm the hydrogen concentrations predicted by geological models. These efforts are crucial for de-risking the sector and attracting the next wave of investment.

From Niche to Mainstream Comparison

Geologic hydrogen remains in its infancy compared to green hydrogen produced via electrolysis, which has established players and large-scale projects like the $8.4 billion NEOM green hydrogen project. While geologic hydrogen promises a potentially much lower cost, it carries significant upstream exploration risk. The manufactured hydrogen sector, by contrast, is tackling challenges of electrolyzer scale-up and securing renewable energy, with firms benefiting from initiatives like the $750 M DOE funding for electrolyzer manufacturing. The success of geologic hydrogen will depend on its ability to move from discovery to reliable, low-cost production.

Koloma’s $394 M War Chest, Scenarios for a 2026 Commercial Pilot

The most critical strategic development for the geologic hydrogen sector in the next 12 to 18 months will be the announcement of a successful, commercially viable pilot project. With its significant funding and industrial partnerships, Koloma is the leading candidate to achieve this milestone, which would fundamentally de-risk the entire industry and trigger a shift from exploration to production-focused investment. Watch for a pre-production offtake agreement as the key signal.

• Recent signals from January 2026 show Koloma accepting strategic investments from industrial giants Mitsubishi Heavy Industries and Osaka Gas, suggesting a clear pathway toward securing future buyers and validating a commercialization strategy.
• Hy Terra’s successful well test in June 2025 provided the first concrete evidence from a modern exploration program that these resources are accessible, giving investors confidence that drilling programs can yield positive results.
• The massive scale of land acquisition, highlighted by Max Power‘s applications for 5.7 million acres, shows that industry insiders believe vast, commercially viable reserves are discoverable and worth securing at a massive scale, even ahead of proven production.

The questions your competitors are already asking

This report covers one angle of geologic hydrogen commercialization. The questions that matter most depend on your work.

• US geologic hydrogen prospectivity maps
• Best geology for natural hydrogen
• Geologic hydrogen production cost vs green hydrogen
• Natural hydrogen extraction and processing technology

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