Green hydrogen has been one of the most hyped investment themes of the past five years.
Australia, with its vast renewable energy resources and proximity to energy-hungry Asian markets, has positioned itself as a potential global leader in green hydrogen exports.
But after a difficult 2025, which saw dozens of major projects cancelled or delayed globally and production costs stubbornly high, ASX investors may be asking whether now is the right time to capture this theme.
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Why the near-term picture is challenging
Green hydrogen has had a rough time of late.
The product currently costs significantly more to produce than fossil fuel alternatives.
Until the cost of renewable electricity falls further and electrolyser technology scales, green hydrogen will struggle to compete on price in most markets.
Investors who bought into the hype in 2021 and 2022 have learned this the hard way.
But the long-term case remains intact
Yet despite the doom and gloom, there is reason to be optimistic.
The global green hydrogen market was valued at US$9.09 billion in 2024 and is projected to reach US$134.86 billion by 2030, growing at a compound annual growth rate of 56.75%.
Australia has signed export agreements with Japan, South Korea, and Germany.
These markets all face structural energy insecurity and are actively seeking clean hydrogen imports.
Furthermore, Australia's National Hydrogen Strategy, backed by funding from the Australian Renewable Energy Agency, continues to invest in bringing production costs down through scale.
The question for investors may not therefore be whether green hydrogen has a future, but which ASX stocks offer the best exposure.
Fortescue
Fortescue Ltd (ASX: FMG) offers the most direct large-cap ASX exposure to green hydrogen through its Fortescue Energy division.
This division is pursuing a series of large-scale green hydrogen and green ammonia projects across multiple continents.
The company has committed to achieving net zero Scope 1 and 2 emissions across all its operations by 2030.
This target requires it to produce and consume significant volumes of green hydrogen itself.
The company's balance sheet, backed by its iron ore earnings, gives it the financial capacity to stay in the game longer than any pure-play hydrogen developer.
For investors, Fortescue offers a way to gain green hydrogen optionality while being underwritten by a profitable, cash-generative iron ore business.
Woodside
Woodside Energy Group Ltd (ASX: WDS) takes a more pragmatic approach to the hydrogen opportunity.
The company pursues both blue hydrogen projects using carbon capture and storage as a near-term bridge, and green hydrogen development as a longer-term ambition.
Its H2Perth project aims to produce green hydrogen and ammonia for export from Western Australia, leveraging the state's abundant solar and wind resources.
Woodside's financial strength, with operating revenue of US$3.26 billion in Q1 2026, gives it the capacity to fund long-dated hydrogen development alongside its core LNG business without straining the balance sheet.
In that sense, Woodside represents a more conservative and diversified way to access the theme.
Global X Hydrogen ETF
For investors who want broader exposure to the global hydrogen value chain without picking individual companies, the Global X Hydrogen ETF (ASX: HGEN) is a great ASX-listed option.
The fund invests in companies globally across hydrogen production, fuel cell development, and hydrogen infrastructure, and has delivered remarkable gains in the past 12 months.
That recovery reflects growing investor optimism that the cost curve for green hydrogen is beginning to inflect downward, even if commercial viability at scale remains a few years away.
Foolish Takeaway
For patient investors, Australia's advantages in renewable energy production make it one of the most credible potential green hydrogen exporters.
FMG and WDS offer diversified exposure with strong balance sheets as a backstop.
HGEN, on the other hand, provides a higher-risk, higher-reward way to invest in the entire global hydrogen value chain.
