This tiny company’s market cap has more than doubled this year, surging from around £30m to £66m today. It’s up a staggering 169% since May last year (2025).

So I had to take a closer look: is this runaway success a genuine opportunity, or your classic penny share trap?

What does it do?

Clean Power Hydrogen was founded in 2012 and is headquartered in Doncaster. This green hydrogen technology and manufacturing company develops something truly innovative: the IP-protected Membrane-Free Electrolyser (MFE).

In simple terms, it makes two very pure gases at the same time: hydrogen and oxygen that’s even cleaner than what’s used in hospitals.

Most hydrogen makers need special expensive membranes or barriers to work, but these break down, get clogged up, and cost a lot to fix. Clean Power Hydrogen’s system skips those parts entirely, so it doesn’t clog as easily, breaks down less often, and costs much less to keep running.

So the hydrogen production units it manufactures could revolutionise how we think about clean energy.

Where Clean Power Hydrogen excels

The company’s target markets are life sciences, healthcare, mobility, and data centres, including long-duration backup storage and dispatch applications.

That’s where it gets interesting for investors: there’s potentially huge demand from industries where hydrogen and oxygen could improve process efficiency, such as wastewater treatment and semiconductor fabrication.

As Murray Douglas, Wood Mackenzie’s Vice President for Hydrogen and Derivatives Research, recently said:

Projects advance where policy and offtake align, and stall where either remain uncertain. 2026 will separate viable hydrogen markets from those built on policy ambition alone.

But before you get too excited, consider this: shares are down 77.2% in five years. So is the recent jump just a small blip in an otherwise downward trajectory?

The reason for the rally

Clean Power Hydrogen recently inked a non-binding partnership with BKW subsidiary Abe to cover the supply, installation, commissioning, and maintenance of electrolysers across Abe and BKW’s markets. BKW is one of Switzerland’s largest energy supply companies, which adds serious credibility to this deal.

The company is seeking to monetise curtailed wind or solar capacity, something recently highlighted by National Grid‘s cost-saving efforts. This approach could unlock significant value from wasted renewable energy.

But like most penny stocks, it’s not yet profitable. So does it have the financial strength to keep delivering?

Let’s look at the hard numbers, because that’s what really matters:

• Revenue (HY25): £4,000
• Cash (financing): £5.59m
• Total debt: £708,000
• Total assets: £11.85m

These figures show a company with more cash than debt and solid long-term assets. But the question is: can it keep securing financing until it becomes profitable?

The bottom line

Clean Power Hydrogen offers a compelling narrative: renewable energy linked to data centre and semiconductor opportunities.

But it’s very risky as a small cap with limited liquidity and heavy reliance on one big partnership. The non-binding nature of that BKW deal means nothing’s guaranteed yet.

Still, for investors keen on getting in early on the renewable energy transition, I think it’s worth considering. Albeit, only as a small allocation of around 1%-2% in a larger, diverse portfolio.

Renewable energy continues to drive some of the most innovative market moves today, and it’s a sector I plan to cover more deeply in 2026.

Should you invest £5,000 in Clean Power Hydrogen Plc right now?

When investing expert Mark Rogers and his team have a stock tip, it can pay to listen. After all, the flagship Twelfth Magpie Share Advisor newsletter he has run for nearly a decade has provided thousands of paying members with top stock recommendations from the UK and US markets.

And right now, Mark thinks there are 6 standout stocks that investors should consider buying. Want to see if Clean Power Hydrogen Plc made the list?

Mark Hartley owns shares in National Grid.

The post Here’s how Clean Power Hydrogen could be the next big penny stock winner in renewable energy appeared first on The Twelfth Magpie.

The UK, Europe, and the US have made renewable energy part of their ‘build-back-better’ plans for post-Covid economic recovery. Russia’s invasion of Ukraine has led many countries to rethink their future energy security. And, more broadly, hydrogen is seen as a key element in the global drive to reduce emissions from energy consumption and achieve net zero by 2050.

While it’s still early days, some analysts estimate the hydrogen economy could be worth more than $10 trillion by that time.

What are hydrogen stocks?

Hydrogen stocks are companies in the renewable energy industry that are primarily focused on the development, manufacture, or sale of hydrogen fuel technology, equipment, or services.

Given the potential size of the market, it’s not surprising to see oil giants, like BP, major utilities, like SSE, and chemical companies, like Johnson Matthey, in the early stages of incorporating hydrogen energy into their business plans. 

However, there are a number of firms focused exclusively, or almost exclusively, on the hydrogen economy. Some have been established for many years.

Top hydrogen shares in the UK

Here are some of the UK’s biggest pure-play hydrogen stocks as of January 2026:

Ceres Power Holdings

Also founded in 2001, Ceres Power joined the stock market a few months after ITM in 2004. It used to be in the UK’s £1bn+ hydrogen stock category along with ITM Power. However, as investor excitement about the sector has calmed down, its market cap has returned to more sustainable levels.

However, following a series of new UK government-signed commercial contracts for green hydrogen projects, the company is now benefiting from a substantial tailwind that enabled its 2024 revenues to vastly exceed expectations.

Sadly, in 2025, this momentum was offset by the loss of licensing revenue, resulting in underperformance in its Engineering Services segment. While the group is making progress across other revenue streams, it remains a volatile business.

The company has developed solid oxide fuel cell technology for hydrogen production. Its strategy is to license its technology to global original equipment manufacturers and generate royalties as those manufacturers achieve full-scale commercialisation. Its partners include China’s Weichai Power and Germany’s Bosch. The former owns 20% of Ceres’s shares and the latter 18%.

ITM Power

Founded in 2001, ITM Power became the first hydrogen company on the London Stock Exchange when it listed in 2004.

It has developed and manufactures proton exchange membrane electrolysers, which create green hydrogen using only renewable electricity and water.

It has a partnership with Linde, the world’s largest industrial gas company, which also owns 16% of ITM’s shares. Other partners include oil giant Shell and leading European natural gas transport and storage operator Snam.

After a shaky few years of operational delays and disruption, the business has successfully begun fulfilling customer orders. And subsequently, revenue has expanded drastically since 2023, rising from £5.3m to £26m, with analysts forecasting sales to reach £48m by April 2026.

AFC Energy

Founded in 2006 and listed on the stock market in 2007, AFC Energy is one of a number of UK hydrogen stocks currently capitalised in the £100m-£150m bracket.

The company has developed alkaline fuel cell systems that use hydrogen to produce clean energy. It has inked a number of strategic collaborations, including with Swedish/Swiss technology multinational ABB, a leading provider of electric vehicle charge points and electrification and digitalisation technologies.

Clean Power Hydrogen

As mentioned, ITM is one of London’s largest and first-listed hydrogen stocks, and a leader in proton exchange membrane electrolysers. By contrast, Clean Power Hydrogen is aiming to ramp-up commercialisation of competing membrane-free electrolyser technology. It says this technology, in combination with cryogenic gas separation, delivers very high-purity hydrogen and medical-grade oxygen.

However, unlike ITM Power, Clean Power Hydrogen is still in its infancy, with no revenue generated in 2025. Unlike ITM Power, this business is still effectively in development and has yet to prove its commercial viability.

Yet that may change in 2026. Following the group’s latest milestones in late 2025, some analysts are now projecting that revenue could reach £5m by the end of the year.

Investing in US hydrogen shares

Despite a fair range of hydrogen stocks on the UK market, there are some larger enterprises in this sector on foreign exchanges. Here are the leading US players in order of market capitalisation as of January 2026:

• Bloom Energy – $31.56bn market cap.
• Plug Power – $3.27bn market cap.
• Ballard Power Systems – $814.37m market cap.
• FuelCell Energy  – $357.6m market cap.

Are hydrogen stocks right for you?

There’s little doubt the hydrogen economy will increase to many multiples of its current size in the coming decades. With such a strong structural backdrop for growth, investing in hydrogen shares could be highly rewarding.

Having said that, stocks in the sector also come with higher risk. The businesses are at an earlier stage of development than some in other areas of the renewable energy market. All five UK hydrogen companies and four US names featured are currently loss-making businesses. In addition, they’re not forecast to generate positive cash flows any time soon, far less pay dividends. As such, these won’t be the right stocks if your primary focus is on income.

As the hydrogen market grows, and rival technologies are put to the test when the full competitive dynamics of the industry emerge, there are likely to be winners and losers. If you’re prepared to accept above-average risk in exchange for potential high capital returns from the long-term winners, investing in green hydrogen stocks might be right for you.

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