Best Hydrogen Stocks to Watch in 2026 for Long-Term Growth

The vision of a hydrogen-powered future is exciting, but the reality in 2026 is that the industry faces significant economic hurdles. Producing green hydrogen, which uses renewable electricity to split water, is currently much more expensive than traditional fossil-fuel-derived 'grey hydrogen.' While grey hydrogen costs roughly $1.20–$2.50 per kilogram, green hydrogen can cost $4–$6 per kilogram to produce. This 'viability gap' means the sector heavily relies on government support, such as the U.S. Inflation Reduction Act's (IRA) 45V tax credit, which can offer up to $3.00 per kilogram for low-carbon hydrogen.

However, accessing these subsidies isn't straightforward. The IRA 45V credit comes with strict conditions, often called the 'Three Pillars': additionality (new renewable power sources), temporal matching (hourly production alignment by 2028-2030), and deliverability (clean power generated in the same grid region). These rules can significantly increase costs and delay projects, leading to widespread Final Investment Decision (FID) delays. In fact, 2025 saw nearly 60 major hydrogen projects canceled, wiping out millions of tonnes of planned annual production. Even large players like Air Products (APD) recently scrapped a multibillion-dollar clean energy complex in Louisiana and other projects, citing that expected financial returns didn't meet their criteria, resulting in a pre-tax charge of up to $2.9 billion in its fiscal third quarter of 2026. This highlights that while the potential is vast, the path to profitability is still challenging and requires careful navigation.

Bloom Energy (NYSE: BE) stands out in the current hydrogen landscape, though its recent success is largely tied to another booming sector: artificial intelligence (AI) data centers. Bloom Energy designs, manufactures, sells, and installs solid oxide fuel cell systems for on-site power generation. Their Bloom Energy Servers can convert various fuels, including natural gas, biogas, or hydrogen, into electricity through a non-combustion process. This flexibility has made them a solution of choice for AI data centers that demand uninterrupted and efficient power.

The company reported strong first-quarter 2026 results, with revenue surging 130% year-over-year to over $750 million, and turning a GAAP net profit of $70.65 million. They also boosted their full-year outlook, guiding for $3.1–$3.3 billion in revenue for 2026. A significant catalyst was the expansion of their strategic partnership with Brookfield (BAM) in June 2026, from $5 billion to $25 billion, to support the rapid build-out of power solutions for AI infrastructure. Additionally, in April 2026, Reuters reported that Bloom Energy would supply Oracle with up to 2.8 gigawatts of fuel cell capacity. While Bloom's platform can run on hydrogen, positioning it for the future, its current valuation is heavily influenced by the immediate demand from AI, with some analysts noting the stock trades at high EBITDA and revenue multiples. Analysts have a consensus 'Hold' rating with an average price target around $238.82, though some recent ratings go as high as $350.

Plug Power (NASDAQ: PLUG) is a well-known name in the hydrogen space, focused on building a comprehensive green hydrogen ecosystem. This includes manufacturing electrolyzers (devices that split water into hydrogen and oxygen), producing green hydrogen, and developing fuel cell systems for material handling and heavy-duty trucks. The company has deployed over 74,000 fuel cell systems and more than 285 hydrogen fueling stations by the end of 2025, with major customers like Amazon and Walmart using their technology for forklifts.

In the first quarter of 2026, Plug Power reported a 22.3% year-over-year increase in net revenue to $163.51 million, exceeding analyst expectations. The company also showed signs of improvement in operating expense management and gross margin, with its adjusted net loss per share decreasing from $0.17 in Q1 2025 to $0.08 in Q1 2026. Plug Power exited Q1 2026 with $802.01 million in cash, cash equivalents, and restricted cash. However, cash burn remains a concern, with analysts noting it was steeper than expected in Q1. The company is working to monetize hydrogen contracts and fuel cell performance, and expects incremental liquidity from asset sales in Q2 and Q3 2026. Wall Street analysts have a cautious 'Hold' consensus rating for PLUG, with an average price target around $3.42, ranging from $0.75 to $7.00.

Ballard Power Systems (NASDAQ: BLDP) is a Canadian pioneer in proton exchange membrane (PEM) fuel cell technology, specifically targeting the electrification of zero-emission transportation like buses, commercial trucks, and marine vehicles. The company has been in the hydrogen industry for over 30 years, debuting the world's first fuel cell bus decades ago.

Ballard reported strong first-quarter 2026 results in May, with revenue rising 26% year-over-year to $19.4 million. Crucially, its gross margin turned positive at 14%, and operating expenses fell 36%, leading to a 65% drop in operating cash burn after cost cuts and restructuring efforts. The company also secured multi-year supply deals for its FCmove-SC fuel cell engines for next-generation bus platforms with Wrightbus and Solaris, extending through 2029. While Ballard still operates at a loss, it ended Q1 2026 with a substantial $516.8 million in cash and minimal debt, providing a solid financial cushion. Analyst sentiment is mixed, with a consensus 'Reduce' or 'Hold' rating and an average price target around $3.59, though some analysts see a path to cash flow breakeven by late 2027.

FuelCell Energy (NASDAQ: FCEL) is another key player in the fuel cell segment, specializing in the design, development, and operation of high-temperature fuel cells for clean electric power generation. The company's proprietary technology includes carbonate fuel cells, which can be powered by natural gas and biofuels, and hydrogen fuel cells. They also focus on commercializing solid oxide electrolysis technology for distributed hydrogen production.

In recent months, FuelCell Energy has strategically shifted its focus towards the data center market, identifying significant opportunities for its efficient and resilient power solutions. In June 2026, the company announced a strategic agreement with FIT Energy for up to 380 MW of clean power for data centers. This focus appears to be paying off, as the company reported a robust 61% surge in revenue during the first quarter of 2026, reaching $30.5 million. FuelCell Energy is actively involved in green hydrogen production, utilizing trigeneration technology to produce hydrogen from natural gas or biogas with a lower carbon footprint, and developing solid oxide electrolysis for efficient water splitting. While the company is making strides in securing contracts and growing revenue, like many in the hydrogen sector, it continues to navigate the path to consistent profitability.