Green hydrogen is emerging as a cornerstone of a cleaner energy economy, offering a versatile way to decarbonize sectors that are hard to electrify.

Produced by splitting water using renewable electricity, this zero-emissions fuel can replace fossil feedstocks and fuels across heavy industry, shipping, aviation, and seasonal energy storage—areas where direct electrification struggles.

Why green hydrogen matters
Green hydrogen’s appeal lies in its flexibility.

It can serve as a high-temperature heat source for steel, cement, and chemical manufacturing; be converted into ammonia or synthetic fuels for maritime and air transport; and act as a long-duration energy storage medium to balance variable renewable generation.

For companies facing emissions targets, green hydrogen is increasingly viewed not as a niche option but as a strategic solution to eliminate scope 1 and scope 2 emissions in difficult sectors.

Technological and cost trends to watch
Electrolyser technology has seen steady improvements in efficiency and modularity, reducing capital and operating costs. Advances in manufacturing and supply chains are making electrolysers easier to scale, from modular units for industrial sites to large-scale facilities tied to wind and solar farms. On the hydrogen handling side, innovations in storage (including pressurized tanks, liquid hydrogen, and chemical carriers like ammonia and liquid organic hydrogen carriers) are making transport and long-term storage more practical and cost-effective.

Policy and infrastructure are accelerating deployment
Policy frameworks that recognize hydrogen’s role—through incentives, procurement, carbon pricing, and clear regulations—are critical to unlocking investment. Building hydrogen infrastructure, such as dedicated pipelines, refueling stations, and port bunkering facilities, requires coordinated public-private planning.

Standards and certification schemes for renewable hydrogen are also gaining attention, helping buyers verify the carbon intensity of their supply.

Key applications and commercial opportunities
– Heavy industry: High-temperature processes in steel, cement, and chemicals can switch from fossil fuels to hydrogen or hydrogen-derived fuels, dramatically reducing emissions.
– Transport: Shipping and aviation can use hydrogen-based fuels where batteries are impractical due to energy density constraints. Ammonia and synthetic kerosene are front-runners for long-range applications.

– Power systems: Hydrogen provides long-duration, seasonal storage that complements batteries and other flexible resources, helping grids integrate more renewables.
– Feedstocks: Chemicals like ammonia and methanol produced from renewable hydrogen can decarbonize fertilizer and chemical supply chains.

Remaining challenges
Cost parity with fossil alternatives is the primary barrier for broad adoption. That depends on continued reductions in renewable power costs, electrolyser scaling, and supportive policy mechanisms. Infrastructure build-out is capital intensive and involves complex permitting and safety standards.

Creating transparent, globally recognized certification for “green” hydrogen is essential to avoid market fragmentation and to ensure true emissions reductions.

How businesses and policymakers can prepare
– Corporates should secure offtake agreements and participate in pilot projects to lock in supply and drive scale.
– Investors should prioritize projects combining low-cost renewables with local demand clusters to reduce transport needs.
– Policymakers should promote clear certification, targeted subsidies, and infrastructure planning that connects renewable generation to industrial demand.
– Industry consortia can accelerate standards, safety protocols, and workforce training to support rapid deployment.

Green hydrogen won’t replace all energy uses, but it will be pivotal where alternatives fall short. Organizations that engage early—through partnerships, pilots, and strategic investments—will be better positioned to capture the economic and sustainability benefits as hydrogen becomes a mainstream part of the clean energy mix.