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Hydrogen: Supporting Ontario’s low‑carbon energy future

Leading Ontario’s Energy Future

Hydrogen is an emerging energy solution that can help reduce emissions while supporting a reliable and affordable energy system. At Enbridge Gas, we’re exploring how hydrogen can complement natural gas and renewable energy to serve Ontario’s evolving needs.

Contact the hydrogen team   Learn how hydrogen works

How hydrogen can help

Hydrogen offers new opportunities to support a cleaner energy future:


  • Blend into natural gas
    Safely reduce emissions across our existing system
  • Store renewable energy
    Capture and store energy for use when it’s needed most
  • Connect energy systems
    Help balance electricity and natural gas supply
  • Replace higher‑carbon fuels
    Support transportation and industrial uses

What are potential areas of opportunity for hydrogen?

Industry

  • Cement
  • Steel
  • Energy
  • Chemicals
  • Ammonia
  • Methanol
  • Other industries

Transport

  • Heavy-duty transport
  • Shipping
  • Aviation
  • Rail
  • Light-duty transport

Buildings

How hydrogen works

Hydrogen is a clean energy carrier that can store and deliver energy for a wide range of uses.

Hydrogen can be produced in different ways, and its environmental impact depends on how it’s made.

  • Electrolysis (Power-to-Gas):
 Electricity is used to split water into hydrogen and oxygen. When powered by renewable energy, this produces renewable hydrogen.
  • Steam Methane Reforming (SMR):
 Hydrogen is created by separating it from methane (natural gas). If the resulting carbon emissions are captured and stored, this produces low‑carbon hydrogen.

Overall, hydrogen can be considered renewable or low-carbon depending on the energy sources and processes used to produce it.

While describing hydrogen types using colour is common, the terminology is not standardized and can cause confusion. This is why the industry is moving towards a simpler classification, using terms such as low-carbon and renewable hydrogen.

Hydrogen can reduce emissions when it’s produced using low‑carbon or renewable methods and used to replace higher‑emitting fuels. It’s also flexible—able to be stored and used when needed—supporting a more efficient, lower‑carbon energy system.

Driving innovation to meet Ontario’s energy needs

As Ontario’s energy landscape evolves, Enbridge Gas is taking an “all‑of‑the‑above” approach—integrating natural gas, renewables, and emerging solutions like hydrogen to support a reliable, affordable, and sustainable energy system.

Putting hydrogen into action

Hydrogen supply and fueling services

Starting late September 2026, an Enbridge Gas affiliate will offer lower‑carbon hydrogen1 from our Markham facility. We provide contracted supply and fueling services to support a range of customer needs:

Bulk hydrogen supply

  • Tube trailer filling up to 180, 250, and 520 bar

On-site hydrogen fuel cell vehicles

  • 350 bar (full fill)
  • 700 bar (¾ fill)

Location

  • Markham, Ontario electrolyzer facility

Power-to-gas innovation

Located in Markham, Ontario, Canada, the Power to Gas facility can convert electrical energy from renewable sources into hydrogen, which can then be blended into the natural gas system to help balance Ontario’s electricity supply and demand.

Read story

Hydrogen blending

Enbridge Gas is currently providing a blend of hydrogen and natural gas to 4,400 customers in Markham, Ontario as part of a pilot program to validate the reduction of carbon in our natural gas system.

Low-carbon transportation

Enbridge Gas worked with Mississauga Transit, CUTRIC, Cummins, Ballard, New Flyer, and all three levels of government to potentially deploy ten hydrogen fuel cell electric buses in the city of Mississauga.

Read story

Aligned with provincial and national strategies

Our work supports broader energy strategies shaping Ontario and Canada’s energy future:

Looking ahead: Expanding hydrogen solutions

We’re continuing to work with partners across industries, municipalities, and communities to expand how hydrogen can support Ontario’s energy future.

Hydrogen can support a range of customers and applications, including:

  • Industrial customers
    Reduce emissions in manufacturing and processing
  • Transportation providers
    Enable cleaner fuel options for fleets and heavy-duty vehicles
  • Communities and partners
    Explore local energy solutions and innovation projects

Contact our team about hydrogen solutions



Frequently asked questions

Zero emission vehicles are vehicles that release no tailpipe air pollution. Examples include battery electric vehicles, which are recharged with electricity,  and hydrogen fuel cell vehicles, which run on electricity from a fuel cell using compressed hydrogen. To learn more about zero emission vehicles, visit Zero-emission vehicles (ZEV) - Washington State Department of Ecology

Yes. Safety is always the top priority at Enbridge Gas. Hydrogen is non-toxic and non-poisonous, and when handled properly, it can be safely blended into the natural gas system. Enbridge Gas has decades of experience operating over 150,000 km of pipelines and a strong track record of providing safe, reliable service. Natural gas remains one of the safest fuels in use today, and our commitment to safety extends to all new technologies, including hydrogen blending.

Enbridge Gas began blending up to two percent hydrogen by volume into the natural gas system as part of a pilot project. This approach builds on similar initiatives in North America and Europe and was launched in 2021 after extensive study and preparation to ensure safety and reliability.

In a measured amount, hydrogen blends seamlessly into the existing natural gas system, with no changes to reliability or the quality of service. You’ll continue to be able to heat your home and water safely. The amount at which Enbridge Gas is blending hydrogen will have no adverse effects on your certified appliances.

Approximately nine to twelve litres of water is used to produce one kilogram of hydrogen and about eight kilograms of oxygen.

1 Electricity is supplied from the Ontario electricity grid. Hydrogen does not produce carbon dioxide when combusted and is considered a lower-carbon energy solution.