Energy Innovation News

Everything You Need to Know About Green Hydrogen

By
Gexa Energy
April 26, 2023
|
3
minutes read
By
Gexa Energy
Publication Date:
January 9, 2024
Last updated:
January 9, 2024

The quest for cleaner energy has become a global movement, and at the heart of this journey is a new player: green hydrogen. But what is green hydrogen, and why is it making waves in the energy world? In this article, we’ll define green hydrogen, how it’s used, and the impact it’s having.  

What is green hydrogen, and how is it obtained?

In simple terms, green hydrogen is a clean fuel created by splitting water into hydrogen and oxygen using renewable electricity. Unlike its grey and blue counterparts, which are sourced from natural gas and fossil fuels, green hydrogen production relies on renewable energy sources. Through a process called electrolysis, an electrical current breaks down the water molecule into its constituent parts using electrodes. This process is powered by renewable energies such as wind or solar.

Hydrogen as clean energy

Hydrogen has long been viewed as a potential clean energy source, with its only by-product being water when used as fuel. However, what makes green hydrogen exceptionally potent in the clean energy arena is its green method of production. As it uses renewable energy sources, it boasts renewable energy benefits such as reduced carbon footprint and renewable energy health benefits. In essence, green hydrogen carries the promise of a zero-pollution index, which can be a game-changer in the fight against climate change.

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Advantages and disadvantages of green hydrogen

Advantages of using green hydrogen as a fuel:

  1. Decarbonization: A significant advantage is its role in decarbonizing sectors that previously relied heavily on fossil fuels. It’s pivotal in the larger goal of global decarbonization set for 2050.
  1. Energy Storage: Green hydrogen provides an innovative solution for energy storage, offering a way to store excess energy produced from renewable sources.
  1. Versatility: Beyond being used as just a fuel, green hydrogen has the potential to act as a raw material in various industries.

Drawbacks of green hydrogen:

  1. Production Cost: Producing green hydrogen can be more expensive than grey or blue hydrogen due to the costs associated with renewable energy infrastructure.
  1. Storage and Distribution: Storing and transporting hydrogen requires specialized infrastructure, which is still in development.

What is green hydrogen used for?  

Green hydrogen fuel has a vast array of applications:

  1. Electricity and Drinking Water Generator: Green hydrogen can produce electricity and potable water when used in fuel cells.
  1. Transport and Mobility: It can serve as fuel for vehicles, reducing emissions in the transportation sector.
  1. Industrial Processes: It can replace fossil fuels in steel and chemical production sectors.

Impact of green hydrogen

Green hydrogen can be instrumental in achieving sustainable energy transitions and zero-emission economies. By replacing fossil fuels in hard-to-decarbonize sectors, it addresses over 2% of total global CO2 emissions. Given its potential, there is a growing global momentum to harness its benefits fully.

Green hydrogen for energy transition: Why it’s so important

Green hydrogen’s potential lies in its ability to act as an alternative fuel and as an energy storage system. With the climate crisis looming large, using green hydrogen can substantially reduce our dependence on fossil fuels, marking a significant step towards a sustainable energy future.

In conclusion, green hydrogen emerges as a beacon of hope as the world grapples with climate change challenges. By understanding its potential and working towards overcoming its current drawbacks, we can pave the way for a cleaner, greener future.

FAQs About Green Hydrogen

What is green hydrogen in simple terms?  

Green hydrogen is a clean fuel produced from water using renewable energy.

What are the disadvantages of green hydrogen?  

High production costs and challenges in storage and distribution are among the main disadvantages.  

What are the main green hydrogen uses?  

It’s used as fuel for vehicles, in electricity generation, and as a replacement for fossil fuels in various industries.

Is green hydrogen good or bad?  

Green hydrogen is good for the environment as it offers a sustainable energy solution with zero emissions.

Which country is currently the largest producer of green hydrogen?  

As of mid-2023, Australia, the US, and Spain are expected to be the top three producers of green hydrogen by 2030, followed by Canada, Chile, Egypt, Germany, India, Brazil, and Morocco. Australia currently has the largest number of green hydrogen production plants in the world. China is building the world’s largest solar-powered green hydrogen factory in Xinjiang, which is expected to produce 20,000 tons of hydrogen per year using renewable energy sources. The Chinese company Sinopec aims to generate 500,000 tons of green hydrogen by 2025.  

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Gexa Energy purchases renewable energy credits (RECs) from renewable generation resources throughout North America to match 100% of the energy sold under your electric plan. The RECs Gexa purchases represent the renewable attributes of power generated from a variety of renewable energy sources, including, but not limited to, the sun, wind, geothermal, hydroelectric, wave or tidal energy, and biomass or biomass-based waste products, including landfill gas.