Editorial Feature

How Does Green Hydrogen Impact Global Energy Security?

In a time when the importance of energy security cannot be overstated, green hydrogen rises as a key player in reshaping the global energy scene. This article explores how green hydrogen, a clean energy source derived from renewable resources, is essential in diversifying energy supplies, reducing reliance on fossil fuels, and enhancing global energy security.

green hydrogen, energy security

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Introduction to Green Hydrogen

Green hydrogen represents a groundbreaking advancement in renewable energy technologies. It is produced through the electrolysis of water, a process that separates water into hydrogen and oxygen using electricity derived from renewable sources, such as wind or solar power (International Energy Agency, 2023). This method ensures that hydrogen production is entirely free from carbon emissions.

As a versatile energy carrier, green hydrogen has the potential to significantly contribute to the decarbonization of various sectors, including transportation, industry, and power generation.

Its role in the renewable energy mix is increasingly significant, offering a sustainable solution to store excess renewable energy and reduce dependence on fossil fuels, thereby supporting global efforts toward a cleaner, more resilient energy future (International Renewable Energy Agency, 2022b).

Energy Security Overview

Energy security is a crucial aspect for nations, encompassing the reliable availability of energy resources at affordable prices (International Energy Agency, 2022b). It is critical because energy is foundational to maintaining economic stability, supporting societal needs, and ensuring national security.

Disruptions in energy supply can have profound implications, ranging from economic downturns to compromising national security.

Energy diversification plays a significant role in enhancing energy security. By incorporating a variety of energy sources, including renewables like green hydrogen, countries can reduce their vulnerability to supply disruptions and price volatility associated with traditional fossil fuels (World Energy Council, 2020).

Diversification also positions nations to transition more smoothly toward sustainable energy futures, mitigating the risks of climate change while ensuring a steady, secure energy supply.

Impact of Green Hydrogen on Energy Security

Green hydrogen could significantly enhance energy security by reducing dependency on fossil fuels and mitigating geopolitical risks associated with their supply (International Renewable Energy Agency, 2022b).

By harnessing renewable resources, such as solar and wind power, for hydrogen production, countries can localize energy production and reduce their reliance on imported fuels, which are often subject to geopolitical tensions and price fluctuations.

Green hydrogen also offers a stable and reliable energy supply, as it can be stored and transported for use when renewable energy generation is low.

Current projects exemplify green hydrogen's role in bolstering energy security. For instance, the European Union's Green Hydrogen Strategy aims to install at least 40 GW of renewable hydrogen electrolyzers by 2030, significantly contributing to the decarbonization of the energy system and reducing dependency on external energy suppliers (European Commission, 2020).

These initiatives demonstrate green hydrogen's potential to stabilize the energy supply and highlight its importance in achieving a secure, sustainable energy future.

Case Study Analysis

The International Renewable Energy Agency (IRENA) positions green hydrogen as a key element in the context of energy transformation and geopolitical shifts.

The agency's analysis highlights hydrogen's role within the broader energy transition, emphasizing its potential to decarbonize challenging to electrify sectors.

IRENA's insights suggest that the development of green hydrogen could usher in significant geopolitical and economic shifts, particularly for countries with abundant renewable resources, which could become major producers.

This shift toward green hydrogen necessitates a collective effort to navigate the uncertainties and capitalize on the opportunities presented by a burgeoning hydrogen market, which is crucial for achieving decarbonization goals and enhancing global energy security (International Renewable Energy Agency, 2022a).

On the other side, Siemens Gamesa emphasizes green hydrogen's critical role in Europe's energy security, especially in light of the vulnerabilities exposed by geopolitical tensions. The company outlines the necessity of ramping up renewable energy production to ensure energy security and meet climate goals. It stresses that industries not easily electrified can achieve decarbonization through green hydrogen.

Siemens Gamesa's call to action includes increasing renewable energy output, initiating green hydrogen infrastructure, and fostering a stable hydrogen market. This holistic approach aims to reduce reliance on imported fossil fuels, ensuring a secure, sustainable energy future for Europe (Siemens Gamesa, 2022).

Challenges and Opportunities of the Green Hydrogen Transition

The transition toward green hydrogen is fraught with challenges, primarily technological, economic, and infrastructure-related. Technologically, the efficiency of electrolyzers and the overall process of hydrogen production require advancements to reduce energy losses and increase output.

Economically, the high initial costs of setting up green hydrogen production facilities and the current price competitiveness compared to fossil fuels pose significant hurdles. Infrastructure-wise, the development of a comprehensive network for the transport and storage of hydrogen is critical yet challenging due to hydrogen's volatile nature (International Energy Agency, 2023).

However, green hydrogen presents substantial opportunities. It offers a pathway to decarbonize heavy industries and transport sectors, areas where reducing carbon emissions has been particularly challenging. Moreover, green hydrogen can enhance global energy security by providing a storage solution for renewable energy, balancing supply and demand, and reducing dependency on fossil fuel imports (International Renewable Energy Agency, 2022b).


Green hydrogen is set to transform global energy strategies and security significantly. This sustainable energy source offers a pathway to drastically reduce carbon emissions and decrease reliance on volatile fossil fuel markets, enhancing energy independence for countries worldwide.

As nations and industries prioritize sustainability, green hydrogen emerges as a critical tool in this transition, potentially stabilizing energy prices and fostering economic growth through new green industries.

Its role in supporting the integration of renewable energy sources into the grid addresses intermittency issues, making energy supplies more reliable. This shift toward green hydrogen signifies a major step in combating climate change, reshaping global energy policies, and fortifying security strategies, ensuring a cleaner, more resilient, and secure energy future.

Read More: The Benefits of Hydrogen Energy Hubs

References and Further Reading

European Commission. (2020). A hydrogen strategy for a climate-neutral Europe. [Online] Available at: https://energy.ec.europa.eu/system/files/2020-07/hydrogen_strategy_0.pdf (Accessed on 29 March 2024).

International Energy Agency. (2023). Hydrogen. IEA [Online] Available at: https://www.iea.org/reports/hydrogen (Accessed on 29 March 2024).

International Renewable Energy Agency. (2019). A New World: The Geopolitics of the Energy Transformation. International Renewable Energy Agency [Online] Available at: https://www.irena.org/publications/2019/Jan/A-New-World-The-Geopolitics-of-the-Energy-Transformation (Accessed on 30 March 2024).

International Renewable Energy Agency. (2022a). Geopolitics of the Energy Transformation: The Hydrogen Factor. International Renewable Energy Agency [Online] Available at: https://www.irena.org/publications/2022/Jan/Geopolitics-of-the-Energy-Transformation-Hydrogen (Accessed on 30 March 2024).

International Renewable Energy Agency. (2022b). Green hydrogen For Industry: A guide to policy making. [Online] Available at: https://www.irena.org/-/media/Files/IRENA/Agency/Publication/2022/Mar/IRENA_Green_Hydrogen_Industry_2022.pdf (Accessed on 29 March 2024).

Siemens Gamesa. (2022). Green hydrogen: a key to unlocking energy security in Europe. Siemens Gamesa [Online] Available at: https://www.siemensgamesa.com/en-int/newsroom/2022/06/060722-siemens-gamesa-press-release-green-hydrogen-european-energy-security (Accessed on 30 March 2024).

World Energy Council. (2020). World Energy Trilemma Index 2020. World Energy Council [Online] Available at: https://www.worldenergy.org/publications/entry/world-energy-trilemma-index-2020 (Accessed on 30 March 2024).

Disclaimer: The views expressed here are those of the author expressed in their private capacity and do not necessarily represent the views of AZoM.com Limited T/A AZoNetwork the owner and operator of this website. This disclaimer forms part of the Terms and conditions of use of this website.

Rachael Jones

Written by

Rachael Jones

Rachael Jones, a freelance writer with an MSc in Earth Science and a PGDip in Environmental Management, merges her extensive academic background with years of publishing and editing experience. Focused on digital marketing within the science and technology sectors, Rachael excels in creating compelling narratives that connect intricate scientific ideas with a wider online audience.


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