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Gas Networks Ireland Appoints New CEO Amid Energy Transition

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  Published in Travel and Leisure on Friday, February 13th 2026 at 7:39 GMT by RTE Online
      Locales: None (Nationwide), Leinster, IRELAND

Dublin, Ireland - February 13th, 2026 - Gas Networks Ireland (GNI) today announced the appointment of John O'Sullivan as its new Chief Executive Officer, effective March 1st, 2026. The move comes as the company navigates a crucial period of energy transition, aiming to adapt its infrastructure for a future increasingly reliant on renewable energy sources. O'Sullivan succeeds Denis Kiely, who is retiring after a decade of leadership at the helm of GNI.

The appointment of O'Sullivan signals a clear commitment from GNI to embrace innovation and sustainability. While natural gas currently plays a significant role in Ireland's energy mix, the long-term goal is to decarbonize the network and incorporate renewable gases like biomethane and, potentially, hydrogen. O'Sullivan's extensive experience in the energy sector positions him well to lead this complex transformation.

The Energy Transition and GNI's Role

Ireland, like many nations, is striving to meet ambitious climate action targets. Reducing reliance on fossil fuels is central to these goals, and the gas network presents both challenges and opportunities in this regard. GNI recognizes the need to evolve beyond solely transporting natural gas and is actively investigating the potential of renewable gas alternatives. Biomethane, produced from organic matter like agricultural waste, offers a readily available and sustainable pathway to reducing carbon emissions. Hydrogen, though requiring significant infrastructure upgrades, is seen as a longer-term solution for fully decarbonizing the gas network.

According to recent reports from the Sustainable Energy Authority of Ireland (SEAI), the injection of biomethane into the national gas network could potentially displace up to 45% of Ireland's current natural gas demand. This would require a substantial increase in biomethane production facilities and the development of infrastructure to connect these facilities to the GNI network. GNI has already initiated several pilot projects focused on biomethane injection, demonstrating its commitment to exploring these technologies.

John O'Sullivan: A Profile of Experience

Details regarding O'Sullivan's previous roles remain confidential at this time, however, GNI has confirmed his background encompasses significant experience in strategic planning, infrastructure development, and the integration of renewable energy technologies. Industry insiders speculate his expertise lies in the management of large-scale energy projects and navigating the regulatory landscape surrounding renewable energy deployment.

"I am delighted to join Gas Networks Ireland at such a pivotal time for the energy sector," O'Sullivan stated. "I am committed to ensuring the safe and efficient operation of gas networks and to exploring renewable gas solutions for the future." His focus on both operational efficiency and future-proofing the network suggests a pragmatic approach to the energy transition. He will likely prioritize maintaining the reliability of the existing gas supply while simultaneously investing in the infrastructure necessary to accommodate renewable gases.

Denis Kiely's Legacy

Kiely's decade-long tenure as CEO saw significant investments in upgrading and expanding Ireland's gas network. These investments have improved network reliability, increased capacity, and facilitated the connection of new customers. He oversaw several key projects, including the expansion of the network to serve growing industrial and residential areas.

Ronan McGrade, GNI Board Chair, praised Kiely's leadership, stating, "Denis has been instrumental in shaping Gas Networks Ireland into the critical infrastructure provider it is today. His vision and dedication have been invaluable."

Challenges Ahead

While the transition to renewable gases offers a promising pathway to decarbonization, several challenges remain. The cost of biomethane production, the need for significant infrastructure investment to transport and store renewable gases, and the development of appropriate regulatory frameworks all present hurdles. GNI will need to work closely with government, industry stakeholders, and consumers to overcome these challenges.

The successful integration of renewable gases into the national network also requires addressing concerns regarding gas quality and ensuring compatibility with existing appliances. GNI is actively researching and developing technologies to address these technical challenges.

O'Sullivan's leadership will be crucial in navigating these complexities and ensuring that Gas Networks Ireland plays a vital role in Ireland's journey towards a sustainable energy future. The coming years will undoubtedly be transformative for the company, as it pivots from a traditional gas distribution operator to a key enabler of a cleaner, more resilient energy system.