Tetra Tech Selected to Support Ireland’s Resilient Energy Infrastructure Expansion
Tetra Tech, Inc. (NASDAQ: TTEK), a global leader in high-end consulting and engineering services spanning water, environmental solutions, and sustainable infrastructure development, has been awarded a major role in supporting the future of Ireland’s electric grid. The company announced that EirGrid plc — Ireland’s state-owned national transmission system operator — has selected Tetra Tech to provide comprehensive engineering support as the country undertakes critical expansion of its electricity transmission and distribution network across both land and offshore environments.
This initiative reflects Ireland’s accelerated commitment to energy security, climate action, and the transition to a sustainable, resilient power system that can support rapidly growing renewable generation. With electricity demand projected to rise significantly over the next decade — driven by population growth, electrification of transport, adoption of heat pumps, and digitization efforts including data center expansion — Ireland is moving quickly to modernize and reinforce its grid infrastructure. EirGrid’s long-term system plans outline the need for substantial new transmission capacity, green energy integration, and innovative technologies that ensure clean, reliable power reaches all regions of the country.
As part of this effort, Tetra Tech’s multidisciplinary energy engineering team will deliver detailed ground investigations, advanced geotechnical studies, and environmental analysis to lay the foundation for constructing critical onshore and offshore assets. These include high-voltage transmission lines, submarine cables, substations, and associated civil works necessary to support the increasing share of renewable energy and secure Ireland’s electricity supply far into the future.
A key strength Tetra Tech brings to the project is its proprietary cloud-based digital engineering platform. This leading-edge software integrates geophysical surveying, data analytics, and environmental monitoring in real time, allowing for enhanced project insights, improved safety across work sites, and streamlined decision-making. Through optimized data collection and validation workflows, Tetra Tech can help reduce construction risk, minimize environmental impacts, and accelerate delivery of essential grid upgrades.
The company’s services will also ensure that engineering design is aligned with global best practices in sustainable development. Ground conditions across Ireland vary widely — from peatland ecosystems and coastal zones to rocky upland terrain — requiring sophisticated analysis to support infrastructure resilience. Tetra Tech’s experience working in these environments will support Sitka-solid foundations for Ireland’s growing network of power assets while maintaining careful stewardship of landscapes and biodiversity.
Dan Batrack, Chairman and CEO of Tetra Tech, underscored the significance of the partnership and the company’s commitment to Ireland’s long-term energy transformation:
“Tetra Tech has decades of experience supporting our clients in Ireland to advance resilient infrastructure,” Batrack said. “We look forward to using our Leading with Science® approach to support EirGrid to deliver this historic project and create future-proofed energy security for communities and businesses across the country.”
This award builds on Tetra Tech’s strong and expanding presence in Ireland, where the company has been actively involved in environmental management, clean water solutions, coastal resilience planning, and renewable energy developments. The company’s trusted reputation and technical expertise position it as a key contributor to Ireland’s strategic infrastructure goals.
Supporting Ireland’s Renewable Energy Future
Ireland has set ambitious national climate objectives aligned with European Union targets, including a legally binding goal to transition to a net-zero greenhouse gas emissions economy by 2050. Central to this effort is transforming how electricity is generated and consumed. The Irish government aims for up to 80% of electricity consumption to come from renewable sources by 2030, with a major emphasis on offshore wind — particularly in the North Atlantic and Irish Sea.
These aggressive targets require the transmission network to evolve rapidly. New infrastructure must accommodate fluctuating renewable generation, strengthen interconnections between regions, integrate grid-scale energy storage, and reinforce international ties through future interconnectors. By providing engineering design and subsurface analysis for grid expansion, Tetra Tech will help unlock the full potential of Ireland’s renewable resources and support the delivery of cleaner and more reliable power.
Resilience and Community Benefits
Beyond enabling clean energy, the project will expand electricity access, enhance system reliability, and ensure that rural and underserved communities have dependable power to support economic growth and technological progress. As more energy-intensive industries and data centers invest in Ireland’s innovation-driven economy, the transmission and distribution systems that fuel this growth must be ready to meet demand.
The infrastructure upgrades also aim to reduce dependence on imported fuels and mitigate vulnerabilities exposed by global energy disruptions. Climate-resilient engineering design will play a critical role in protecting the grid from increasingly intense storms, coastal erosion, and other impacts linked to climate change.
A Partnership for National Infrastructure Transformation
By working alongside EirGrid as a trusted engineering partner, Tetra Tech will help deliver a more efficient, sustainable, and resilient energy landscape for Ireland. The collaboration aligns both organizations behind a shared mission: enabling secure and equitable access to clean energy for every citizen and business in the country.
Tetra Tech’s Leading with Science® approach ensures that the solutions developed today are guided by deep technical knowledge, digital innovation, and a strong environmental ethic — helping Ireland prepare for the challenges and opportunities of tomorrow’s energy future.
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