Tetra Tech has been selected by EirGrid plc to design and deliver ground investigations and engineering analysis for both onshore and offshore segments of Ireland’s expanding transmission and distribution network. The engagement is a multi‑year contract, although the financial value has not been disclosed. The work will leverage Tetra Tech’s proprietary cloud‑based software for geotechnical and environmental surveying, positioning the company to provide data‑driven solutions across the project’s lifespan.
Ireland is investing €3.5 billion in its electricity grid from 2026 to 2030 to meet an 80 % renewable electricity target by 2030 and to strengthen energy security. The EirGrid contract is a key component of that plan, enabling the country to integrate more renewable generation and to support the long‑term reliability of its power system.
Tetra Tech’s Q4 2025 results underscored the company’s ability to capitalize on this opportunity. Net revenue rose 10 % to $1.16 billion, driven by strong demand in core consulting segments and disciplined cost management. Adjusted earnings per share increased 29 % to $0.44, beating analyst expectations of $0.40 by $0.04. Operating income grew 23 % to $168 million, reflecting margin expansion from higher‑margin service mix and operational leverage. For fiscal 2025, the company reported record net revenue of $4.62 billion and adjusted EPS of $1.56, both up 10 % and 24 % respectively from the prior year.
Dan Batrack, Chairman and CEO, said the company is “looking forward to using our Leading with Science approach to support EirGrid in delivering this historic project and creating future‑proofed energy security for communities and businesses across the country.” He added that the Q4 results demonstrated the firm’s continued ability to generate high‑margin growth while maintaining disciplined execution.
The EirGrid contract represents a significant new revenue stream for Tetra Tech and reinforces its position as a trusted partner for national grid operators. By aligning with Ireland’s renewable energy strategy, the project not only supports the country’s climate goals but also positions Tetra Tech to capture long‑term, multi‑year work in a growing global market for grid modernization.
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