ANDRITZ Wins Major Hydropower Upgrade Contract in New Zealand

Why It Matters

The project lifts New Zealand’s hydro output by around 20%, reinforcing renewable supply and showcasing ANDRITZ’s growing role in the Asia‑Pacific clean‑energy market.

Key Takeaways

• ANDRITZ to supply nine turbines and 13 generators for NZ upgrades
• Project adds 76 MW capacity, boosting hydro output by ~20%
• Contract worth roughly €120 million ($130 million) recorded Q1 2026
• Upgrades target 87 GWh extra annual generation, enhancing reliability
• Strengthens ANDRITZ’s foothold in New Zealand’s renewable market

Pulse Analysis

New Zealand’s electricity grid relies heavily on hydro, with the Waikato Hydro System contributing roughly 10% of national generation. Mercury NZ’s portfolio, which supplies about 20% of the country’s power, is undergoing a systematic refurbishment to keep aging infrastructure competitive against a backdrop of 85‑90% renewable penetration. Modernising plants originally built in the mid‑20th century is essential not only for maintaining supply stability but also for meeting the country’s climate commitments and water‑flow environmental standards.

The ANDRITZ contract introduces state‑of‑the‑art electromechanical equipment, including nine high‑efficiency turbines and 13 advanced generators manufactured in Austria. By increasing installed capacity from 376 MW to 452 MW and adding roughly 87 GWh of annual output, the upgrade will improve plant capacity factors and reduce downtime. The project’s €120 million price tag—about $130 million—reflects the premium on bespoke turbine design and comprehensive services covering design, installation, testing and commissioning, underscoring the value of end‑to‑end solutions in the hydropower sector.

Beyond the immediate performance gains, the deal signals ANDRITZ’s deepening foothold in the Asia‑Pacific renewable market. Securing its fourth major contract with Mercury, the company reinforces its reputation as a go‑to supplier for large‑scale hydro refurbishments. This momentum aligns with global trends where utilities prioritize asset life extension over new builds, offering a cost‑effective pathway to meet rising electricity demand and decarbonisation targets. For investors and industry observers, the contract highlights the commercial viability of modernising legacy hydro assets as a cornerstone of sustainable energy strategies.