Client • Fulton Hogan on behalf of Wellington Water
Location • Te Mārua Water Treatment Plant, Upper Hutt
Duration • 2.5 Years
Te Mārua Optimisation Project
The Te Mārua Optimisation Project involved extensive electrical and control upgrades across multiple treatment processes to improve plant performance, reliability and future capacity.
Stewart Electrical delivered electrical installations and commissioning across numerous plant renewals, supporting one of Wellington's most significant water treatment upgrades.
Project Deliverables
CO₂ storage and dosing upgrades
Lime silo and control systems
POLY/PACL batching and dosing systems
Chlorine storage and dosing expansion
Caustic dosing upgrades
Carbon batching plant
Wastewater centrifuge installation
Conveyor and load-out control systems

