The Moa Point Sludge Minimisation Facility is a proposed new wastewater treatment facility in Wellington. The project aims to reduce the amount of sewage sludge created though wastewater treatment and transform it into a safe, reusable project while reducing emissions and waste to landfill.
The scope of the project includes:
- construction of a wastewater treatment plant
- construction of a three-story processing building, and
- construction of an anearobic digestion system.
Key Dates
| Jul 2023 | Contract Award |
| Nov 2023 | Construction Commencement |
| 2026 | Expected Construction Completion |
Funding contributions
| User charges | |
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The project is being funded by Wellington City Council ratepayers through a levy put in place from August 2024 for 33 years to collect up to the NZ$400 million estimated total cost. The levy applies to all residential and commercial ratepayers, with properties directly connected to the facility paying a higher levy. |
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Procurement
| Procuring Agency: | Wellington City Council |
| Successful Tenderer: | Joint Venture of HEB and McConnell Dowell |
| Related contracts: |
PROJECT HISTORY
| Jun 2022 | The preliminary business case for the proposal was approved by Wellington City Council. |
| Dec 2022 | The project received development approval from Wellington City Council. |
| Jul 2023 | A McConnell Dowell and HEB Construction Joint Venture was awarded the contract to deliver the project. |
| Aug 2023 | Site preparation began for construction including hill excavation. |
| Aug 2023 | Wellington City Council gained approval to raise up to $400 million to fund the construction of the facility through the Infrastructure Funding and Financing Act 2020. |
| Nov 2023 | Construction commenced on the project. |
| Dec 2023 | Wellington City Council reached contract close with the Joint Venture of HEB and McConnell Dowell for the third and final stage of the project in December 2023. |
| Aug 2024 | Wellington City Council commenced the levy on all ratepayers to pay for the approximately NZ$400 million construction of the facility. Properties connected to the Moa Point and Karori wastewater treatment plants are to pay a higher levy. The levy will be collected for a period of 33 years, commencing 1 July 2024. The cost of the levy will increase annually up to 2027-28. |
