CWTP Biogas Storage Upgrade

The Christchurch Wastewater Treatment Plant (CWTP) Biogas Storage Upgrade project is required to improve health, safety, and environment through the renewal and replacement of all existing Biogas pipework and installation of new gas storage membrane.

This is a $15.3M water & waste project across Christchurch, currently in progress.

The Christchurch Wastewater Treatment Plant (CWTP) Biogas Storage Upgrade project is required to improve health, safety, and environment through the renewal and replacement of all existing Biogas pipework and installation of new gas storage membrane. This will increase the biogas storage capacity, which will be used to produce electricity for the operation of the plant.

Why This Project Matters

Reliable wastewater infrastructure protects public health and the environment. This $15.3M investment is part of the council's long-term programme to maintain and upgrade the below-ground network serving all Christchurch residents.

Latest Update

Project is currently underway. Progress is reported through the CCC capital programme tracker.

Budget Details

DetailValue
Total Budget$15.3M
CategoryWater & Waste
WardCitywide
StatusIn Progress

Data & Sources

Budget and project data: CCC Long Term Plan 2024–2034, orbviz.com capital programme API. Budget figures from CCC capital programme. Scope and status from official CCC communications and council agenda reports. Data as at March 2026.

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