By Arlene Fetizanan | Senior Program Manager
Since the last report, the Alliance to Save Energy was awarded additional funds from the Energy Efficiency Partnership (EEP) to further support our project in the Nelson Mandela Bay Municipality. The EEP promotes renewable energy, energy efficiency and clean technology investments. Out of the 148 project concept papers EEP received, the Alliance’s concept note was one of 28 chosen to complete a full proposal.
While this additional funding will offset some of the costs of the project, the Alliance team is in need of continued financial support in order to complete the project. After successful implementation in the Nelson Mandela Bay Metropolitan Municipality, this model could be used to expand into other municipalities in South Africa – reaching far more than the original 1 million people in the NMBMM.
Overview of Proposal submitted to EEP
The Alliance proposes to implement a municipal pumping efficiency project that would involve the detailed assessment, measurement and calculation of potential energy savings, design of remedial work and partial implementation of efficiency interventions in water and sewer pump stations using a performance contracting approach in which accrued savings over an agreed to period are used to finance the required intervention measures; this contracting mechanism would also include an operations and maintenance period. The project would initially be implemented in Nelson Mandela Bay Metropolitan Municipality in order to refine the methodology and demonstrate success, thereafter with potential to expand and scale up to the other metropolitan municipalities in South Africa.
Proposed efficiency interventions could include optimizing pumping operations and supply zones, replacing plant and equipment, redesigning and replacing switchgear, rescheduling pumping operations, and returning pumps to best efficiency point.
This project will lead to far-reaching, fundamental changes in the operation and maintenance of pump stations at the local government level, with benefits to the economy, local government, demand for electricity, and also measurable mitigation of international concerns relating to greenhouse gas emissions. Due to improved maintenance of the pumping infrastructure, downtime and failure of pump stations will be minimized and thus additional environmental benefits relating to the avoidance of sewage spillage and water quality of natural watercourses will also be achieved.
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