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Greenhouse Gas Reduction as an Additional Benefit of Optimal Pump Scheduling for Water Utilities

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Abstract:

Operations Optimisers, and their subset Pump Scheduling Systems for water utilities target load movement from peak to off-peak periods chasing the tariff differential to achieve energy cost savings. Derceto Aquadapt is a holistic solver and also chases energy efficiency improvements achievable from operating pumps at more efficient points on their pump curves. Energy efficiency gains of 6% to 11% have been consistently achieved in client installations. A side benefit of efficiency improvement is a consequent reduction in the Green House Gas footprint of the utility. These savings are not trivial; the US water utility could reduce its CO2 footprint by 1.5 million tonnes per year or more. Savings from energy efficiency improvements and load management for 4 utilities are presented. These use the Derceto Aquadapt operations optimisation software package, a complex real-time and fully automatic production, pump and valve scheduling system designed to minimize energy cost while maintaining water quality.

Keywords: CARBON FOOTPRINT; GREEN HOUSE GASES; PUMP SCHEDULING OPTIMISATION

Document Type: Research Article

DOI: http://dx.doi.org/10.2175/193864707787452462

Publication date: October 13, 2007

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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