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The document discusses how water utilities can reduce greenhouse gas emissions and costs through optimizing pumping operations. It notes that water utilities are large energy users and pumping accounts for most of their energy consumption. The Global Warming Solutions Act of 2006 (AB 32) sets emissions reduction targets for California. Adaptive optimization software can dynamically schedule pumps for maximum efficiency, reducing energy use by 6-9% on average across various utility case studies. This leads to significant cost savings and reductions in greenhouse gas emissions to support California's climate change goals.
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299
- 1. Support AB32 GHG Reductions and Save Cost As Well? Wayne Spittal AWWA CA/NV Section Spring 2008, Hollywood CA
- 7. Typical Power Use in Water Distribution Up to 95% of energy consumption is used for pumping
- 8. Pump Life-Cycle Costs Electric motors driving pumps are not necessarily efficient Purchasing decision lead by lowest up from cost, not efficiency
- 11. Real-time pump performance Pumps operate over a range of system curves
- 12. Real-Time Pump Performance Figure Telemetry Data overlaid on pump curve
- 13. Variable Speed Pump Performance
- 15. Key Energy Management Modules Water Utility SCADA System Operator Panel 201 Solver / EPAnet 208 Operations Simulator 209 PC on LAN Application Manager 218 PC on LAN Primary Database Backup Database Aquadapt Primary Database (Live Server) Aquadapt Back-up Database (Historical Server) Dashboard 210 PC on LAN Data Cleaner 206 SCADA Interface 203 OPC Current day / real-time
- 17. The Aquadapt optimizer has achieved significant efficiency gains
- 18. This affect was seen system wide
- 23. Before and After Pump Performance
- 26. Water Utility Case Studies Installed in some of the largest US cities, some operating since 2004 Utility System under Optimization Storage tanks Pressure zones Pump stations Pumps Auto Valves Total Utility Population East Bay MUD, CA – Stage 1 28 26 20 66 4 1.3M Washington Suburban SC, MD 57 15 18 81 25 1.7M WaterOne, KS 25 3 26 84 11 0.4M Eastern Municipal WD, CA – Stage 1 26 13 26 62 2 0.6M Eastern Municipal WD, CA – Stage 2 68 44 58 143 9 0.6M
- 27. Utility Case Studies – GHG Reduction Greenhouse gas reductions through efficiency improvements Water Utility System Average MWh per Year Average Efficiency Gain under Derceto Optimizer EPA eGRID 2004 CO2 Emissions (Tons/MWh) Extrapolated CO2 Reduction per Year (Metric Tons) Annual Energy Cost Savings EBMUD 26,000 6.1% 0. 502 800 13% EMWD Stage 1 7,000 8.4% 0. 515 300 (excl. gas) 10% Stg 1 15% Stg 2 WSSC 99,000 8.3% 0. 547 4,500 11% WaterOne 94,000 6.0% 0. 845 4,800 20%