This presentation premiered at WaterSmart Innovations · 2019-12-10 · • Based in digital...
Transcript of This presentation premiered at WaterSmart Innovations · 2019-12-10 · • Based in digital...
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This presentation premiered at WaterSmart Innovations
watersmartinnovations.com
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Title of PresentationPresentation Date
Name of Person, Assistant DirectorOctober 3rd, 2019Robert Stefani
Granularity, Who Needs It:Understanding the Role of Data and Conservation Potential
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• 100% surface water from Lower Colorado River
• Firm water rights backed by stored water contract up to 325,000 acre-feet
• Prepayment agreement up to 201,000 acre-feet• 2018 withdrawal ~ 149,000 acre-feet
• Large metropolitan utility• ~ 548 sq miles• ~ 223,000+ connections• ~ 3,807 miles of mains • ~ 1,000,000 customers• ~ 1,100 employees
About Austin Water
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What is Granularity
“The granularity of data refers to the size in which data fields are sub-divided.”
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Why is granularity important to demand management
“If you can not measure it, you can not manage it.”-Peter Drucker
• Allows for advanced conservation techniques:
• Disaggregation of end-uses
• Premise Leak Detection
• System Water Loss Analysis
• Stand alone Customer Engagement tool
• Data Stream to Customer Relationship Management (CRM) Platforms
• Precise quantification of program effectiveness
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Evolution of Meter Technology• No metering
• Coin Operated Meters
• Analog Meters• Positive displacement (PD)• Static
• Ultra-Sonic• Turbine
• Digital Meters• Advanced Metering Infrastructure (AMI)• Automatic Meter Reading (AMR)
• Positive displacement• Static
• Ultra-Sonic• Turbine
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Granularity and Resolution• Granularity, also referred to as Resolution
• Granularity has in inverse relationship to Resolution• Low Granularity is the same as High
Resolution
• Four levels of Resolution• No Resolution• Low Resolution• Medium Resolution• High Resolution
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No Resolution• Typically, no meter infrastructure• No volumetric reads• Allocation methodology• Typically, no volumetric relation
Advantages:• Low Overhead Cost• No O&M Costs• No Digital Infrastructure• Simplified Billing Structure
Disadvantages:• No volumetric detail• No volumetric baselines• No tiered volumetric rates• Difficulty with quantifications• Difficulty with end-user
engagement• No real time reporting• No disaggregation
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Low Resolution• Typically, analog technology• Reads: Quarterly, Monthly• Typically, relates to volumetric consumption • Records in gallons
Advantages:• Typical Overhead Cost• Typical O&M Costs• Industry Standard• Large Selection of Vendors• No Digital Infrastructure • Tiered Volumetric Rates• Low Level Disaggregation
Disadvantages:• Low level disaggregation of use• Difficulty with quantifications• Low level of volumetric detail• No real time reporting• Customer issues difficult to
address
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Medium Resolution• Typically, digital technology• Reads: weekly, daily,
hourly,15 minute • Records in gallons
Disadvantages:• High Overhead Costs• High O&M Costs• Staff Training Needed• Network Outages
Advantages:• Real Time Reporting• Real Time Alerts• More Precise Quantifications• Varying Levels of Granularity • Medium Level of Volumetric Detail• Ease of Customer Engagement
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High Resolution • Based in digital technology• Minute or sub-minute resolution• Records sub-gallon volume
Advantages:• Fixture based disaggregation• Real Time Reporting • Real Time Alerts• Precise Quantifications• Varying levels of granularity • High level of volumetric detail• Ease of customer engagement
Disadvantages:• High Overhead Costs• High O&M Costs• Staff training needed• Network Outages
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Hardware• Ancillary Attachable Devices
• Data Logger• Sensor Based Device• Optical Reader
• In-line Devices• Analog Meter• Digital Meter • SCADA Type Systems• Flow Sensors
• Stand Alone• Fixture Based• Irrigation Only• Whole House
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Software Platforms• Meter Vendor Supplied Platforms
• Typically has administrative based applications• Platform typically provided with hardware
• Third Party Platforms• Typically has end-user focused and administrative
applications• Competitive additional cost• Integration with existing data streams necessary
• In House Platforms• Typically has end-user focused and administrative
applications• Variable additional cost• Integration with existing data streams necessary
• Custom Platforms• Typically has end-user focused and administrative
applications• High additional cost• Integration with existing data streams necessary
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The Future of Data Granularity• Integration with CRM platforms
• Fixture Level Disaggregation
• Consumer Electronics
• Home Automation Packages
• Second Generation Smart Irrigation Controllers
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Program opportunities
• Home Audit Kit
• Diagnostic Tool
• Leak Detection
• System Water Loss
• Customer Satisfaction
• Meter Sizing
• Water Restrictions Enforcement
• Firm Quantifications
• Non-Potable Water Budgeting
• Water Use Monitoring Rebates
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Lessons Learned
• Due diligence required
• Consultant or Third Party guidance preferred
• Design system based on local need
• Future proof selected technology
• Look for overlap opportunities with energy provider
• Be innovative with network deployment
• Be careful with 1st generation technology
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Next Steps for Granularity
• Open source fixture level disaggregated algorithms
• Roll up disaggregation algorithms
• Standardization of data streams
• Expansion of sensor technology
• Overlap with water quality monitoring
• Customer Relationship Management Platform integration
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