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SMART METER TRIAL Residential Water Efficiency Dr Martin AndaPrincipal Engineer Sustainability, ENV Australia Pty Ltd Chair Environmental Engineering, Murdoch University 1
Outline• H2omeSmart Program• The Smart Meter Trial – Implementation – Participating households – Engagement Strategies – Data Analysis – Participant feedback – Future Lessons 2
Perth H2omeSmartAim: 12% water use reduction in 10,000 householdsMethods: – Target 18 high use suburbs – Database 33,000 O/Os – Apply CBSM techniques – July 2011 – Aug 2012 – Invitation to participate, media – Meter reading, feedback letters, eco-coaching – Waterwise fixtures retrofit for pensionersOutcomes: Projected savings 10% by 10,949 households.
Benefits of Smart MeteringUtility• Eliminate manual meter reads• Ability to bill more frequently• Integrate asset management, customer account & billing systems in one database.Customer• Identification of leaks• Improved customer service experience• Water consumption more tangible 14
Smart or Advanced MeteringInfrastructure (SMI or AMI)All of the hardware, software andconnectivity required for a fully functionalsmart metering system. 15
Wireless Smart Water Meters• No cabling from meter back to switchboard.• Reduces installation costs• (No trenches or fixed wiring). 18
Value in CBSM BCPs• Actions can be directly linked to their consumption• Flexibility in level of engagement• Eco-coaching can be personalized and targeted• In-house display provides real-time data WATER SAVINGS! 19
The H20me Smart Trial1. Test how real-time water use monitoring and online feedback could be integrated into the Perth BCP.2. Test the use of real-time comparative/ normative feedback.3. Greensense was the industry partner. 20
Implementation - TechnologyGreensense Platform is a ‘multi-utility’ service.Greensense Process three parts;1. Collection of data2. Processing in real time3. Present data on GreensenseView dashboard 21
Implementation - Data Collection• Pulse head & data logger installed onto water meter at house.• Logger notes a pulse every 1L or 5L used.• Sends data through mobile 3G network 22
Implementation - Greensense View• Launch Smart Meter Challenge dashboard• Extract water consumption & # occupants data in number of formats.• Compare water consumption between weeks through a weekly profile• 5-minute interval profiles that showed specific end-uses to be identified (e.g. distinguishing toilet flush from shower from garden irrigation) 23
Implementation- Online Dashboard Water use in real time Daily weather/ Waterwise tips Competition between quintiles households 26
Participating Households• Selection criteria,• Selected participants offered meters.• 9 households accepted the offer• Pulse head and data logger also installed at Josh Byrne family home, ABC TV’s Gardening Australia. 27
Results: EngagementEngagement with dashboard lower than expected;• Letter & info packs sent as physical reminder of smart meter challenge (Round 4).• Phone calls to prompt dashboard use (Rounds 4 and 5).• Letter insert in response to participants forgetting log-in details/or not logged on to their dashboards (Round 5). 28
Results: Data Analysis• Heat Maps - help identify anomalies & patterns of water use.• Weekly Profile Comparison Reports - water use averages & maximums tabulated & graphed for 2 periods of time.• Nature of this program means water reduction cannot be solely attributable to real-time data through online dashboard. 29
Results - Water SavingsMost households made a water savings!Note: Season effect on consumption - large decrease in consumptioncoincides with winter & not direct result of smart meter installation. 30
Participant FeedbackInitial feedback encouraging:“We have been using the dashboard for just over a week now andhave been checking the dashboard on a daily basis. Seeing howwe compare to other households is very motivating. When we firstlogged in we were above the average now we are below and tryingto get lower - I dont know how they can use so little water - if youhave some insights please pass it on!.My partner has become very competitive about what we are callingthe "Shower Peaks" on the graph; he is trying to use less waterthan me for each shower. When we first started I used considerablyless water than him for showers now we are about even. So I thinkthis Greensense meter has really helped him monitor his waterusage because where I always think about my water usage henever did so it really has improved his water usage.” 31
Lessons for the future• Understanding meter limitations• Visual display of real-time data & analysis for households must be used carefully.• Effort required for successful engagement• Carefully integrate the dashboard & data into eco- coaching• Future programs can fully integrate smart metering with a CBSM BCP 32