MyHEAT: Energy Made Visible - Geog 380 Guest Lecture PDF
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Uploaded by HotInfinity5397
University of Calgary
2023
Geoff Hay
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Summary
This document is a guest lecture on energy efficiency, specifically focusing on heat loss and visualization techniques. Dr. Geoff Hay discusses the MyHEAT program, which uses thermal imaging to map and assess heat loss in buildings, communities, and cities. The lecture details the program's vision, products, and research, including the use of machine learning.
Full Transcript
ENERGY MADE VISIBLE Dr. Geoff Hay University of Calgary, Alberta, Canada Department of Geography Guest Lecture: Geog 380 Email: [email protected] | Twitter: @DrGeoff2 Lab: www.ucalgary.ca/geovation Ⓒ G.J.Hay 2023 1 Overview § What is Heat? § In the Beginning… § Urban Energy Challenges § HEAT Uni...
ENERGY MADE VISIBLE Dr. Geoff Hay University of Calgary, Alberta, Canada Department of Geography Guest Lecture: Geog 380 Email: [email protected] | Twitter: @DrGeoff2 Lab: www.ucalgary.ca/geovation Ⓒ G.J.Hay 2023 1 Overview § What is Heat? § In the Beginning… § Urban Energy Challenges § HEAT University Research § MyHEAT Vision § MyHEAT Products § MyHEAT Utility example § MyHEAT R&D Ⓒ G.J.Hay 2023 2 What is Heat? – a thermal primer Thermal image of an ice-cube melting in a glass Photo courtesy of NASA/JPL-Caltech/IPAC § Everything above absolute zero (0K or -273.1°C) emits radiation in the infrared range of the electromagnetic spectrum § Any object that is hot, gives off energy known as Thermal Radiation (TR) § The Hotter an object is the, the more TR it emits Ⓒ G.J.Hay 2023 3 In the Beginning… Ⓒ G.J.Hay 2023 4 “The world wastes more energy than it uses every year.” Lawrence Livermore National Laboratory Ⓒ G.J.Hay 2023 5 The United States alone wastes 70,055 petajoules per year 70,055 petajoules/yr = $384,000,000* per day! *Natural Gas @ $2/GJ Ⓒ G.J.Hay 2023 6 Urban Energy Challenges § Worldwide buildings consume over 40% of all created energy resources while wasting in excess of 50% of the energy used. § Over the last 5 years, urban energy demand in Canada has risen nearly 20%. § On average, buildings emit 35% of all Canadian green house gasses and 10% of airborne particulate matter, use 33% of Canada’s total energy production and consume 50 % of Canada’s natural resources [1] of which the majority is used in space and water heating. Urban Waste Heat Source: G.J.Hay Calgary January 2011 ( -31C). [1] (CUI) Canadian Urban Institute, 2008, Energy Mapping Study Ⓒ G.J.Hay 2023 7 “Energy efficiency is the cheapest and most environmentally friendly source of energy” Northwest Power and Conservation Council: nwcouncil.org/7thplan Ⓒ G.J.Hay 2023 8 Energy Efficiency Obstacles § The most cited obstacle to energy efficiency improvements is the lack of interest. § Why? § Difficult to engage in something you cannot see. § Q: What does Energy Efficiency look like? § Q: What do GHGs look like? [1] http:://prmeetsmarketing.wordpress.com/2007/11/27/just-tell-me-you%E2%80%99re-not-interested/ Ⓒ G.J.Hay 2023 9 Feedback § “Meaningful user feedback enhances energy efficiency and significantly reduces energy consumption and GHG emissions.” (Darby, 2006). § What is ‘meaningful’? Source: GJHay - http://www.emonitor.com Ⓒ G.J.Hay 2023 10 Behavioral Science Social Norms “…individuals are motivated much more by their perceptions of what other people do and find acceptable than they are by other factors such as the opportunity to save money or conserve resources, contrary to even their own perceptions of motivation…” [2] Source: http://popularmoron.com [2] Carrol et al, (2009) Residential Energy Use Behavior Change Pilot Ⓒ G.J.Hay 2023 11 Early Science Questions What does energy efficiency look like? Where is energy efficiency located? How can a home-owner know if their home is energy efficient? How can municipalities know if their communities are energy efficient? How can we engage people’s perceptions to motivate them towards energy efficient behavior? Ⓒ G.J.Hay 2023 12 HEAT - University Research Program § HEAT – Heat Energy Assessment Technologies § 10+ Year's research § $1.6M in awarded funding § 10 Pieces of IP from UC § Training of 22+ HQP § 35+ Media Interviews § 10+ Publications § 90+ Conf. Presentations § 1 Patent (+1 Pending) Ⓒ G.J.Hay 2023 13 MIT- Climate CoLab 2013 Grand Prize Winner ($10K) § November 2013 - Won from over 400 contestants world-wide. § 35+ Media Interviews: Provincial, National, International. § Over 10 days received 40,343 visits, 110,962 page-views from 1017 cities in 97 countries in 38 different languages. § Interest from 6 core sectors: (i) Energy, (ii) Banks and Investment, (iii) Residential Construction, (iv) Real-Estate, (v) Information Technology and (vi) Governments/Municipalities § April 2014: MyHEAT was Born… Ⓒ G.J.Hay 2023 14 Energy Made Visible. Helping millions visualize home heat loss. Energy Made Visible. Helping millions visualize home heat loss. MyHEAT Vision & Mission ΩΩΩΩ House-scale TIR heat-loss mapping for Cities § Vision: To empower a worldwide reduction in urban waste heat and greenhouse gas emissions, 1 (thousand+) building at a time. § Mission: To define urban energy efficiency from space by (i) visualizing the waste heat escaping from homes, communities, and cities, and (ii) providing a platform to engage, educate, and encourage action and accountability. Ⓒ G.J.Hay 2023 17 MyHEAT Benefits § Boost efficiency program participation and change consumer behaviors § Offer contact-free engagement to motivate hard-to-reach customers § Reduce consumption and greenhouse gas emissions § Increase energy literacy and combat energy poverty MyHEAT Video - https://myheat.ca/heat-loss/ Ⓒ G.J.Hay 2023 18 MyHEAT Products § Multiscale HEAT Maps § HEAT Scores § Potential Users Ⓒ G.J.Hay 2023 19 Multiscale HEAT Maps § Multiscale HEAT maps at building, community and city scales § Building Scale: Pseudo-colorized TIR imagery – scaled between min (blue), and max (red) temp for each building. § Community and City scales – maps are averages of the related HEAT Scores at each scale of analysis. Ⓒ G.J.Hay 2023 20 HEAT Scores § HEAT Scores are ranked numbers between 10 and 1 (i.e., hot to cold) § They allow users to meaningfully compare the waste heat of one or more houses (shown on a HEAT Map), with all other mapped houses in your community and city. § Can also be mapped at community and city scales. § Represent simple, useful, heat-loss feedback Hemachandran B., Hay G.J., et al., (2018). Developing Multiscale HEAT Scores from H-Res Airborne Thermal Infrared Imagery to Support Urban Energy Efficiency: Challenges Moving Forward. Urban Remote Sensing 2nd edition. (Editor Q. Weng). Taylor and Francis Catalogue ISBN: 978-1-138-05460-8. Chapter 11. pp 235 – 270. Ⓒ G.J.Hay 2023 21 HEAT Scores § Can be mapped at house, community and city scales. § Represent simple, useful, heat-loss feedback Ⓒ G.J.Hay 2023 22 Potential Users § Home owners, renters, building supervisors seeking to improve their building energy efficiency § Contractors identifying communities for marketing energy efficiency upgrades § Real-estate agents seeking energy conscious clients and promoting ‘Green’ properties § Construction companies verifying their building quality § Service/Utility providers offering energy efficiency solutions Ⓒ G.J.Hay 2023 23 Ⓒ G.J.Hay 2023 24 Ⓒ G.J.Hay 2023 25 Ⓒ G.J.Hay 2023 26 Ⓒ G.J.Hay 2023 27 Ⓒ G.J.Hay 2023 28 Ⓒ G.J.Hay 2023 29 Ⓒ G.J.Hay 2023 30 Ⓒ G.J.Hay 2023 31 Energy Utility Engagement B. Karim, 2016 § Customers are 5x more likely to take action after seeing a thermal image of their home § MyHEAT Platform is 16x more engaging than paper mailouts. § Potentially save millions $$ on paperless billing vs. mail-outs § Advanced Analytics – Provides Customer Insight § Mobile Friendly § One Click Booking for Energy Efficiency Campaigns. Ⓒ G.J.Hay 2023 32 Research & Development Overview 1. HEAT Spot Detection 2. Commercial Building Asset Management 3. Smart City Platform 4. Machine Learning - TIR Roof Pattern Diagnostics 5. TIR Based Energy Efficiency Metrics Ⓒ G.J.Hay 2023 33 1. HEAT Spots § A powerful visual diagnostic tool representing an ordered ranking of the nth-hottest roof locations. § For commercial buildings, typically the 10-30 hottest locations are defined with a circle and numbered from the 1st hottest (1) to the nth (i.e,.10th) hottest. Ⓒ G.J.Hay 2023 34 2. MyHEAT Heat Loss Asset Management § $3M spent on upgrading this building with solar PV cells (yellow lines) and energy efficiency measures. § The #1 HEAT Spot is 27.93°C above ambient temperature. § The next hottest location is 15.43°C above ambient. § Use HEAT SPOT information, to define the best location to implement a heat recovery system. Ⓒ G.J.Hay 2023 35 Ⓒ G.J.Hay 2023 36 3. MyHEAT Smart Cities Platform § HEAT Loss Mapping § HEAT Spots § HEAT Loss Metrics § Energy Efficiency Mapping § Energy Audits § Retrofit Planning § Asset Comparisons § Community Comparisons § Monitoring over time B. Karim, 2017 Ⓒ G.J.Hay 2023 37 4. Machine Learning Roof Pattern Diagnostics § Data mining of 20M+ psuedocolor roof patterns to determine heat loss diagnostics. § Commercial/Municipal Buildings: § Identify locations of leaking walls, windows, doors, roofs, poorly sealed pipes, vents, light fixtures, etc… Ⓒ G.J.Hay 2023 38 4. Machine Learning Roof Pattern Diagnostics Ⓒ G.J.Hay 2023 39 4. Machine Learning Roof Pattern Diagnostics § Residential Building: § Identify locations of leaking walls, windows, doors, roofs, poorly sealed pipes, vents, light fixtures, etc… § Locate uninsulated attic hatches. § Quantify the amount and location of insulation. § Link specific locations /conditions for recommended retrofits or upgrades. Hay et al, 2016 – Holmes on Homes Presentation Ⓒ G.J.Hay 2023 40 5. Thermal Based Energy Efficiency Metrics http://www.halkidikiproperties.co/ energy-efficiency-certificates/ § Compare building heat loss with consumption to model energy efficiency (EE) over a year. § Create and map new Energy Efficiency Metrics at the house level for entire cities. § Evaluate Energy Efficiency over time – from space. Ⓒ G.J.Hay 2023 41 Correlating HEAT Ratings and Energy Consumption (2019 Pilot) § MyHEAT recently participated in a ground breaking pilot study driven by a municipally-owned utility in Alberta and sponsored by Natural Resources Canada. § The evaluation of 3 years of consumption data for 17,000+ homes was led by an academic team from the Universities of Carleton and Ottawa. Source: https://blog.myheat.ca/2019/08/08/measuring-energy-efficiency-from-4000-feet-inthe-air/ Ⓒ G.J.Hay 2023 42 Correlating HEAT Ratings and Energy Consumption (2019 Pilot) § FINDINGS: Each incremental change in the HEAT Rating represents a reduction in gas consumption of 35% and a reduction in electricity consumption of 1-1.5%. § Challenges remain with the very high and low heat ratings due to limited samples required for Machine Learning. Source: https://blog.myheat.ca/2019/08/08/measuring-energy-efficiency-from-4000-feet-in-the-air/ Ⓒ G.J.Hay 2023 43 Correlating HEAT Ratings and Energy Consumption (2019 Pilot) WHAT THIS MEANS: § A home with a HEAT rating of 1 consumes approximately 40% less energy than a building of the same size with a HEAT rating of 10. § We can measure Energy Efficiency from 4000ft in the air. Source: https://blog.myheat.ca/2019/08/08/measuring-energy-efficiency-from-4000-feet-in-the-air/ Ⓒ G.J.Hay 2023 44 § HEAT Maps/Metrics at house, community and city scales (1M+ pop). § Web-enabled HEAT-Loss Platform for Smart Cities, Municipalities, Utilities, Service-Providers, Home-owners. § Web-enabled HEAT Loss maps/metrics for: § 5M buildings § 20M+ population § 56 cities – collected in Canada/USA § 18,300 sqKm – area collected (sub-meter) Ⓒ G.J.Hay 2023 45 Energy Made Visible. Helping millions visualize home heat loss. myheat.ca MyHETAT Solar Ⓒ G.J.Hay 2023 47 MyHETAT Solar § First 4 Clients: 1. Edmonton, 2. Saskatoon, 3. Fredricton, 4. London § Signing deals with NRCan for 4 new Canadian Cities Ⓒ G.J.Hay 2023 48 Energy Made Visible. Helping millions visualize home heat loss. Helping millions visualize their rooftop solar potential [email protected]