Earth Day: Home Energy Metering

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Post on 14-Jun-2015



Devices & Hardware

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2010 Earth Day presentation by Alliance staff member Tom Simchak on his self-installed power meter (TED) and how he can track energy use in his home appliances -- including his wifes hair dryer.


<ul><li> 1. Witty and/or Corny Title Related to Knowing How Much Energy Your Home Uses Whats Your Watt?!?! (sorry) Home Energy Monitors with Tom April 22, 2010</li></ul> <p> 2. Three Ways I Play </p> <ul><li> The Energy Detective TED </li></ul> <ul><li><ul><li>Proprietary Footprints web browser-based dashboard </li></ul></li></ul> <ul><li><ul><li>Standalone display </li></ul></li></ul> <ul><li>Viewing data with Googles PowerMeter </li></ul> <ul><li><ul><li>Same data, different portal </li></ul></li></ul> <ul><li>Pepcos online My Account </li></ul> <ul><li><ul><li>Based on a guy coming out and reading the normal old electricity meter on the side of our house </li></ul></li></ul> <p> 3. The Energy Detective </p> <ul><li>From Energy, Inc. </li></ul> <ul><li><ul><li> </li></ul></li></ul> <ul><li>Not very cheap - $239.95 for my setup </li></ul> <ul><li>A challenge to install, though can be DIY </li></ul> <ul><li><ul><li>I managed it myself, barely </li></ul></li></ul> <ul><li>Has its own interface software, but also compatible with Googles PowerMeter </li></ul> <ul><li>One second data intervals </li></ul> <ul><li><ul><li>Nearly real-time </li></ul></li></ul> <p> 4. 5. 6. 7. 8. Fridge from CEE Super-Efficient Home Appliance Initiative list 9. 10. 11. 12. Toaster Dehumidifier Fridge 13. 14. 15. Google PowerMeter </p> <ul><li>Public API, so in theory any clever IT engineer can make devices work with it </li></ul> <ul><li><ul><li>Two commercial stand-alone devices presently work with it </li></ul></li></ul> <ul><li><ul><li><ul><li>One in US (TED), one in Europe </li></ul></li></ul></li></ul> <ul><li><ul><li>Several utilities have smart meters that work with it </li></ul></li></ul> <ul><li><ul><li><ul><li>Teething problems, like providing old data </li></ul></li></ul></li></ul> <ul><li>Still in development </li></ul> <ul><li><ul><li>Some quirks, some bugs </li></ul></li></ul> <ul><li>Ten-minute intervals </li></ul> <p> 16. 17. 18. Budget function a bit odd Also at home vs. not at home Cant see refrigerator cycling on and off 19. 20. Pepcos Online Tools </p> <ul><li>Based on regular meter-reading data </li></ul> <ul><li><ul><li>Either guy comes once a month to read it or someone occasionally reads it and its otherwise extrapolated. </li></ul></li></ul> <ul><li><ul><li>Basically a one-month interval </li></ul></li></ul> <ul><li>Limited functionality, buggy </li></ul> <ul><li>Requires you to turn off some browser security settings </li></ul> <ul><li>Some utilities provide more info </li></ul> <ul><li><ul><li>OPower, an Alliance Associate </li></ul></li></ul> <p> 21. 22. Lessons Learned </p> <ul><li>Resistance heating uses a lot of energy, but not often</li></ul> <ul><li><ul><li>Toaster, electric kettle (lots of tea), hair dryer, hair straighteners </li></ul></li></ul> <ul><li><ul><li>We have natural gas water heater, air heater, and cooking which none of these systems measure </li></ul></li></ul> <ul><li>The refrigerator uses a lot of energy, though, in theory, a lot less than most </li></ul> <ul><li><ul><li>We already did what we can realistically do </li></ul></li></ul> <ul><li>The dehumidifier uses quite a lot </li></ul> <ul><li><ul><li>I need to clean gutters and regrade the yard </li></ul></li></ul> <p> 23. Lessons Learned </p> <ul><li>So have I taken any particular action based on this data? </li></ul> <ul><li><ul><li>Coming soon to!At Home With Tom! </li></ul></li></ul> <ul><li>High-tech guilt-trip? </li></ul> <ul><li>Popular appeal? </li></ul> <p> 24. Thank You! </p> <ul><li>Questions? </li></ul> <ul><li>You know where to find me </li></ul>