PAY-TV DIRECT INSTALL OF TRUE NILM NEEA EULR Working Group Meeting Stephen Bickel Eric Stern Oren Schetrit D+R International Whisker Labs Whisker Labs January 17, 2018
D+R INTERNATIONAL PROJECTS CLIENTS 2
WHISKER LABS Software platform that mines energy data for appliance behavior & activity Low-cost & scalable Big data processing, thermodynamic modeling & consumer engagement Oakland, CA 3
PAY-TV PROVIDER 10+ million U.S. households served 100,000+ NW households visited annually Programmable, automated communication capabilities Thousands of trained technicians Rapid technician tracking systems Efficient, scalable new program implementation 4
PARTNERS & ROLES Prime & Program Manager Technology & Analytics Recruiter & Installer 5
VALUE PROPOSITIONS EULR deliverables* 500 homes in 2 yrs. 5,000+ homes in 3-4 yrs. Much greater statistical power and confidence Comparable total project cost Reduced need and cost for oversampling HVAC fault-type detection API export for analytics on appliance performance Subscription-based access to load data *HVAC products 2018, Water heating 2019 6
Overview PILOT SCALE SAMPLE SIZE 500 5,000+ AVERAGE COST PER METERED HOME $1000 - $3000 $750 - $1,500 ESTIMATED COST $500K - $1.5M $3.75M - $7.5M PRELIMINARY LOAD SHAPES AND DATA AVAILABLE 2018 2019 12 MO. LOAD SHAPES AND DATABASE COMPLETE 2019 2021 REAL-TIME ANALYSIS DASHBOARD Possible Definite 7
VALUE OF 10X SAMPLE SIZE 500 SAMPLE SIZE All analyses that do not include the entire sample <95% confidence, >5% margin of error 5,000 SAMPLE SIZE Subpopulations of even 10% >95% confidence, <5% margin of error 8
AVOIDING SELECTION BIAS Define stratified sample parameters Construct representative sample Use commercially purchased demographic and household data 9
Sample Composition Rules 10
WHISKER LABS PLATFORM 11
WHISKER LABS ASSURE SM 12
WHISKER LABS ASSURE SM <10 min. install No electrician, no shutdown Sensors located on the main breaker Electrical fingerprint of HVAC and appliances determined and analyzed Wi-Fi communication Home energy data measured thousands of times per second 13
DEVICE FINGERPRINT HVAC COMPRESSOR START 14
DEVICE FINGERPRINT 15
ASSURE SM Bonus Feature FAULT DETECTION & DIAGNOSIS 16
HVAC INEFFICIENCIES & FAULTS RAMPANT STUDY TOTAL UNITS # OF RESIDENTIAL UNITS % OF FAULTY UNITS PROCTOR, 2004 55,000 62% units undercharged 95% units at fault MOWRIS & ASSOCIATES, 2006 13,512 8,694 65% units improper charge DOWNEY & PROCTOR, 2004 MOWRIS, BLANKENSHIP, & JONES 2004 13,000 8,873 4,168 4,168 65% in need of repair 57% in need of charge 72% improper charge 44% improper air flow Average charge added = 18% PROCTOR, 1997 28 28 78% undercharge 4% overcharge BLASNIK, DOWNEY, PROCTOR, & PETERSON, 1996 30 30 79% improper charge ROSSI, 2004 1,468 67% need service 17
Power [W] ASSURE DETECTS FAULTS - WINDOW AC 600 Efficient AC 500 Faulty AC 400 300 200 100 0 0:00:05 0:00:10 0:00:15 0:00:20 0:00:25 0:00:30 18
REAL-TIME HVAC FAILURE DETECTION 19
FROZEN EVAPORATOR COILS INSIDE AIR HANDLING UNIT What you described is exactly what happened It is amazing that you were able to describe exactly what happened without being here! -Pat M., Whisker Labs Customer 20
ASSURE SM DETECTABLE FAULTS (CURRENT) Startup Capacitor Liquid Line Restriction Condenser Fan Failed Clogged Filter Low Refrigerant Charge Blower Fan Failure Frozen Evaporator Compressor Failure 21
HVAC ANALYTICS DEMO 22
TIMELINES PILOT FULL-SCALE PROGRAM 1 Mar May 2018 2 3 4 Work plan development Planning w/ working group Sample design Jun Aug 2018 Technical infrastructure: design, build out, testing Sep Dec 2018 Subject recruitment Pay-TV installation of Whisker Labs Assure SM Jan Dec 2019 Recruitment Jan 2020 Jun 2020 Meter Installs Jan 2020 Jun 2021 Reporting Feb 2020 Dec 2021 Data collection, analysis, presentations, updates Evaluation results 23
CONTACT Stephen Bickel sbickel@drintl.com 301.628.2040