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2005 Residential Heating & Fuel Type Survey Results

2005 Residential Heating & Fuel Type Survey Results. ERCOT Load Profiling Presentation to PWG October 26, 2005. Objective:

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2005 Residential Heating & Fuel Type Survey Results

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  1. 2005 Residential Heating & Fuel Type Survey Results ERCOT Load Profiling Presentation to PWG October 26, 2005

  2. Objective: Develop a more accurate algorithm to predict presence and use of electric heat for residential customers and collect data to support analysis to potentially develop new profile types Design: 41,000 bilingual survey forms (including pilot) mailed Stratified by Weather Zone and Profile Type 2,563 RESHIWR per Weather Zone 2,562 RESLOWR per Weather Zone Residential Heating & Fuel Type Survey

  3. Response 4,669 responses as of 09/30/2005 11.4% response rate Phone Calls Generated 68 calls received (ERCOT provided ‘800’ number) Frequent Questions/Comments More info about survey Wrong name to address matching Electric account set up Complaints regarding electric service Budget $38,772 actual cost ($50,000 was the approved budget) included Market Researcher Name to Address Service ‘800’ number Post Office services Postage Misc (ex., mileage) Savings resulted largely from ERCOT obtaining & using a temporary PO Box & Business Reply Mail account Residential Survey Results(including Pilot)

  4. The following slides represent responses received from the ERCOT 2005 Heating and Fuel Type Survey. Responses are unvalidated. Survey Questions What classification (Dwelling type) best fits this address? What is the primary type of home heating used at this residence? If you replied “electricity” to question 2, is your heating system a heat pump? What type of air conditioning is used at this residence? Have you added central electric cooling or heating in the last 2 years? What is the approximate square footage of living space in your residence? What is the approximate age of your residence? What fuel does the water heating system for this residence use? Residential Heating & Fuel Type Survey

  5. 8.5% 12.6% 10.5% 9.9% 13.6% 11.3% 10.6% 14.1% Responses by WZone/Profile Type Responses / Mailed by WZone

  6. Q1 – Dwelling Type

  7. Q2 – Primary Home Heat Electricity Natural/Bottled Gas Other/Not Sure

  8. Q2 – Primary Home Heat By Profile Type Electricity Natural/Bottled Gas Other/Not Sure

  9. Q3 – If Electricity, is it a Heat Pump?

  10. Heat Pump/Age of Residence

  11. Q4 – Air Conditioning Type

  12. Central Air Conditioning/Window Wall Central AC – No Window/Wall Window/Wall – No Central AC Central AC & Window/Wall

  13. Central Air Conditioning/Evaporative Central AC – No Evap. Cooler Evap. Cooler – No Central AC Central AC & Evap. Cooler

  14. Window Wall AC/Evaporative Window Wall – No Evap. Cooler Evap. Cooler – No Window Wall Window Wall & Evap. Cooler

  15. BOO!

  16. Q5 – Added Central Elec. Cooling/Heating

  17. Q6 – Sq. Footage of Living Space

  18. Q7 – Age of Residence

  19. Primary Heat/Age of Residence Electricity Natural/Bottled Gas Other/Not Sure

  20. Primary Heat/Age of Residence Electricity Natural/Bottled Gas Other/Not Sure

  21. Primary Heat/Age of Residence Electricity Other/Not Sure Natural/Bottled Gas

  22. Q8 – Water Heating System Fuel Type

  23. Primary Heat/Water Heating System Fuel

  24. Questions?

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