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Sustainable Energy Selection Model for Households

Analyzing the Total Resource Cost (TRC) perspective over 20 years to optimize energy choices for existing households, with focus on gas and power use reduction and water heating efficiency.

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Sustainable Energy Selection Model for Households

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  1. Fuel Choice Model 9/8/2011 The Total Resource Cost (TRC) Perspective Michael Schilmoeller

  2. Summary-TRC Perspective • Over 20 years • 560 MWa decline in power use • 13.1 x 1012 BTUs per year increase in gas use • 2,593,900 existing households • Annually (just divide by 20) • 28 MWa decline in power use • 657 x 109 BTUs per year increase in gas use • 129,695 existing households

  3. Water Heating • 15,010 households/yr-101 change, BTUs 10^9/yr1.25 change, MWa/yr • 83,480 households/yr464 change, BTUs 10^9/yr-12.58 change, Mwa/yr The convention in this decision tree is • Every factor, indicated by a square box, is followed by two branches, indicating whether the condition is true or false • The top branch leads to the outcome if the factor is TRUE; the bottom one corresponds to the situation where the condition is FALSE. • Each branch ends with a appliance choice, indicated by an oval and emphasized with an alternative font color • 31,202 households/yr0 change, BTUs 10^9/yr-5.68 change, MWa/yr Source: M Schilmoeller, Q:\MS\Plan 6\Studies\Model Development\Direct Use of Gas\101004 Study\Selection tree 110904.docx

  4. 15,343 households/yr 0 change, BTUs 10^9/yr -0.02 change, MWa/yr 4,111 households/yr 0 change, BTUs 10^9/yr -1.41 change, MWa/yr 19,773 households/yr 16 change, BTUs 10^9/yr -0.43 change, MWa/y 79,587 households/yr279 change, BTUs 10^9/yr-7.45 changeWa/yr 6,086 households/yr 0 change, BTUs 10^9/yr -0.98 change, MWa/yr 4,793 households/yr 0 change, BTUs 10^9/yr -0.68 change, MWa/yr

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