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1 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – December 2012eere.energy.gov Utility Bill Analysis WEATHERIZATION ENERGY AUDITOR SINGLE.

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Presentation on theme: "1 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – December 2012eere.energy.gov Utility Bill Analysis WEATHERIZATION ENERGY AUDITOR SINGLE."— Presentation transcript:

1 1 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – December 2012eere.energy.gov Utility Bill Analysis WEATHERIZATION ENERGY AUDITOR SINGLE FAMILY WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – December 2012

2 2 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – December 2012eere.energy.gov By attending this session participants will be able to: Discuss the heat values for different fuel types. State the advantages of analyzing utility bills. Define the terminology and categories of information used in a typical fuel bill. Demonstrate how to use utility bill analysis to determine base load vs. seasonal usage. Learning Objectives UTILITY BILL ANALYSIS

3 3 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – December 2012eere.energy.gov To measure: Energy consumption Seasonal vs. base load use Potential energy savings And drive: Targeted investment strategies Customer education strategies Why Analyze Fuel Bills? Copyright © 2007 Solair Energy, Inc. and Pure Energy Photo courtesy of Tech Journal UTILITY BILL ANALYSIS

4 4 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – December 2012eere.energy.gov Natural gas – 100,000 BTUs/CCF @ 1.40/CCF #2 Fuel Oil – 140,000 BTUs/gal. @ $3.80/gal. Propane – 92,500 BTUs/gal. @ $2.60/gal. Electricity – 3,412 BTUs/Kwh @ $0.12/Kwh Wood – 10-24 million BTUs/cord @ $130/cord (Prices are approximate and subject to fluctuation and regional differences) Heat Values of Fuels UTILITY BILL ANALYSIS

5 5 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – December 2012eere.energy.gov Sample Electric Bill Picture and information courtesy of PPL Electric Utilities UTILITY BILL ANALYSIS

6 6 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – December 2012eere.energy.gov Sample Gas Bill Start and End Date Usage and Cost Picture and information courtesy of New Hampshire Office of Consumer Advocate (OCA) UTILITY BILL ANALYSIS

7 7 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – December 2012eere.energy.gov Household Energy Costs? Chart courtesy of Energy Information Administration, U.S. Department of Energy 30% Space Heating 4% Cooking 15% Water Heating Space Cooling 9% Appliances 27% (other) …. Refrigerator 9% Lighting 6% Percent of Total Energy Costs by End Use in Income Eligible Households UTILITY BILL ANALYSIS

8 8 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – December 2012eere.energy.gov About half of the electricity used by households with electric heat is for base loads. Many homes heated with fossil fuel have higher annual electric bills than gas or oil bills. Usage as a Function of Fuel type Photo courtesy of PG&E UTILITY BILL ANALYSIS

9 9 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – December 2012eere.energy.gov 1. Analyze Bill Consumption Analysis 2. Survey Site 3. Reconcile the Two #2 Photo courtesy of National Home inspection Services of New England #3 Photo courtesy of Life123 Inc. #1 Photo courtesy of National Energy Deregulation Information UTILITY BILL ANALYSIS

10 10 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – December 2012eere.energy.gov Analyze Bill 1.Review previous 12 months. 2.Average three lowest months. 3.Multiply by 12 to estimate annual base load usage. Simple Bill Analysis Method Photo courtesy of National Energy Deregulation Information UTILITY BILL ANALYSIS

11 11 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – December 2012eere.energy.gov Bill Analysis Examples MonthBill kWhAve. Base LoadHeat?Cool? Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Total % Base Load Use Record: Lowest Reading 2 nd Lowest 3 rd Lowest Average Monthly Base Load Record: Lowest Reading 2 nd Lowest 3 rd Lowest Average Monthly Base Load UTILITY BILL ANALYSIS

12 12 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – December 2012eere.energy.gov Bill Analysis Example #1 Date# of DaysReadingkWh 5/7/9929062481031 4/8/9930052171968 3/9/9929032493143 2/8/9931001063356 1/8/9932967503648 12/7/9833931022206 11/4/9829908961327 10/6/983286569576 9/4/982988993442 8/6/982988551874 7/8/983087667522 6/8/983287155538 5/7/983086617941 UTILITY BILL ANALYSIS

13 13 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – December 2012eere.energy.gov Bill Analysis Example #1 MonthBill kWhAve. Base LoadHeat?Cool? Jan3,356 Feb3,143 Mar1,968 Apr1,031 May538 June522 July874 Aug442 Sept576 Oct1,327 Nov2,206 Dec3,648 Total19,631 % Base Load Use Lowest Reading 2 nd Lowest 3 rd Lowest Average Monthly Base Load 442 522 538 1,502/3 = 501 UTILITY BILL ANALYSIS

14 14 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – December 2012eere.energy.gov Bill Analysis Example #1 MonthBill kWhAve. Base LoadHeat?Cool? Jan3,356501 Feb3,143501 Mar1,968501 Apr1,031501 May538501 June522501 July874501 Aug442501 Sept576501 Oct1,327501 Nov2,206501 Dec3,648501 Total19,6316,008 % Base Load Use 31% Lowest Reading 442 2 nd Lowest 522 3 rd Lowest 538 Average Monthly Base Load 501 UTILITY BILL ANALYSIS

15 15 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – December 2012eere.energy.gov Bill Analysis Example #1 MonthBill kWhAve. Base LoadHeat?Cool? Jan3,3565012,855 Feb3,1435012,642 Mar1,9685011,467 Apr1,031501 May538501 June52250121 July874501373 Aug442501-59 Sept576501 Oct1,327501 Nov2,2065011,705 Dec3,6485013,147 Total19,6316,008 % Base Load Use 31% Lowest Reading 442 2 nd Lowest 522 3 rd Lowest 538 Average Monthly Base Load 501 UTILITY BILL ANALYSIS

16 16 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – December 2012eere.energy.gov Utility bill analysis is a useful metric for estimating energy consumption and targeting retrofit strategies. About half of home energy use is for base load requirements. Utility bill assessment helps the auditor determine base load vs. seasonal usage and related savings potential in each. Summary UTILITY BILL ANALYSIS


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