25 pts Household Energy Consumption and Electric Bill How Energy Is Used in Homes (2009) In...
25 pts Household Energy Consumption and Electric Bill How Energy Is Used in Homes (2009) In 2009-2017, the average annual electricity consumption for a U.S. residential utility customer was 10.766 kilowatthours (kWh), an average of 897 kWh per month Req. For the month of June (30 days with 24hr/day) Determine i) the total hours i) Kilowatts/month of June. il) Electric bill based on a charge of $0.085/kwh(-0.079kwh electricity +0.06 transmission). $ iv) Assuming the home has an electric water heater, What is the June cost of water heating $ v) Wha tis the cost of the space heating $ Electronics. /month 30% Water Heating 18% Source US Energy Informaton Adnaton Resdentar Energy Consaumpton Suvey (RECS) 2009 2. /35 pts Impact of Green Standards Note Return on Investment(ROI) Cost Increase/savings year A 172 sq meter home (1850 sq ft) is being designed with a budget of $580,000. The architect estimates 250- Hanehld Her teenthe 172 sq m passive house would cost $720,000. 200 Req. Based on the residential $0.085 kwh estimate for a 172 sq m for June(30days24hr) calculate i)Current Avg (275) $ i) Low Energy(140)/June x1 ii)PassiveHouse(35 $ iv) What is the ROI for the Passive House compared to current average house ROI- June x12$ yr 50 /June x12-$ yr Avnage 1994 yrs lized cost of Energy Calculation Req. Using data below -calculate the levelized cost of for 15 years l = 596 for 3 Mw x 8760 h/yx 0.22-5780/1000-5.78 KwHxq SA + 1.1) @year o, Maint0.15M yr Discount Factor lD for eachyear. N 15 1-5% 4 5 6 7 8 9 10 11 12 13 14 931.907 864 823.1.784-746|711| 67|.645 6141.585 557工5301-505 /20 Leve Capitol 6.5 M-5.4+1.1)@yea 4. /20 Using the data from Problem 3, 4a /10What energy storage syste ms could be used to reduce the space heating energy Consumption? 4b /10 What energy storage e system could be used to reduce the water heating energy be usedt consumption?