Question

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?

Answer 1

solution:- 1)

$ 13,538 JUAL