Question

Task: Look at the sample electric meter readings below. Use the information provided to answer the following questions. DATE METER READING (kWh) DECEMBER 1 97,000 DECEMBER 8 DECEMBER 15 DECEMBER 22 DECEMBER 29 104,000 123,000 141,000 164,000 226,000 237,000 268,000 292,000 JANUARY 2 JANUARY 9 JANUARY 16 JANUARY 22 1. Using the meter readings from January 9th and December 8th, what was the total kilowatt-hour usage? 2. Calculate the actual cost by using the declining block rate schedule mentioned below. Note: Declining block is typically where the energy charge to a given level is at one price and that price declines above that level. This means, the more you use, the less it costs. First 50,000 kWh @ $0.065/kWh Next 50,000 kWh @ $0.045/kWh More than 100,000 kWh @ $0.025/kWh

Answer 1

Solution 1. Meter readings as on Jan 9th 237000 less: Meter readings as on Dec 8th Kilowatt-hour usage 104000 133000 kWh Solution 2. Computation of Cost by declining block schedule First 50000 kWh @ $0.065/kWh $3,250.00 Add: Next 50000 kWh @ $0.045/kWh $2,250.00 $ 825.00 Add: Remaining (133000-100000) 33,000 kWh @ $0.025/kWh $6,325.00

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