(a) Assume the first year power production of a module to be 100% of the rated...
Fantastic news! We've Found the answer you've been seeking!
Question:
Transcribed Image Text:
(a) Assume the first year power production of a module to be 100% of the rated power of the module. The linear drop of power production with age of PV modules is given in the module specification sheet. Take the drop in each additional year to be 0.6% of the production in the first year. The all-inclusive price paid by the owner for a 5kW system is $2900. Assume 60% of annual ac electric energy generated is used by the house itself and the remainder is fed to the utility grid. The tariff of utility grid power is 29 cents per kWh for consumption and 8 cents per kWh fed to the grid. Ignore interest rates. Assume the annual maintenance cost after the first year to be 5% of the initial capital cost. Assume one inverter replacement after 15 years. The replacement invereter cost is to be assumed as $800 for purchase and installation. Assume the life period of all other system componerts as 25 years. Calculate the savings, income, costs and cumulative profit for each of the 25 years. (b) Present the results of Part 5(1)(a) in a table. (c) Plot how the net profits vary with time. (d) What is the profit after 25 years? (e) What is the simple pay back period? [15 Marks] (a) Give two proposals to reduce the simple payback period? Explain how they reduce the simple payback period. (b) What are the assumptions made in this problem that could significantly change the condusions made regarding financial outcomes? [5 Marks] (a) Assume the first year power production of a module to be 100% of the rated power of the module. The linear drop of power production with age of PV modules is given in the module specification sheet. Take the drop in each additional year to be 0.6% of the production in the first year. The all-inclusive price paid by the owner for a 5kW system is $2900. Assume 60% of annual ac electric energy generated is used by the house itself and the remainder is fed to the utility grid. The tariff of utility grid power is 29 cents per kWh for consumption and 8 cents per kWh fed to the grid. Ignore interest rates. Assume the annual maintenance cost after the first year to be 5% of the initial capital cost. Assume one inverter replacement after 15 years. The replacement invereter cost is to be assumed as $800 for purchase and installation. Assume the life period of all other system componerts as 25 years. Calculate the savings, income, costs and cumulative profit for each of the 25 years. (b) Present the results of Part 5(1)(a) in a table. (c) Plot how the net profits vary with time. (d) What is the profit after 25 years? (e) What is the simple pay back period? [15 Marks] (a) Give two proposals to reduce the simple payback period? Explain how they reduce the simple payback period. (b) What are the assumptions made in this problem that could significantly change the condusions made regarding financial outcomes? [5 Marks]
Expert Answer:
Answer rating: 100% (QA)
1 a Calculations Variables Initial capital cost for a 5kW system 2900 Linear drop in power production per year 06 Annual maintenance cost after the fi... View the full answer
Posted Date:
Students also viewed these mechanical engineering questions
-
Electric power is to be generated by installing a hydraulic turbinegenerator at a site 70 m below the free surface of a large water reservoir that can supply water at a rate of 1500 kg/s steadily. If...
-
Electric power is to be generated by installing a hydraulic turbine-generator at a site 120 m below the free surface of a large water reservoir that can supply water at a rate of 2400 kg/s steadily....
-
Electric power is to be generated in a hydroelectric power plant that receives water at a rate of 70 m3/s from an elevation of 65 m using a turbine-generator with an efficiency of 85 percent. When...
-
The table lists the actual annual cost y to drive a midsize car 15,000 miles per year for selected years X. (a) Predict whether the correlation coefficient is positive, negative, or zero. (b) Find a...
-
On June 1, Hamilton Corporation purchased goods from a foreign supplier at a price of 1,000,000 markkas. It will make payment in three months on September 1. On June 1, Hamilton acquired an option to...
-
Coca-Cola Enterprises is the largest bottler of Coca-Cola in North America. The company purchases Coke and Sprite concentrate from The Coca-Cola Company, dilutes and mixes the concentrate with...
-
The sequence of events surrounding MJ Food's sales to Taj Bakeries, Ltd., was as follows: a. On what date did MJ Foods first incur transaction exposure? b. What kind of transaction exposure was this,...
-
The three accounts shown below appear in the general ledger of Chaudry Corp. during 2012. InstructionsFrom the postings in the accounts, indicate how the information is reported on a statement of...
-
1 point A researcher studying the effect of price cuts on consumers' expectations makes up two different histories of the store price of a hypothetical brand of laundry detergent for the past year....
-
Managing Scope Changes Case Study Scope changes on a project can occur regardless of how well the project is planned or executed. Scope changes can be the result of something that was omitted during...
-
Remember that Elizabeth Loftus studied the reliability of eyewitness testimony. She found that eyewitness accounts are changeable and influenced by suggestion. Read the following excerpt from Loftus...
-
A given hardware contains 5 logic blocks that require 20ns, 35ns, 15ns, 50ns and 25ns respectively. The latches require 10ns to load. To speed up the operation, you pipelined the hardware. Draw your...
-
When a diamagnetic object is placed near one pole of a strong magnet, the object is repelled away from the pole by a magnetic force. If the magnet were held vertically and the magnetic force were...
-
1. A null - type Wheatstone bridge is used to accurately measure the resistance of a nickel resistance thermometer during calibration procedure. The circuit shown below is used. Given R1 = 123.7 Q,...
-
Answer the following questions by using the figure below. Assume the control memory has 1024 words of microinstructions, each microinstruction is 32 bits wide. There are 4 status in the system to...
-
Prior to the first month of operations ending January 31, Lemke Inc. estimated the following operating results: Line Item Description Amount Sales (25,000 $80) $2,000,000 Manufacturing costs (25,000...
-
Financial Statements Current Year Preceding Year - Balance Sheet: Cash 25,000 $ 30,000 Short-term Investments 16,000 30,000 Net Accounts Receivables 42,000 94,000 Merchandise Inventory 76,000 82,000...
-
The following data are supplied for the common stocks of Nikola Corporation, Tesla, Inc. and General Motors: Nikola Corp (NKLA) Tesla Inc. (TSLA) Close Price ($) Close Price ($) 67.53 30.00 40.81...
-
How do teams work?
-
Task characteristics, reward systems, and team size are all ____________ that can make a difference in group effectiveness. (a) group processes (b) group dynamics (c) group inputs (d) human resource...
-
When a new team member is anxious about questions such as Will I be able to influence what takes place? the underlying issue is one of ____________. (a) relationships (b) goals (c) processes (d)...
Study smarter with the SolutionInn App