ENEP427 Chapter Notes - Chapter 7: Amory Lovins, Arthur H. Rosenfeld, Net Present Value

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Energy prices are set by market as influenced by gov policy. Gasoline is market based with fed and state taxes - more of a fee because they are largely used for road building and maintenance. Retail natural gas and electricity are regulated markets - customers are largely captured by their providing utilities. Energy prices translate to energy consumption into economic costs. Life cycle costing and time value of money. Economic analysis recognizes that money has a time dimension. If borrow, have to pay back more due to interest charges. We discount future dollars to present value by a discount rate using the classic present value equation. P = f /( (1 + d)^n) F = future value dollars at year n. Inverse of the compound interest equation that calcs the growth of dollars if interested at an annual interest rate.

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