Answered: Given a biomass fuel cell powerplant…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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2. Given a biomass fuel cell powerplant which has power capacity of 600 kW, and assume it generates at 83% of full power for 40 hours per week, 50 weeks per year. If the installation of the powerplant costs $10 million, and yearly operating costs are $100k, but it saves $400k per year in waste disposal costs, how many years before the powerplant pays back the installation cost? Use the average industrial electricity rate found at https://www.electricitylocal.com/states/california/oxnard/ (

Expert Solution

Step 1

Given

power capacity =600 kW

operation = 50 weeks per year

Installation cost =$10 million =$10⁶

operating cost per year = $100k

saving per year =$400k

Step 2

$Total output power = 0.83 \times 600 k W = 498 k W Total output energy in a week = 498 kW \times 40 hours = 19.92 \times 10^{3} kWh Total output energy per year = 19.92 \times 10^{3} \times 50 (50 weeks per year) = 996 \times 10^{3} k W h$

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