Transcription of CHAPTER 9 RENEWABLE ENERGY SUPPLY
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CHAPTER 9 RENEWABLE ENERGY SUPPLY
CHAPTER 9 RENEWABLE ENERGY INTRODUCTIONR enewable ENERGY can be defined initially as any ENERGY source that is derived directly or indirectlyfrom solar ENERGY . In the broadest sense, however, almost all of the ENERGY we use today, including fossilfuels, can be considered a form of solar ENERGY . The most familiar forms of ENERGY , such as wood, oil, gas,and coal, are embodied forms of solar ENERGY gathered, stored, and transformed by natural change due to emissions of GHGs, particularly CO2, becomes an issue when stored solarenergy is converted to useable forms of ENERGY (heat, electricity, fuels, chemicals) at a rate far exceedingthe rate of formation. For coal, oil, and natural gas, the ratio of time between formation and use is on theorder of 1 million to one: that is, the world uses in one year what took natural processes one million yearsto create.
Chapter 9 Renewable Energy Supply 9-3 Table 9-1. Renewable Energy Technologies END-USE APPLICATION RESOURCE TECHNOLOGY Electricitya Industry Buildings Transport Photovoltaics - Flat Plate T Photovoltaics - ConcentratorT Solar Thermal Parabolic Trough T Solar Thermal Dish/Stirling T Solar Thermal Central Receiver T Solar Ponds T Passive Heating T
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