ENERGY  ALTERNATIVES: RENEWABLE
ENERGY AND ENERGY CONSERVATION
TECHNOLOGIES



INTRODUCTION

  Energy plays a vital role,  affecting all the activities that 
  take place in the  society. Its role in economic  development 
  of a region needs no  emphasis; because  of  its  qualitative 
  effects,it exercises greater influence. It is the key element 
  in the production process, and the lack or shortage of it has 
  a serious  impact on the economy.  It is a central concept in 
  most  branches  of  natural  science ,  social  science   and 
  engineering, since it is  essential to make things happen. It 
  plays a crucial  role  in  diverse  processes  like  chemical 
  reactions, cloud  formation, functioning of cells, production 
  of  goods, transportation, etc. Fossil  fuels, such  as, coal, 
  oil  and  natural  gas  lay  the foundation for an industrial 
  society, but  they  are  disappearing  at  an  alarming  rate. 
  Present  fossil  fuel potential is unable to meet the growing 
  demands  of  the  society. There is a need to look for viable 
  alternatives to meet this  scarcity. In this regard, rational 
  decision  making  is  necessary  to eliminate wasteful use of 
  resources.
Energy Use versus Time
Technical Aspects of Energy
Classification of Energy Sources
Components of Energy System

REVIEW OF RENEWABLE SOURCES OF ENERGY