Janaka Ekanayake & Nick Jenkins 
Distributed Generation [PDF ebook] 

Throughout the world there is concern over the impact of energy use on the environment (particularly CO
2 emissions) and also over the security of fossil fuel supplies. Consequently, governments and energy planners are actively encouraging alternative and cleaner forms of energy production such as renewables (e.g. wind, solar, biomass) and combined heat and power (CHP).