Moving on to section 6 of the report, we analyze the fuel cells market in the US.The analysis of the fuel cells market in the US includes a basic analysis of fuel cell design and technologies along with the investment profile of the industry as well. The various types of fuel cells such as alkaline, direct borohydride fuel cells, direct methanol, direct ethanol, formic acid fuel cells, and many others are profiled comprehensively in the report.The challenges facing the US fuel cells market such as design issues, cost issues, and many other problems are analyzed, followed by an analysis of fuel cell initiatives by state. Market outlook for the sector and an analysis of the major players in the market such as Altergy, Astris Energi, Canon, Casio, Eneos, Entegris, Cellex Power, Jadoo Power, P21, Plug Power, and many others wrap up the section on fuel cells.Section 7 analyzes the geothermal energy industry in the US. The market is analyzed taking into account an analysis of The Geysers, the biggest geothermal energy resource in the US. Installed geothermal capacity, environmental impact of geothermal power, regulatory framework, and the management of carbon emissions from geothermal power in the US are analyzed in this section.Market outlook and an analysis of the major players in the industry completes the section on geothermal power in the US. Some of the major players analyzed include Calpine Corporation, Enel Green Power, US Geothermal Inc, Ormat International, amongst others.Coming to section 8 of the report, we analyze the emerging sector of hydropower in the US. The market is analyzed in terms of hydroelectric power plants int he US, US hydropower production, baseload power from hydropower, the economics of hydropower for the US, and a market outlook of this renewable energy sector.Section 9 covers the lucrative segment of distributed generation technologies in the US as well as the emergence of Microgrids in the country.We begin with a definition of distributed generation, and move on to the analysis the various technologies involved in the industry. We look at the importance of microturbines, PV systems, reciprocating engines, and small-scale wind power systems in generating power. Nuclear power, underwater power systems, electric vehicles, and other applications of stirling engines are also analyzed.The relation between distributed generation and renewable energy is analyzed strategically, along with an analysis of economic dispatch. The emergence of microgrids in the US is of great importance to the renewable energy industry and we look at the microgrids phenomenon in the following sections of this report. We analyze the many designs of microgrids in the US, the operations of a microgrid, integration of microgrids with photovoltaics, fuel cells, and energy efficiency is also discussed.Ownership models of microgrids in the US and the relation between microgrids and the US smart grid is analyzed in-depth in this section.The role of integrated demand side management, distributed generation, renewable energy sources, and energy storage plays an important part in the renewable energy industry and we analyze this through an understanding of the integration of DER with smart meter deployment and other business models.Market outlook for distributed energy technologies in the US market completes this section.Section 10 is also related to the above section as we undertake an analysis of combined heat and power in the US.