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The term “polygeneration” is referred to as “an energy supply system, which delivers more than one form of energy to the final user”, for example: electricity, heating/cooling, desalination can be delivered from polygeneration process. The polygeneration demonstrates unique integration of energy efficiency and renewable energy. It is the next generation energy production technique with a potential to overcome intermittence of renewable energy, reduce cost of power generation and greenhouse gas emissions. The feasibility study of this paper is divided in three sections: In first section of this study, solar and biomass have been arranged to produce steam for power generation. In the second section, cooling is produced by vapor absorption refrigeration (VAR; LiBr-H 2 O) system as per demand load requirement using steam, extracted from pass-out turbine. In the last section of this paper, multi effect dehumidification (MED) water desalination is produced by using limited amount of heat from water vapor (refrigerant; H 2 O) through HE1 of VAR cooling system. [ABSTRACT FROM AUTHOR]

India has tremendous potential for generating clean electricity through Renewable Energy Sources (RES) namely Hydro, Wind and Solar. This potential has been duly recognized and shows India׳s consciousness for reducing carbon footprint as a developing nation. Government of India with an aim to promote clean energy launched Jawaharlal Nehru National Solar Mission (JNNSM) on 11th January 2010, which is one of the eight missions under National Action Plan on Climate Change (NAPCC–2008). This mission visions to install 22,000 MW through grid connected and off grid power plants. Achieving an installed capacity of this quantum is a task full of challenges. To list the possible challenges and suggest a way forward, there is a need to study solar energy sector in India in the past, which has motivated the authors to discuss the evolution of solar energy in India since independence. Through this paper authors have tried to outline the journey of solar energy in India since 1950 till date and highlight the potential issues as barriers and challenges which could impact the ambitious mission taken up by Government of India. This study will help decision makers and various stakeholders to understand the current status, barriers and challenges for better planning and management in the field of solar energy. [ABSTRACT FROM AUTHOR]

Present day India has tremendous energy requirements, and with each day it is becoming more difficult to meet those needs through conventional power sources. The never-ending demand of population which is growing exponentially has become very tough to fulfill. To enhance its energy security, mitigate carbon emissions and augment its economic development, it becomes an urgent need to implement innovative policies and mechanisms for the adoption of green and clean energy. India because of its demographics has good solar energy potential. This study aims to examine the solar power implementations in thermal power plants situated all across India. This paper contributes to the literature on solar power by identification of barriers for the adoption of solar power in thermal plants. Still, there is some lack of study about solar power implementations in different areas. In this paper, investigating efforts have been made to examine the solar power implementations in thermal power plants within the Indian context by identifying key barriers. In this study, Interpretative Structural Modeling (ISM) has been adopted to find the contextual relationships among key barriers and Matriced'Impacts Croises- Multiplication Applique' an Classment (MICMAC) analysis has been carried out for validation of the model. Requirement of gigantic investment, longer recovery period, safety implications, environmental implications, and societal concerns emerge at the top level in ISM structure. Lack of adequate government policies and lack of political leadership appears at the bottom of a structured model and these emerged as the most influential barriers. This research also suggested how to mitigate the key barriers by the installation of solar power in electricity generation utilities. • Identify and evaluate nineteen barriers which influence the development of solar power in Indian thermal power sector. • Establish ISM hierarchy structure to show the contextual relationships among the barriers. • MICMAC technique is conceded for validation of the established ISM model. • Suggestions are proposed to mitigate the key barriers for the development of solar power in electricity generation utilities. [ABSTRACT FROM AUTHOR]