what is the Science of a on grid solar

what is the Science of a on grid solar ? First of all what is solar and what is solar energy Solar energy a great source of energy and a perfect alternative for Coal and other source of energy. So what are the advantages of solar energy and how we can utilize the solar energy and related all questions are answered here India is endowed with vast solar energy potential. About 5,000 trillion kWh per year energy is incident over India's land area with most parts receiving 4-7 kWh per sq. m per day. Solar photovoltaics power can effectively be harnessed providing huge scalability in India. what is meant by Electrical Grid An electrical grid , electric grid or power grid , is an interconnected network for delivering electricity from producers to consumers. It consists of: generating stations that produce electric power . electrical substations for stepping electrical voltage up for transmission...