How is solar energy (i) collected, (ii) concentrated, and (iii) stored? (UPSC 1987, 2 Marks, )

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‘Concentrated’ solar energy and ‘photovoltaic’ solar energy. (UPSC 2011, 5 Marks, )

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To what factors can the recent dramatic fall in equipment costs and tariff of solar energy be attributed? What implications does the trend have for the thermal power producers and the related industry? (UPSC 2015, 13 Marks, )

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Introduction

Solar energy has seen a significant decrease in equipment costs and tariffs in recent years, making it a more affordable and accessible renewable energy option. This has led to a surge in the adoption of solar energy worldwide.

Describe the benefits of deriving electric energy from sunlight in contrast to conventional energy generation. What are the initiatives offered by our Government for this purpose? (UPSC 2020, 15 Marks, )

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Introduction

Solar energy is a renewable and sustainable source of energy that is becoming increasingly popular as an alternative to conventional energy generation methods. In contrast to traditional methods that rely on fossil fuels, deriving electric energy from sunlight offers numerous benefits.