☀️ Chapter 09 · Recent Developments · General Science
Renewable Energy Technology
Solar, wind, hydro, tidal energy; National Solar Mission; green hydrogen; energy storage. Complete UPSC & PSC notes.
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Sub-Topics
10
Practice MCQs
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PYQs
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Very High
📌 What You Will Learn in This Chapter
✅ Solar energy — photovoltaic, solar thermal
✅ Wind energy — onshore, offshore
✅ Hydroelectric, tidal, geothermal energy
✅ National Solar Mission; India’s targets
✅ Green hydrogen — production, uses
✅ Energy storage — batteries, pumped hydro
🎯 Exam Relevance — This chapter appears in:
UPSC Prelims (2–3 Qs/year)APPSC Group 1 & 2TGPSC Group 1 & 2SSC CGL / CHSLState PSC Exams
📚 Chapter Sub-Topics — Click to Read
Topic 01
Solar Energy Technology
Photovoltaic (PV) cells; solar thermal; concentrated solar power (CSP); Bhadla Solar Park.
Topic 02
Wind Energy Technology
Onshore vs offshore wind; wind turbines; Muppandal; Jaisalmer; India = 4th largest wind producer.
Topic 03
Hydro, Tidal & Geothermal Energy
Hydroelectric power; tidal energy (Gulf of Kutch); geothermal (Puga Valley); small hydro.
Topic 04
National Solar Mission & India’s Targets
Jawaharlal Nehru National Solar Mission (2010); 500 GW by 2030; ISA; Paris Agreement.
Topic 05
Green Hydrogen
Green vs grey vs blue hydrogen; electrolysis; National Green Hydrogen Mission; India’s targets.
Topic 06
Energy Storage & Revision
Lithium-ion batteries; pumped hydro storage; grid-scale storage; EV batteries; complete revision.
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