technology medium Fill in the Blank

The technology that stores energy by compressing air in underground caverns is called ________ Storage.

  1. Two-Tier / Hybrid
  2. Compressed Air Energy / CAES
  3. Quantum
  4. do-while

Answer: Compressed Air Energy / CAES

CAES stores energy by compressing air during low demand, releasing through turbines during peak. Adiabatic CAES recovers compression heat for higher efficiency. Suitable for large-scale, long-duration storage. India explores CAES for renewable integration. Critical for grid-scale storage questions.

Topic Energy Storage
Exam Relevance UPSC, SSC, Railway
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