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Indian Geography — Energy

June 28, 2026
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Indian Geography — Energy

Energy Resources in India
Figure 1: Energy resources and power plants in India are frequently tested in UPSC examinations.

1. Introduction to Energy Resources

Context: India's energy sector includes thermal, nuclear, and renewable sources. Understanding the distribution of power plants, coal mines, and oil fields is crucial for UPSC preparation.
  • Types of Energy: Thermal (Coal-based), Nuclear, Hydro, and Renewable (Solar, Wind).
  • Major Sources: Coal, Oil, Natural Gas, and Nuclear.
  • Important for UPSC: Questions on power plants, coal mines, oil fields, and their locations are frequently asked.
📝 UPSC Previous Year Questions:

  • UPSC Prelims 2020: Tarapur nuclear power plant is located in which state? Answer: Maharashtra.
  • UPSC Prelims 2018: Digboi oil field is located in which state? Answer: Assam.
  • UPSC Prelims 2016: Jharia coal mine is located in which state? Answer: Jharkhand.

2. Thermal Power Plants

  • Andhra Pradesh: Vijayawada
  • Assam: Bongaigaon, Namrup
  • Bihar: Barauni
  • Chhattisgarh: Korba
  • Gujarat: Sabarmati, Gandhinagar, Ahmedabad, Ukai, Dhuvaram, Vanakbari
  • Haryana: Faridabad
  • Jharkhand: Chandrapura
  • Madhya Pradesh: Singrauli, Amarkantak, Satpura
  • Maharashtra: Trombay, Uran, Nashik, Bhusawal, Parli, Koradi, Chandrapur
  • Odisha: Talcher
  • Tamil Nadu: Ennore, Neyveli, Tuticorin
  • Telangana: Ramagundam, Kottagudam
  • Uttar Pradesh: Harduaganj, Panki, Parichha, Rihand
  • West Bengal: Santaldih, Kolkata, Durgapur
📝 UPSC Key Points — Thermal Power Plants:

  • Korba (Chhattisgarh): Major thermal power plant
  • Singrauli (Madhya Pradesh): Major thermal power plant
  • Talcher (Odisha): Major thermal power plant
  • Ramagundam (Telangana): Major thermal power plant
  • Trombay (Maharashtra): Major thermal power plant
  • Neyveli (Tamil Nadu): Major thermal power plant (lignite-based)

3. Nuclear Power Plants

  • Andhra Pradesh: —
  • Gujarat: Kakrapara
  • Karnataka: Kaiga
  • Maharashtra: Tarapur
  • Rajasthan: Rawat Bhata
  • Tamil Nadu: Kalpakkam, Kudankulam
  • Uttar Pradesh: Naraura
📝 UPSC Key Points — Nuclear Power Plants:

  • Tarapur (Maharashtra): First nuclear power plant in India — UPSC 2020
  • Rawat Bhata (Rajasthan): Major nuclear power plant
  • Kakrapara (Gujarat): Major nuclear power plant
  • Kaiga (Karnataka): Major nuclear power plant
  • Kalpakkam (Tamil Nadu): Major nuclear power plant
  • Kudankulam (Tamil Nadu): Largest nuclear power plant in India (with Russian collaboration)
  • Naraura (Uttar Pradesh): Major nuclear power plant

4. Coal Mines

  • Andhra Pradesh: Singareni
  • Assam: Makum, Janji, Najira
  • Chhattisgarh: Korba
  • Jharkhand: Bokaro, Jharia
  • Madhya Pradesh: Singrauli
  • Odisha: Talcher
  • Tamil Nadu: Neyveli (Lignite)
  • West Bengal: Raniganj
📝 UPSC Key Points — Coal Mines:

  • Jharia (Jharkhand): Largest coal mine in India — UPSC 2016
  • Raniganj (West Bengal): Oldest coal mine in India
  • Bokaro (Jharkhand): Major coal mine
  • Korba (Chhattisgarh): Major coal mine
  • Singareni (Andhra Pradesh): Major coal mine (operated by SCCL)
  • Talcher (Odisha): Major coal mine
  • Neyveli (Tamil Nadu): Lignite coal mine

5. Oil Fields

  • Assam: Digboi, Naharkatia, Sibsagar, Moran
  • Delhi: Oil Field
  • Gujarat: Kalol, Vadodara, Hajira, Ankaleshwar
  • Haryana: Sonipat, Gurugram
  • Madhya Pradesh: Vijaipur, Jhabua
  • Maharashtra: Bassien, Mumbai High
  • Rajasthan: Anta
  • Uttar Pradesh: Aonla, Shahjahanpur, Jagdishpur, Auraiya, Babrala, Sahibabad
📝 UPSC Key Points — Oil Fields:

  • Mumbai High (Maharashtra): Largest oil field in India
  • Bassien (Maharashtra): Major oil field
  • Digboi (Assam): Oldest oil field in India — UPSC 2018
  • Naharkatia (Assam): Major oil field
  • Ankaleshwar (Gujarat): Major oil field
  • Kalol (Gujarat): Major oil field

6. Summary: Energy at a Glance

Category State Location UPSC Year
Nuclear Power Plant Maharashtra Tarapur 2020
Nuclear Power Plant Tamil Nadu Kudankulam —
Nuclear Power Plant Rajasthan Rawat Bhata —
Coal Mine Jharkhand Jharia 2016
Coal Mine West Bengal Raniganj —
Oil Field Assam Digboi 2018
Oil Field Maharashtra Mumbai High —
Thermal Power Plant Chhattisgarh Korba —
Thermal Power Plant Tamil Nadu Neyveli —
Key Takeaways for UPSC

  • Nuclear Power Plants: Tarapur (Maharashtra — first, UPSC 2020), Rawat Bhata (Rajasthan), Kakrapara (Gujarat), Kaiga (Karnataka), Kalpakkam (Tamil Nadu), Kudankulam (Tamil Nadu — largest), Naraura (UP)
  • Coal Mines: Jharia (Jharkhand — largest, UPSC 2016), Raniganj (West Bengal — oldest), Bokaro (Jharkhand), Korba (Chhattisgarh), Singareni (AP), Talcher (Odisha), Neyveli (TN — lignite)
  • Oil Fields: Mumbai High (Maharashtra — largest), Bassien (Maharashtra), Digboi (Assam — oldest, UPSC 2018), Naharkatia (Assam), Ankaleshwar (Gujarat), Kalol (Gujarat)
  • Thermal Power Plants: Korba (Chhattisgarh), Singrauli (MP), Talcher (Odisha), Ramagundam (Telangana), Neyveli (TN), Trombay (Maharashtra)
High-Yield Interactive UPSC Quiz (Energy)

Q1. Tarapur nuclear power plant is located in which state?

Correct Answer: B. Tarapur nuclear power plant is located in Maharashtra. It was the first nuclear power plant in India. (UPSC 2020)

Q2. Digboi oil field is located in which state?

Correct Answer: C. Digboi oil field is located in Assam. It is the oldest oil field in India. (UPSC 2018)

Q3. Jharia coal mine is located in which state?

Correct Answer: C. Jharia coal mine is located in Jharkhand. It is the largest coal mine in India. (UPSC 2016)

Q4. Which is the largest nuclear power plant in India?

Correct Answer: C. Kudankulam nuclear power plant in Tamil Nadu is the largest nuclear power plant in India, built with Russian collaboration.

Q5. Mumbai High is a major:

Correct Answer: B. Mumbai High is the largest oil field in India, located offshore in Maharashtra.

Q6. Raniganj coal mine is located in which state?

Correct Answer: C. Raniganj coal mine is located in West Bengal. It is the oldest coal mine in India.

Q7. Which thermal power plant is located in Tamil Nadu?

Correct Answer: C. Neyveli thermal power plant is located in Tamil Nadu. It is a lignite-based thermal power plant.

Q8. The nuclear power plant at Rawat Bhata is located in:

Correct Answer: C. Rawat Bhata nuclear power plant is located in Rajasthan.

Q9. Which of the following is NOT a coal mine in India?

Correct Answer: C. Mumbai High is an oil field, not a coal mine. Jharia, Raniganj, and Singareni are all coal mines in India.

Q10. The Kaiga nuclear power plant is located in:

Correct Answer: B. Kaiga nuclear power plant is located in Karnataka.
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