Economy · GS3.1 · 2026-10-18 · 3 min read · 2026-10-18-pm

Coal Stocks at Thermal Power Plants Remain Above 18 Million Tonnes

As of October 10, 2026, coal stocks at domestic thermal power plants held steady above 18 million tonnes, with supply deficits narrowing due to improved coal deliveries and rail freight movement. This update is crucial for understanding India's energy security and the stability of thermal power generation.

Coal stocks at thermal power plants have stabilized above 18 MT, ensuring adequate supply for power generation amid improved coal transport and supply management.

Why is this in the news?

On October 12, 2026, The Hindu reported that coal stocks at thermal power plants remained above 18 MT as supply deficits narrowed, reflecting improved coal supply and rail freight movement.

[1] The Hindu · Secondary

What is the current status of coal stocks at thermal power plants?

  • Stable coal stocks. Coal stocks at domestic thermal power plants were 18.205 million tonnes as of October 10, 2026, remaining stable above 18 MT since September 29.
  • Daily consumption and supply. Thermal power plants consume less than 3 MT of coal daily, with supplies averaging 2.49 MT per day, closely matching consumption.

[1] The Hindu · Secondary

Why do coal stocks at thermal plants matter for India’s power sector?

  • Thermal power’s share. Thermal power accounts for more than 60% of electricity generated during peak demand hours, making coal availability critical.
  • Supply-demand balance. The narrowing gap between coal consumption and supply, from a deficit of 0.24 MT per day in September to 0.06 MT per day in early October, helps ensure uninterrupted power generation.

[1] The Hindu · Secondary

How has coal supply and transportation improved recently?

  • Increased rail freight. Rail freight movement for coal transport increased, with daily rake loading rising 10% to an average of 469 rakes in the first 10 days of October compared to September.
  • Supply monitoring. The Coal Ministry monitors coal supply closely, redistributing coal to plants with critical stocks to maintain adequate supply.

[1] The Hindu · Secondary

Key numbers

FigureWhat it measuresSource
18.205 million tonnesCoal stocks at domestic thermal power plants as of October 10, 2026

[1] The Hindu · Secondary

2.49 million tonnesAverage daily coal supply to thermal power plants

[1] The Hindu · Secondary

60%Share of thermal power in electricity generated during peak demand

[1] The Hindu · Secondary

469 rakesAverage daily number of coal rakes loaded for transport in early October 2026

[1] The Hindu · Secondary

Back to basics: Thermal Power Generation and Coal Supply

Thermal power plants generate electricity by burning coal to produce steam that drives turbines. Coal supply is critical for continuous power generation, especially during peak demand. Coal stocks at power plants act as a buffer against supply disruptions. Railways play a key role in transporting coal from mines to power plants, affecting the reliability of coal supply.

Practice: MCQ, Mains and revision

Prelims MCQ

Consider the following statements about coal stocks at thermal power plants in India: 1. As of October 2026, coal stocks at thermal power plants remained above 18 million tonnes. 2. Thermal power accounts for less than 50% of electricity generated during peak hours. Which of the statements given above is/are correct?

  1. 1 only
  2. 2 only
  3. Both 1 and 2
  4. Neither 1 nor 2
Answer and trap

Answer: (a). Statement 2 is incorrect because thermal power accounts for more than 60% of electricity generated during peak hours, not less than 50%.

Mains question (15 marks)

Examine the significance of coal stock levels at thermal power plants for India's energy security and power sector stability.

Examine: Explain how coal stock levels affect energy security and the reliability of power generation in India.

Intro: Coal stock levels at thermal power plants are a key indicator of energy security and power sector stability in India.

  • Discuss the role of thermal power in India's electricity generation, especially during peak demand.
  • Explain the importance of maintaining adequate coal stocks to avoid power disruptions.
  • Analyze recent trends in coal supply, stock levels, and transportation improvements.
  • Highlight challenges and measures taken by the government to ensure steady coal supply.

Conclusion: Stable coal stocks at thermal power plants are essential for uninterrupted power supply and energy security in India.

Quick revision

What was the coal stock at thermal power plants as of October 10, 2026?
Coal stocks were 18.205 million tonnes.
What percentage of electricity during peak hours is generated by thermal power plants?
More than 60% of electricity during peak hours is generated by thermal power plants.
How has rail freight movement for coal transport changed recently?
Rail freight movement increased by 10% with an average of 469 rakes loaded daily in early October 2026.

Sources

  1. [1] The Hindu: Coal stocks at thermal plants hold above 18 MT as supply deficit narrows · 2026-10-17 · newspaper