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Hydro reservoir levels hit lowest since 2023 on El Niño

Hydro reservoir levels hit lowest since 2023 on El Niño
Hydro reservoir levels hit lowest since 2023 as El Niño impact raises power generation concerns · indianexpress.com

India gets some of its electricity from dams that use water to spin turbines.

These are called hydroelectric power plants, and the water they store is like a big battery.

This year there has been less rain than usual because of a weather pattern called El Niño.

El Niño can change where rain falls and make the monsoon season drier.

Because of the dry weather, water levels in many reservoirs have dropped to their lowest since 2023.

With less water, the dams cannot make as much electricity, and hydropower output fell by about 11%.

To make sure people still have power, India is burning more coal to make electricity instead.

The weather department says the coming months may also have less rain than normal.

This means the country will keep watching its power supply carefully.

Key facts

Reservoirs below last year
23 of 30 major hydro power reservoirs
Hydropower generation (Apr 1-Jul 30)
54,019.42 MU, down 10.75% YoY
Reservoir energy content change
Down 43% YoY
Southern India energy content change
Down 63% YoY
Coal generation (Apr 1-Jul 30)
463,995.61 MU, up 9.49% YoY
Peak power demand (July)
270 GW
Cumulative rainfall deficit
About 13% below normal
IMD Aug-Sep forecast
Below normal, under 94% of normal rainfall

Quotes

Ministry of Power

Spokesperson for India's Ministry of Power

“"Historically, El Niño events have been associated with significant temporal and spatial variations in monsoon rainfall, which can materially influence electricity demand, hydroelectric generation, renewable energy availability and overall power system reliability,"”
indianexpress.com

Sources

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