Electricity demand is growing in India because more economic activity and household and commercial services rely on electricity, while industrial production, air-conditioning, agricultural pumping and transport electrification add further use. Weather can sharply change the year-to-year growth rate: the International Energy Agency (IEA) says demand rose just 1.4% in 2025 after four years of growth above 6%, partly because an early monsoon and milder conditions reduced cooling and pumping. The IEA’s 2026 outlook forecasts average annual demand growth of 6.4% through 2030.
What is driving India’s electricity demand?
The largest recent sources of growth have been buildings and industry. In its 2026 electricity-demand analysis, the IEA estimates that India added close to 430 terawatt-hours (TWh) of net electricity demand from 2021 through 2025. Buildings accounted for half of that increase and industry for 36%; agriculture and transport made up the remainder.
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| Driver | Recent contribution, 2021–2025 | IEA outlook through 2030 |
|---|---|---|
| Buildings | Half of net demand growth, according to the IEA’s 2026 analysis. | Cooling is forecast to contribute over one-fifth of the increase; buildings also include non-cooling household and commercial use. |
| Industry | 36% of net demand growth, according to the IEA’s 2026 analysis. | About one-third of the increase is forecast to come from industry. |
| Agriculture and transport | The IEA identifies both among the remaining contributors; it does not give separate shares in the cited summary. | Together, forecast to contribute around one-fifth of the increase. |
Future shares in the table are the IEA’s forecast, not measured outcomes. The IEA does not give a separate future share for buildings as a whole in the cited summary. Its breakdown identifies cooling separately.
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1Fix the driver behind crashes, sound loss and screen glitches2Clear out junk files and repair common Windows errors3Scan for outdated or missing drivers - takes under a minuteIndustry and economic activity
Factories and other industrial operations use electricity to run machinery, processes and facilities. As production and services expand, the amount of electricity required can rise too. Industry supplied 36% of India’s net demand growth from 2021 to 2025, and the IEA expects it to remain the largest individual contributor through 2030.
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Buildings, households and services
Buildings were the largest broad source of recent growth. Their electricity use includes cooling, but also other household and commercial needs as activity and use of electrical appliances and services increase. This broader category matters: cooling alone does not explain the building-sector increase.
Air-conditioning and heat
Cooling adds both energy use across the year and concentrated demand during hot periods. Fewer than 20% of Indian households had an air-conditioner in 2024, yet the IEA estimated that cooling contributed 60 gigawatts (GW) to peak load that year. In its 2025 analysis, the IEA also reported that air-conditioner sales reached 14 million units in 2024, 27% more than the 11 million sold in 2023. These figures describe different things: household ownership, estimated peak contribution and annual sales.
In the IEA’s 2026 accounting, space cooling made up 15% of total demand growth from 2021 through 2025 and about one-third of the gains within buildings. Cooling can therefore be an important driver even when most households do not own an air-conditioner.
Agricultural pumping
Electric pumps used for irrigation add to electricity consumption. Pumping requirements and timing can vary with rainfall and seasonal conditions, so agriculture can affect both annual use and demand at particular times. The IEA identifies agriculture as a contributor to recent growth and expects it to remain part of the increase through 2030.
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Transport electrification
Greater electricity use in transport infrastructure and the electrification of transport add another source of demand. The IEA groups transport with agriculture in its outlook, forecasting that the two together will account for around one-fifth of demand growth through 2030; the cited summary does not separate their individual contributions.
Why can demand growth change so much from year to year?
Underlying growth in economic activity and electrification does not mean that annual demand rises at the same rate every year. Weather changes how much cooling is needed and can influence agricultural pumping. In the IEA’s 2026 analysis, cooling degree days were more than 7% lower in 2025 than in 2024. The agency links the 2025 slowdown partly to an early monsoon and milder temperatures, which reduced air-conditioning use and agricultural pumping.
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That helps explain why demand growth was 1.4% in 2025 after four years above 6%. It is a weather-affected annual result, not evidence on its own that India’s longer-term demand drivers have permanently reversed.
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Annual electricity use is not the same as peak load
Annual electricity demand is the amount of electricity used over a year. Peak load is the highest level of demand the system must serve at a particular time. The two measures describe different planning needs: a system can have enough energy across the year but still face pressure on generation and networks during a very hot hour when cooling use is concentrated.
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India’s national peak load rose from 162 GW in 2017 to 250 GW in 2024, according to the IEA’s 2026 analysis. That increase is relevant to capacity planning, but it should not be confused with annual consumption, installed generating capacity or the mix of sources used to produce electricity.
What does the outlook say through 2030?
The IEA’s 2026 analysis forecasts average annual electricity-demand growth of 6.4% through 2030, adding more than 570 TWh to annual consumption over the five years. It expects industry to contribute about one-third of that increase, cooling more than one-fifth, and agriculture and transport together around one-fifth. These are projections, not guaranteed results: actual growth can differ as economic conditions, electrification and weather evolve.
India also publishes longer-range electricity projections through the Central Electricity Authority (CEA). The Government of India’s description of the CEA’s 20th Electric Power Survey says it covers projections for 2021–22 through 2031–32 and perspective projections through 2041–42. The CEA’s General Review Report resource page lists All India Electricity Statistics 2025. Those references establish the survey’s scope and the statistics resource; they do not provide a reconciled comparison with the IEA’s 2026 forecast.
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