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2026-10-27

A Cleaner Grid Is Not Enough: India Must Decarbonise Faster Than Demand Grows

India’s electricity grid is becoming cleaner, supported by the rapid growth of renewable energy. However, despite this progress, absolute power-sector emissions remain high.

Firstgreen’s internal technical analysis highlights an important challenge: reducing the emissions intensity of electricity is not the same as reducing total power-sector emissions.

India’s Grid Is Getting Cleaner

Firstgreen’s analysis shows that India’s grid emission factor has declined from 0.774 to 0.675 tCO₂/MWh since FY2013–14, while renewable electricity generation has grown nearly six-fold.

This represents meaningful progress in the transition towards cleaner electricity. However, electricity demand has also expanded during this period, creating an additional challenge for emissions reduction.

As the power system grows, improvements in the grid emission factor alone may not be sufficient to deliver the required reductions in absolute emissions.

Why Absolute Emissions Still Matter

A cleaner electricity mix can reduce the emissions associated with each unit of electricity generated. But when overall electricity consumption increases, total emissions can remain high.

This distinction is important when assessing the progress of India’s energy transition.

The challenge is not simply to increase the share of renewable energy, but to ensure that clean generation grows fast enough to meet rising demand while reducing dependence on fossil-fuel-based electricity generation.

The Next Phase of Power-Sector Decarbonisation

The next phase of decarbonisation requires more than adding renewable capacity. It also depends on how effectively clean electricity displaces fossil-fuel generation.

Three priorities stand out:

  • Accelerating clean generation: Renewable electricity generation must expand faster than electricity demand.
  • Displacing fossil generation: Clean electricity must replace fossil-fuel-based generation rather than simply accommodate additional demand.
  • Focusing on the right hours: The timing of clean electricity generation and its ability to displace fossil generation are important to the decarbonisation challenge.

Together, these priorities highlight the need to evaluate renewable energy growth in the context of the entire power system.

A Cleaner Grid Must Decarbonise Faster

India has made substantial progress in expanding renewable energy and lowering its grid emission factor. The next challenge is to translate this progress into deeper reductions in absolute power-sector emissions.

That requires clean generation to grow faster than the system itself, alongside more effective displacement of fossil-fuel-based electricity generation.

A cleaner grid is not enough. It must become cleaner faster than the system becomes larger.

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Firstgreen’s internal technical analysis examines changes in India’s grid emission factor, renewable generation growth and the challenge of reducing power-sector emissions as electricity demand expands.

See the original Firstgreen LinkedIn post.

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