DAW 8th January 2026, Mains Answer Writting 2027

DAW 8th January 2026, Mains Answer Writting 2027

Question

Despite achieving over 50% non-fossil fuel installed capacity, coal continues to dominate India’s electricity generation. Discuss (250 Words, 15 Marks).

Model Answer

Approach: Introduction:

  • Establish the capacity–generation paradox: despite >50% non-fossil installed capacity, coal supplies ~70–76% of electricity, signalling a shift from capacity scarcity to utilisation and grid integration challenges.

Body:

  • Explain structural reasons for coal dominance.

  • Substantiate with data and examples.

  • Analyse implications.

  • Suggest a calibrated transition pathway.

Conclusion:

  • Conclude by linking India’s power transition to 2070 net-zero, Panchamrit targets, and SDG-7 & SDG-13, emphasising that the success of the energy transition depends on qualitative transformation in generation and emissions, not capacity alone.

Introduction:

  • India’s power sector has entered a new phase of transition- from capacity scarcity to utilisation and grid integration challenges. While non-fossil sources now account for over 50% of installed capacity, coal continues to generate around 70–76% of electricity. This apparent paradox reflects structural, technological, and economic realities of India’s electricity system rather than a failure of renewable expansion.

Body: Why coal continues to dominate electricity generation:

  • Capacity vs Generation Mismatch:

  • As of late 2025, India’s total installed power generation capacity crossed 500 GW, with 51% coming from non-fossil fuels

  • Renewables such as solar and wind have low-capacity factors (15–30%) compared to coal (60–70%).

  • As a result, despite forming a large share of installed capacity, renewables contribute only 14–22% of actual electricity generation.

  • Example: In 2023–24, renewables accounted for ~35% of utility capacity but produced only ~14% of electricity.

  • Baseload and Grid Stability Requirements:

  • Coal provides round-the-clock baseload power, essential for frequency control and grid stability.

  • Intermittent renewables cannot yet meet continuous industrial, urban, and agricultural demand without adequate storage.

  • Example: During evening peak demand and monsoon-related wind variability, coal plants stabilise the grid and meet ramping needs.

  • Severe Storage Deficit:

  • India’s energy storage infrastructure is still nascent, with battery and pumped-hydro storage not yet large enough to absorb excess renewable power and supply it reliably

  • Projected energy storage requirement by 2029–30: ~336 GWh.

  • Operational battery storage as of 2025: ~500 MWh.

  • Underdeveloped battery and pumped hydro ecosystems compel continued reliance on coal for balancing power.

  • Industrial and Captive Power Dependence:

  • Captive power plants (~81 GW) generate over 235 BU annually, predominantly coal-based.

  • Energy-intensive sectors operate parallel, carbon-intensive grids, largely outside utility-level decarbonisation.

  • Example: The iron and steel sector alone accounts for over 60 BU of captive electricity generation, mostly coal-based.

  • Transmission, Distribution and Urban Bottlenecks:

  • While generation adequacy is achieved, urban distribution congestion, regional T&D losses, and grid integration delays limit renewable evacuation.

  • Renewable curtailment further reduces effective utilisation of clean capacity.

  • Economic and Policy Inertia:

  • Coal plants are sunk-cost assets with long operational lifetimes.

  • Abundant domestic coal supports energy security, affordability, and employment, slowing rapid phase-down.

Implications for India’s climate and energy goals:

  • Incomplete decoupling: Emissions intensity has declined by ~36% from 2005 levels, but absolute emissions remain high due to rising electricity demand and coal dominance.

  • Dual power system: Renewables drive capacity expansion and peak demand, while coal continues to anchor baseload supply and grid reliability.

  • Policy dilemma: A rapid coal phase-down risks power reliability and industrial competitiveness, making the transition politically and economically sensitive.

  • Risk to net-zero pathway: Without a transparent coal transition roadmap and industrial decarbonisation, capacity milestones may not translate into real emissions reduction.

Way forward: Managing coal’s transition role:

  • A gradual phase-down of coal plants (with retrofitting, carbon capture, and co-firing) should be aligned with renewable integration timelines

  • Shift coal from growth driver to balancing backbone: Halt new baseload coal capacity and retain flexible, efficient plants, retrofitted for ramping and balancing.

  • Accelerate storage and flexibility solutions: Rapidly scale battery storage, pumped hydro, and demand response mechanisms.

  • Decarbonise captive and industrial power: Promote electrification, green hydrogen, carbon markets, and stricter emissions norms for steel and cement sectors.

  • Strengthen grids and urban distribution: Invest in transmission corridors, smart grids, and state-level governance reforms to reduce losses and congestion.

  • Shift metrics from capacity to outcomes: Focus policy attention on actual renewable generation and absolute emissions moderation, not installed capacity alone.

Conclusion:

  • India’s achievement of over 50% non-fossil installed capacity marks a quantitative milestone rather than a qualitative transformation. The key challenge ahead is managing coal’s shift from baseload supplier to a flexible system balancer, alongside rapid storage expansion, grid modernisation, and industrial decarbonisation. This transition is essential to convert emissions-intensity gains into absolute emissions moderation, and to align India’s growth pathway with its 2070 net-zero goal, Panchamrit commitments, and SDGs- especially SDG-7 and SDG-13.