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UPSC MainsGeneral Studies Paper IIIIndian EconomyPractice question

Renewable Energy Integration and Domestic Manufacturing Challenges

India faces a complex policy trilemma in balancing economic development, energy security, and sustainable green development. In this context, examine the key challenges in scaling up renewable energy integration and domestic manufacturing, and suggest suitable measures.

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How to approach

Begin by contextualising India's energy policy trilemma involving economic development, energy security, and decarbonisation goals. Analyse the structural and financial challenges in renewable energy grid integration, followed by supply chain and upstream vulnerabilities in domestic green manufacturing. Conclude with strategic measures covering energy storage, backward integration, transmission modernisation, and critical mineral diplomacy.

Model answer

465 words

Introduction

India's energy transition is governed by a policy trilemma: sustaining rapid economic expansion with affordable baseload power, safeguarding national energy security by curbing volatile fossil fuel imports, and fulfilling green sustainability commitments such as reaching 500 GW of non-fossil capacity by 2030 and Net Zero by 2070. Reconciling these objectives requires accelerating clean energy adoption while simultaneously fostering self-reliant domestic manufacturing ecosystems.

Key Challenges in Renewable Energy Integration

  • Intermittency and Storage Deficit: The dominance of solar additions exacerbates evening peak mismatches, known as the 'duck curve'. The Central Electricity Authority (CEA) estimates that 411 GWh of storage capacity (spanning Battery Energy Storage Systems and Pumped Hydro Storage) is required by 2032, yet operational deployments remain nascent.
  • Gestation Mismatch in Transmission: Renewable generation assets can be commissioned within 12 to 18 months, whereas Inter-State Transmission System (ISTS) evacuation infrastructure takes 36 to 48 months to build, leading to transmission congestion and high curtailment risks.
  • Financial Distress of DISCOMs: Persistent gaps between Average Cost of Supply (ACS) and Average Revenue Realised (ARR), coupled with delayed state subsidy disbursements, limit DISCOMs from contracting long-term Power Sale Agreements for higher-cost Firm and Dispatchable Renewable Energy (FDRE).

Challenges in Domestic Clean Energy Manufacturing

  • Upstream Supply Chain Vulnerabilities: Although India's solar module assembly capacity exceeds 100 GW under the Approved List of Models and Manufacturers (ALMM), domestic ingot and wafer capacity remains around 2 GW. This leaves India over 90% import-dependent on China for wafers and 100% dependent for polysilicon.
  • Critical Mineral Bottlenecks: Essential inputs for battery storage and wind components, including lithium, cobalt, nickel, and rare earth elements, have geopolitically concentrated supply chains without substantial domestic extraction or processing.
  • Capex and Deployment Friction: Protectionist trade mechanisms, such as the Basic Customs Duty (BCD) and ALMM mandates, shelter domestic manufacturers but simultaneously inflate project capital expenditure for developers, slowing down the pace of utility-scale project additions.

Suitable Measures to Overcome the Trilemma

  • Accelerate Energy Storage and Flexibility: Expand the Viability Gap Funding (VGF) scheme for Battery Energy Storage Systems (BESS), mandate state-level Energy Storage Obligations (ESO), and roll out dynamic Time-of-Day (ToD) tariffs to shift load curves.
  • Promote Deep Backward Integration: Implement production-linked incentives (PLI Tranche-II) focused on integrated polysilicon-to-module facilities, enforce ALMM List-III for ingots and wafers, and secure raw material supply lines via Khanij Bidesh India Limited (KABIL) and partnerships like the Minerals Security Partnership (MSP).
  • Modernise Grid Transmission and Power Markets: Expedite Green Energy Corridors under General Network Access (GNA) regulations and deepen liquidity in power exchanges through the Green Day-Ahead Market (G-DAM) and round-the-clock hybrid tenders.

Conclusion

Harmonising industrial support with coordinated transmission planning and storage investments is imperative for India's clean energy transition. By resolving upstream supply bottlenecks and grid stability challenges, India can convert intermittent renewable energy into reliable, round-the-clock baseload power without compromising economic competitiveness.

Key facts to remember

definition
Energy Trilemma

The complex policy challenge of balancing three competing priorities: energy security (reliable supply), energy equity (affordable access for economic growth), and environmental sustainability (mitigating climate change).

statistic

The Central Electricity Authority estimates that India will need approximately 411 GWh of cumulative energy storage (comprising BESS and Pumped Storage Projects) by 2031-32 to integrate planned renewable capacity.

— Central Electricity Authority (CEA)
scheme
Approved List of Models and Manufacturers (ALMM)

An initiative by the Ministry of New and Renewable Energy that certifies solar PV module and cell manufacturers eligible for use in government-assisted renewable projects, fostering domestic quality and production.

Frequently asked questions

Why is backward integration in solar manufacturing critical for India?

India possesses strong downstream module assembly capacity exceeding 100 GW, but relies on imports for over 90% of solar wafers and nearly all polysilicon. Without domestic manufacturing in upstream ingots and wafers, energy security remains exposed to external supply disruptions and price volatility.

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