UPSC MainsGENERAL-STUDIES-PAPER-I202015 Marks250 Words
Q14.

India has immense potential of solar energy though there are regional variations in its development. Elaborate. (Answer in 250 words)

How to Approach

This question requires a geographically nuanced and technologically informed response. The approach should begin by acknowledging India’s overall solar energy potential, then systematically elaborate on the regional variations, explaining the factors contributing to these differences. The answer should cover resource availability, infrastructural development, policy support, and economic considerations. A structured response, dividing India into key regions, will be most effective. Focus on both rooftop and utility-scale solar projects.

Model Answer

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Introduction

India, endowed with abundant sunshine throughout the year, possesses immense potential for solar energy generation. As of November 2023, the installed renewable energy capacity is over 120 GW, with solar contributing approximately 67 GW. However, the development of solar energy isn’t uniform across the country. Regional variations exist due to differences in solar irradiance, land availability, grid infrastructure, state policies, and investment levels. Harnessing this potential requires a tailored approach considering these regional specificities to achieve India’s ambitious renewable energy targets, including 500 GW of non-fossil fuel capacity by 2030.

Regional Variations in Solar Energy Development

India can be broadly divided into regions exhibiting varying levels of solar energy development:

1. Western Region (Rajasthan, Gujarat, Maharashtra)

  • High Potential: These states receive high solar irradiance, making them ideal for large-scale solar parks. Rajasthan, in particular, has the highest solar potential.
  • Developed Infrastructure: Relatively better grid infrastructure and transmission networks facilitate the integration of solar power.
  • Policy Support: Proactive state policies, including land allocation and incentives, have attracted significant investment.
  • Examples: Bhadla Solar Park (Rajasthan) is one of the world’s largest solar parks. Gujarat has also seen substantial growth in rooftop solar installations.

2. Southern Region (Tamil Nadu, Karnataka, Andhra Pradesh, Telangana)

  • Moderate to High Potential: Good solar irradiance levels, though generally lower than Rajasthan.
  • Industrial Demand: High industrial and commercial electricity demand drives the adoption of solar power.
  • Rooftop Solar Focus: Significant emphasis on rooftop solar installations, particularly in Karnataka and Tamil Nadu.
  • Challenges: Land acquisition issues and grid congestion can hinder large-scale project development.

3. Northern Region (Punjab, Haryana, Uttar Pradesh)

  • Moderate Potential: Lower solar irradiance compared to western and southern regions.
  • Agricultural Demand: High electricity demand from the agricultural sector, creating opportunities for solar-powered irrigation.
  • Policy Push: Increasing state government support for solar energy, including subsidies for agricultural consumers.
  • Challenges: Limited grid infrastructure and land availability pose challenges.

4. Eastern & North-Eastern Region (West Bengal, Odisha, Assam, etc.)

  • Lowest Potential: Relatively lower solar irradiance and higher cloud cover.
  • Underdeveloped Infrastructure: Poor grid infrastructure and limited transmission capacity.
  • Low Investment: Lower levels of investment in solar energy projects.
  • Opportunities: Decentralized solar solutions, such as off-grid solar systems, can cater to remote areas with limited grid access.

Factors Influencing Regional Variations

Factor Impact
Solar Irradiance Higher irradiance leads to greater energy generation potential.
Land Availability Large-scale solar parks require significant land areas.
Grid Infrastructure Robust grid infrastructure is crucial for integrating solar power.
State Policies Supportive policies attract investment and promote adoption.
Financial Incentives Subsidies and tax benefits reduce project costs.

Technological advancements like bifacial solar panels and floating solar farms are also contributing to increased efficiency and utilization of available resources. The PM-KUSUM scheme (Pradhan Mantri Kisan Urja Suraksha Evam Utthan Mahabhiyan) is specifically aimed at promoting solar energy in the agricultural sector, addressing regional needs.

Conclusion

India’s solar energy potential is undeniable, but realizing it fully requires a regionally differentiated strategy. Addressing infrastructural gaps, streamlining land acquisition processes, and implementing supportive policies tailored to each region’s specific needs are crucial. Focusing on decentralized solutions for areas with limited grid access and promoting innovative technologies will further unlock India’s solar energy potential and contribute to a sustainable energy future. A coordinated approach between the central and state governments is essential for achieving the ambitious renewable energy targets.

Answer Length

This is a comprehensive model answer for learning purposes and may exceed the word limit. In the exam, always adhere to the prescribed word count.

Additional Resources

Key Definitions

Solar Irradiance
The amount of solar radiation received on a given surface area, typically measured in kilowatt-hours per square meter per day (kWh/m²/day).
Net Metering
A billing mechanism that credits solar energy system owners for the electricity they add to the grid.

Key Statistics

As of November 2023, India’s total installed renewable energy capacity is over 120 GW, with solar contributing approximately 67 GW.

Source: Ministry of New and Renewable Energy (MNRE), Government of India (as of Nov 2023)

Rajasthan accounts for approximately 20% of India’s total installed solar capacity as of November 2023.

Source: MNRE, Government of India (as of Nov 2023)

Examples

Bhadla Solar Park

Located in Rajasthan, Bhadla Solar Park is one of the world’s largest solar parks, with a total installed capacity of over 2.25 GW. It demonstrates the potential of large-scale solar projects in high-irradiance regions.

Frequently Asked Questions

Why is solar energy development uneven across India?

Uneven development is due to variations in solar irradiance, grid infrastructure, land availability, state policies, investment levels, and economic factors. Some regions have more favorable conditions and supportive policies than others.

Topics Covered

GeographyScience and TechnologyEconomyRenewable EnergyEnergy PolicyClimate Change