Renewable Energy — Revision Notes
⚡ 30-Second Revision
- India's Target: 500 GW non-fossil fuel capacity by 2030.
- Key Sources: Solar, Wind, Hydro (small), Biomass, Geothermal, Ocean.
- Constitutional Basis: Article 48A (DPSP), Electricity (Concurrent List).
- Major Schemes: National Solar Mission (NSM), PM-KUSUM, PLI for Solar PV, National Green Hydrogen Mission.
- Mechanisms: RPO (Renewable Purchase Obligation), REC (Renewable Energy Certificate), Net Metering.
- Infrastructure: Green Energy Corridor (GEC).
- Global Role: International Solar Alliance (ISA), One Sun One World One Grid (OSOWOG).
- Challenges: Grid integration, land acquisition, financing, import dependence.
- Leading States: Rajasthan (Solar), Tamil Nadu/Gujarat (Wind), Himachal Pradesh (Small Hydro).
2-Minute Revision
India is aggressively pursuing renewable energy to meet its ambitious target of 500 GW non-fossil fuel capacity by 2030, driven by climate commitments and energy security needs. Key sources include solar, wind, small hydro, and biomass, with emerging potential in green hydrogen and offshore wind.
The policy framework is robust, anchored by the Electricity Act, 2003, which mandates Renewable Purchase Obligations (RPOs) and facilitates Renewable Energy Certificates (RECs) for market-based compliance.
Flagship initiatives like the National Solar Mission have significantly boosted solar capacity through solar parks and rooftop programs. Recent thrusts include the Production Linked Incentive (PLI) scheme for domestic solar manufacturing and the transformative National Green Hydrogen Mission.
However, challenges persist, notably in grid integration due to intermittency, land acquisition, and financing. The Green Energy Corridor project aims to strengthen transmission infrastructure. Globally, India leads the International Solar Alliance (ISA) and champions 'One Sun One World One Grid' (OSOWOG), positioning itself as a key player in global climate action and a provider of clean energy solutions.
Understanding these policy-technology-challenge interplays is crucial.
5-Minute Revision
India's renewable energy sector is undergoing a rapid transformation, central to its climate change mitigation strategy and quest for energy independence. The nation has set an ambitious target of achieving 500 GW of non-fossil fuel-based electricity capacity by 2030, a commitment reiterated at COP26.
This transition is underpinned by a diverse portfolio of renewable sources: solar, wind, small hydro, and biomass, with significant policy focus on emerging areas like green hydrogen and offshore wind.
Policy & Regulatory Framework: The constitutional mandate for environmental protection (Article 48A) and the 'Electricity' entry in the Concurrent List provide the legal basis. The Electricity Act, 2003, is pivotal, introducing mechanisms like Renewable Purchase Obligations (RPOs) for obligated entities and Renewable Energy Certificates (RECs) for market-based compliance.
Other key policies include the National Solar Mission (JNNSM), which has been instrumental in scaling up solar capacity through solar parks (e.g., Bhadla, Pavagada) and rooftop solar programs (with net metering).
The National Offshore Wind Energy Policy aims to unlock vast untapped potential along India's coastline. Recent initiatives like the Production Linked Incentive (PLI) scheme for high-efficiency solar PV modules are designed to foster domestic manufacturing and reduce import dependence, aligning with 'Atmanirbhar Bharat'.
The National Green Hydrogen Mission (2023) is a game-changer, aiming to position India as a global hub for green hydrogen production and export, decarbonizing hard-to-abate sectors. The Green Energy Corridor (GEC) project is crucial for strengthening transmission infrastructure to integrate large-scale renewable power.
Challenges: Despite rapid growth, significant hurdles remain. Grid integration is paramount, as the intermittent nature of solar and wind power demands advanced grid management, forecasting, and large-scale energy storage solutions (e.
g., pumped hydro, battery storage). Land acquisition for large projects often leads to social and environmental conflicts. Financing remains a challenge due to high upfront costs and perceived risks, necessitating innovative financial instruments.
Manufacturing gaps persist, particularly for advanced solar cells and wind turbine components. The financial health of state Discoms impacts their ability to procure and pay for renewable energy, creating payment delays.
Environmental concerns, even for renewables, such as habitat disruption for large projects, also need careful management.
India's Global Leadership: India has emerged as a significant player in global renewable energy diplomacy, co-founding the International Solar Alliance (ISA) with France. The ISA promotes solar energy deployment in sun-rich countries, fostering collaboration and technology transfer.
India's vision of 'One Sun One World One Grid' (OSOWOG) aims to create a transnational solar grid, enhancing energy security and grid stability across continents. This positions India not just as a recipient of climate aid but as a 'climate solutions provider,' enhancing its soft power and diplomatic influence.
Vyyuha Quick Recall: SOLAR Framework
- S — Solar Mission (National Solar Mission targets and achievements)
- O — Offshore wind (new policy focus and potential)
- L — Leading states (Rajasthan, Gujarat, Tamil Nadu in RE capacity)
- A — Alliance (International Solar Alliance and OSOWOG)
- R — REC mechanism (Renewable Energy Certificates and RPOs)
Prelims Revision Notes
For Prelims, focus on key facts, figures, and policy details. Remember India's 2030 target of 500 GW non-fossil fuel capacity. Understand the core renewable sources: Solar (highest potential, NSM, Solar Parks, PM-KUSUM, PLI), Wind (4th largest capacity, onshore/offshore policy), Small Hydro (decentralized, under 25 MW), Biomass (waste-to-energy, co-firing), Geothermal (Puga Valley), Ocean (nascent).
Key mechanisms: RPO (Renewable Purchase Obligation - mandatory procurement), REC (Renewable Energy Certificate - tradable green attribute), Net Metering (rooftop solar billing). Important infrastructure: Green Energy Corridor (transmission).
Recent initiatives: National Green Hydrogen Mission (2023), Energy Conservation (Amendment) Bill 2022 (mandating non-fossil use). Global context: International Solar Alliance (ISA - India-France initiative), One Sun One World One Grid (OSOWOG).
Constitutional provisions: Article 48A (DPSP), Electricity (Concurrent List). Be aware of leading states for each energy type. Questions often test the purpose of schemes, the functioning of mechanisms, and recent developments.
Pay attention to the 'why' behind each policy, e.g., why PLI for solar? To reduce import dependence. Why Green Hydrogen? To decarbonize hard-to-abate sectors. This will help in eliminating trap options.
Mains Revision Notes
For Mains, develop an analytical framework around renewable energy. Structure your understanding into: 1. Context & Importance: Climate change mitigation, energy security, sustainable development goals (SDG 7, 13).
2. Policy & Regulatory Landscape: Constitutional basis (Art 48A, Concurrent List), Electricity Act 2003 (RPO, REC), National Solar Mission, National Green Hydrogen Mission, PLI schemes, Offshore Wind Policy.
Critically evaluate their effectiveness. 3. Key Challenges: Grid integration (intermittency, transmission, storage), land acquisition, financing (high upfront costs, DISCOM health), manufacturing gaps, policy implementation inconsistencies.
4. Solutions & Way Forward: Smart grid technologies, energy storage (batteries, pumped hydro), domestic manufacturing push, innovative financing (green bonds), policy stability, demand-side management.
5. Socio-Economic Impact: Employment generation (green jobs), rural development (PM-KUSUM, decentralized energy), energy justice (equitable access). 6. India's Global Role: International Solar Alliance (ISA), One Sun One World One Grid (OSOWOG) – analyze strategic and diplomatic implications, India as a 'climate solutions provider.
' Integrate current affairs (e.g., specific project launches, policy updates) into each section. Practice writing answers that analyze, discuss, and suggest measures, always maintaining a critical yet constructive tone.
Use Vyyuha's analysis to frame unique insights, such as the paradigm shift from resource extraction to utilization. Ensure inter-topic connections are highlighted, linking renewable energy to economy, environment, and governance.
Vyyuha Quick Recall
The 'SOLAR Framework' for Renewable Energy in India:
- S — Solar Mission: Remember the National Solar Mission's targets (100 GW by 2022, 500 GW non-fossil by 2030) and key schemes like PM-KUSUM and PLI for solar manufacturing.
- O — Offshore wind: Focus on the new National Offshore Wind Energy Policy and its potential to diversify India's wind energy portfolio beyond onshore.
- L — Leading states: Recall the states leading in renewable energy capacity, such as Rajasthan (solar), Tamil Nadu/Gujarat (wind), and Himachal Pradesh (small hydro).
- A — Alliance: Think of the International Solar Alliance (ISA) and India's global leadership, including the 'One Sun One World One Grid' (OSOWOG) initiative.
- R — REC mechanism: Remember Renewable Energy Certificates (RECs) and Renewable Purchase Obligations (RPOs) as key market-based instruments for promoting renewable energy.