Context
India’s renewable energy sector is facing financial stress as nearly 21 GW of commissioned renewable capacity is awaiting grid connectivity due to delays in transmission infrastructure.
Explanation
- Renewable energy curtailment is the intentional reduction of electricity generation when the grid cannot evacuate or absorb power.
- The main causes are transmission constraints, grid congestion, mismatch between generation and demand, and delays in transmission projects.
- Power evacuation refers to transmitting electricity from the generating station to the grid through the Inter-State Transmission System (ISTS).
- Projects under Temporary General Network Access (T-GNA) receive temporary grid access until permanent transmission infrastructure is commissioned.
- Curtailment reduces capacity utilisation, revenues, and investor confidence, affecting India’s 500 GW non-fossil fuel capacity target by 2030.
- Transmission bottlenecks have led to significant renewable energy curtailment, affecting project viability and clean energy integration.
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Renewable Energy Curtailment and Grid Infrastructure