Renewable energy curtailment occurs when available renewable generation is reduced or shut down due to grid constraints, oversupply, or system limitations. Curtailment represents lost clean energy and economic inefficiency. Common causes include transmission bottlenecks, lack of storage, insufficient demand flexibility, and grid stability constraints. Reducing curtailment is a key objective for renewable energy integration. Solutions include expanding transmission infrastructure, deploying energy storage, enabling demand response, and improving forecasting. Sector coupling and power-to-x technologies can also absorb excess renewable energy. Minimizing renewable energy curtailment improves system efficiency, reduces costs, and maximizes environmental benefits. Addressing curtailment is essential for achieving high renewable penetration and sustainable energy transitions.
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