Understanding Solar Power Curtailment: Mechanisms and Economic Implications
English 한국어 Understanding Solar Power Curtailment: Mechanisms and Economic Implications Solar power curtailment has emerged as a significant operational challenge in the renewable energy sector. This document provides an academic overview of its definition, underlying causes, and economic ramifications for power plant operators. 1. Definition of Curtailment Solar curtailment refers to the deliberate reduction or complete suspension of electricity generation from solar photovoltaic (PV) facilities, mandated by grid operators (such as the Korea Power Exchange). This mandatory measure is deployed when power supply significantly exceeds demand or when transmission grid constraints threaten the overall stability of the power system, thereby preventing potential blackouts. 2. Primary Causes Supply and Demand Imbalance: During periods of low electricity consumption (e.g., weekends in spring and autumn) coupled...