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Grid parity is reached when renewable energy cost matches grid electricity cost, making renewables economically competitive without subsidies.
公式
Calculate: LCOE (levelized cost of energy) = (total cost) / (total energy produced)
ステップバイステップガイド
- 1Calculate: LCOE (levelized cost of energy) = (total cost) / (total energy produced)
- 2Compare to local grid electricity price (typically $0.10-0.15/kWh)
- 3Grid parity varies by location and year
解いた例
入力
Solar LCOE $0.08/kWh, grid price $0.12/kWh
結果
Solar at grid parity, economically competitive
Common as of 2023
避けるべきよくある間違い
- ✕Assuming grid parity means energy transition is complete
- ✕Neglecting location-specific resource differences
よくある質問
Is grid parity the end goal?
No, it's a milestone. Energy transition requires addressing intermittency, storage, grid modernization.
Why do some regions lag grid parity?
Poor solar/wind resource, high labor costs, old subsidized coal plants, or conservative policies.
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