ニューイングランドのエネルギーコスト削減を可能にする洋上風力発電の調査結果(Study Finds Offshore Wind Could Drive Down Energy Costs in New England)

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2022-04-21 ノースカロライナ州立大学(NCState)

ニューイングランドのエネルギーコスト削減を可能にする洋上風力発電の調査結果(Study Finds Offshore Wind Could Drive Down Energy Costs in New England)Wind turbines. Credit: Nicholas Doherty on Unsplash, https://unsplash.com/photos/pONBhDyOFoM,

ノースカロライナ州立大学の研究者が主導する新しい分析によると、洋上風力発電は、ニューイングランドの6つの州の平均で卸売電気料金を下げるのに役立ち、冬の異常気象時に風力タービンが故障するリスクは比較的低いことがわかりました。

<関連情報>

異常気象による風力発電の損失がニューイングランドの卸売電力市場に与えるリスクの評価 Assessing risks for New England’s wholesale electricity market from wind power losses during extreme winter storms

Kerem ZiyaAkdemir,Jordan D.Kern,JonathanLamontagne
Energy  Published:4 April 2022
DOI: 10.1016/j.energy.2022.123886

Abstract

In the United States, New England faces difficulties from severe winter weather, during which its power grid simultaneously experiences high natural gas prices and electricity demand, leading to spikes in wholesale electricity prices. In recent years, a significant amount of offshore wind power capacity has been planned for the region, and previous studies have suggested the presence of offshore wind could lower emissions and market prices during cold snaps. However, there has been limited consideration of potential wind power losses during extreme winter weather due to excessive wind speeds, which could lead to sudden losses of wind power. This aim of this study is to quantify risks associated with sudden wind power losses during extreme winter weather, especially the potential for these events to cause spikes in the wholesale electricity price. Results suggest that these so-called wind turbine “cut-out” events likely represent a minor risk compared to the loss of wind power due to low wind speeds and sudden drops in wind speeds during summer, when demand for electricity is higher. Overall, the benefits of having offshore wind power during extreme winter weather appear to outweigh the risks associated with relatively rare cut-out events caused by excessive wind speeds.

0401発送配変電
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