Abstract

In our study, we analyze the nodal price responses to Hurricane Harvey in Texas wholesale electricity markets, treating the event as a natural experiment. Using a network matrix and synthetic control method, we find that the most significant price impacts occurred in southern Texas, particularly in nodes that were connected to fewer other nodes and were electrically closer to the most damaged parts of the network. This finding highlights the importance of adopting an electric network-oriented perspective when examining the impacts of external shocks on the wholesale electricity market. Furthermore, our study reveals that counties with inferior economic conditions and frequent exposure to hurricanes experienced more substantial economic losses due to electricity price spikes. Therefore, enhancing electric infrastructure and disaster preparedness in those regions is crucial for policy considerations.

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