Extreme heat, coastal storm surge, inland flooding and more violent storms are the most significant climate-driven impacts to Con Edison’s energy delivery systems and its customers through the 21st century, according to a report issued today.


The report (, developed by Con Edison in collaboration with ICF and Columbia University’s Lamont-Doherty Earth Observatory, leverages the latest available climate science data. The study evaluated present-day infrastructure, design specifications, and procedures against expected climate change to better understand its future impact on Con Edison’s energy delivery systems. The company’s electric, gas and steam systems are all subject to increased flooding from coastal storms, while the electric system is also challenged during periods of sustained heat.


Among the study’s findings is an increase in days when the heat index will reach or exceed 103 degrees, from two days a year now to anywhere from seven to 26 days a year by 2050.


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