January 18th, 2019
Replacement cost of the U.S. Electric Power Grid - $5 Trillion
$100 Billion just to maintain as is.
What makes up the U.S. electric power grid? Power plants, high and low voltage transmission lines, distribution lines, substations, and transformers. The diagram below shows the age of our power plants, red being the oldest. The average age is 35 years. In the West, most plants are 40-50 years old while on the East coast most are 100 years old. In Manhattan, the birthplace of our grid, some are 135 years old. The average age of transformers and transmission lines is 30 years.
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