Nuclear Reactor Cost Estimates for South Texas Plants

In the figures released to date, NRG estimates the total costs for Units 3 and 4 at the South Texas Nuclear Project to be between $6.0 and 7.0 billion.*

Dr, Arjun Makhijani used methodology from Florida Power and Light estimates for similar reactors, plugging in data from CPS Energy in San Antonio. Makhijani estimates that the two proposed reactors would cost between $12.0 and $17.5 billion. (Shown in red)

Moody's Investors' Service estimates similar reactors between $13.5 and 16.2 billion.

STP Nuclear Costs

Chart and comments prepared by SEED Coalition, using data from news articles, Moody's reports and Dr. Arjun Makhijani's report, Assessing Nuclear Plant Capital Costs for the Two Proposed NRG Reactors at the South Texas Project Site - March 24, 2008.

* An article that appeared after this chart was prepared cited a figure of $8 billion.

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