Lucas W. Davis, Catherine Hausman, Monday, June 16, 2014

Estimating the economic value of energy transmission is difficult because investments in transmission capacity are endogenous to market conditions. This column presents recent research that takes advantage of a natural experiment to generate a credible counterfactual. The unexpected closure of the San Onofre Nuclear Generating Station in California increased generation costs by $350 million per year; it also led to increased carbon emissions worth $320 million annually.