EPRI convened a May 8 workshop in Washington, D.C. to develop further understanding of the wide range of cost estimates (Figure 1) that have been made public over the last six months. The meeting was attended by Congressional staff, government officials, energy-economy modelers and electricity company staff.

An overview and introduction of the legislation and different models was presented by Tom Wilson, EPRI Senior Program Manager.
>> Understanding Model Estimates of the Economic Costs of Climate Policy (4.6MB PDF)

>> Webcast Summary and Discussion of EPRI May 8 Workshop
by Tom Wilson

1 hour 6 minutes 55 seconds

Workshop participants agreed that presentation of their modeling assumptions and results in a common format could provide important insights for decision makers and reduce confusion on how to interpret different estimates of costs.

Variation in Cost Estimates
While there are important differences in the modeling approaches and models used, much of the variation in the cost estimates appears to be driven by a handful of key assumptions. >> Read more