Three draft studies released by the Drawdown Regional Economic Workgroup
(DREW) offer preliminary estimates of some direct, annual costs to the
region for removing four lower Snake River dams.
According to the draft hydropower impact report, removal of the four
dams could cost the region $150 million to $360 million annually, or a
net present value of $2.1 billion to $7.4 billion over 100 years just to
make up for the power and system reliability that would be lost.
A draft …