Grand Canyon Issues
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Hydropower Economics
The Trust commissioned a report on hydropower economic at Glen Canyon Dam from the highly regarded energy economist, David Marcus. The report concludes that changing Glen Canyon Dam operations from the status quo (MLFF) to the pro–Grand Canyon seasonally adjusted steady flows (SASF) would cost very little — even across a whole year’s worth of dam operations. From the report’s conclusions:
Based on historical data from the most recent water year, and based on actual prices during that year, shifting to SASF in water year 2008 would have decreased the value of Glen Canyon Dam generation, and thereby increased costs to end users, by between $1.0 and $8.9 million. Changes in the value of Glen Canyon Dam generation would result in changes in average residential electric bills in the six-state area served by Glen Canyon Dam of zero for two-thirds of the customers in the six states. For the other third of the customers, the average residential household electric bill would have increased by between 1 cent per month and 10 cents per month. In Arizona, where residential customers use more electricity per capita than in the other five states, the average residential bill impact would have ranged from 1 cent per month to 12 cents per month.
To see the report, visit our Downloads page.
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