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Power from River Flow Idaho Power & Bonneville Power Administration Data also available from Energy Information Administration

Owner	Power Project	Power per Unit Flow		Value*
		kilowatt-second /cubic foot	kilowatt-hour /acre-foot	Dollars /acre-foot	Dollars /400,000 acre-foot
Idaho Power	Swan Falls	1.7	20.6	$0.7	$290,000
Idaho Power	Brownlee	19.8	240	$8.4	$3,400,000
Idaho Power	Oxbow	7.6	92	$3.2	$1,300,000
Idaho Power	Hells Canyon	15	182	$6.3	$2,500,000
US Government	Lower Granite	7.4	89.5	$3.1	$1,250,000
US Government	Little Goose	7.4	89.5	$3.1	$1,250,000
US Government	Lower Monumental	7.5	90.7	$3.2	$1,270,000
US Government	Ice Harbor	7.4	89.5	$3.1	$1,250,000
US Government	McNary	5.4	65.3	$2.3	$910,000
US Government	John Day	7.9	95.6	$3.3	$1,300,000
US Government	The Dalles	6.4	77.4	$2.7	$1,100,000
US Government	Bonneville	3.7	55.6	$1.9	$780,000

^*Assumptions:
Assuming an average price of $0.035 / kilowatt-hour and that all water goes through turbines to generate electricity. This value estimate is a rough estimate as the value of electricity is strongly dependent on season and time of day.

Conversion Factors:
43560 cubic feet / acre-foot
3600 seconds / hour

Notice:
427,000 acre-feet of flow augmentation beginning at Idaho's Swan Falls Dam generates $12 million dollars worth of electricity.

Related Pages:
Review of Lower Snake River Flow Augmentation Studies by Independent Science Advisory Board, April 27, 2001

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Idaho Power & Bonneville Power Administration
Power from River Flow
From Interviews, data also available from Energy Information Administration

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