States producing the most hydroelectric power in 1990

(mkWh - million kilowatthours, Mgal/d - million gallons per day,
Figures are rounded)

State	Total electricity produced, in mkWh	Electricity produced by hydroelectic plants, in mkWh	Percent of total electicity coming from hydroelectic	Water used for hydroelectric purposes, in Mgal/d	Gallons of water to produce 1 kilowatthour
Alabama	76,700	10,300	13%	218,000	21
Alaska	4,720	980	21%	1,800	2
California	104,000	23,900	23%	75,000	3
Idaho	7,400	7,400	100%	67,800	9
Maine	13,400	4,000	30%	82,700	21
Montana	25,800	10,700	41%	66,800	6
New Hampshire	12,200	2,000	16%	46,000	23
New York	134,400	29,400	22%	459,000	16
Oregon	48,800	40,800	84%	481,000	12
South Dakota	6,800	4,300	63%	41,100	10
Tennessee	76,100	11,800	16%	160,000	14
Vermont	4,900	1,100	22%	17,700	16
Washington	100,800	87,300	87%	670,000	8
United States	2,800,000	299,000	11%	3,290,000	11

Hydroelectric-power water use Total water use

Go to: Data library Water-use page Water Science home page The URL for this page is http://ga.water.usgs.gov/edu/tables/dlhy.html Comments? Contact hperlman@usgs.gov Last Modified: Wednesday, 21-Apr-1999 08:25:42 EDT