Wind Energy for Irrigation

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Irrigation
R. Nolan Clark USDA-Agricultural Research
Service Bushland, TX
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Top 10 States - Irrigated Acres
State USDA USGS
California 8,139,834 10,100,000
Nebraska 5,692,215 7,820,000
Texas 5,237,584 6,490,000
Arkansas 4,043,382 4,510,000
Idaho 3,188,406 3,750,000
Colorado 2,942,230 3,400,000
Kansas 2,650,486 3,310,000
Montana 1,740,873 1,720,000
Florida 1,613,719 2,060,000
Washington 1,554,813 1,570,000
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Source of Water
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Irrigation Water Use (ac-ft)
State USDA USGS
California 25,153,495 34,200,000
Texas 7,473,880 9,680,000
Idaho 6,030,447 19,100,000
Arkansas 5,516,603 8,870,000
Colorado 5,052,612 12,800,000
Nebraska 4,975,330 9,860,000
Arizona 4,117,652 6,060,000
Kansas 3,589,226 4,160,000
Washington 3,364,585 3,400,000
Oregon 3,255,501 6,810,000
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Application Rate (ac-ft/ac)
State USDA USGS
Arizona 4.7 6.2
California 3.1 3.4
Washington 2.2 2.2
Oregon 2.1 3.1
Idaho 1.9 5.1
Colorado 1.7 3.8
Arkansas 1.4 2.0
Kansas 1.4 1.3
Texas 1.4 1.5
Nebraska 0.9 1.3
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The Ogallala Aquifer
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Total Irrigated AcresCensus of Agriculture
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Surface Applications

• Sprinkler
• Applications

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Efficiencies of Irrigation Methods
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Method of Distribution
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Colorado
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Texas
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Colorado, Percent by Acres
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Kansas, Percent of Acres
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Texas, Percent by Acres
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Colorado
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Texas
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Powering Electric Pumps

• Average size 40-50 kW
• Existing electric grid 480V, 3-phase
• Issues
• Market for off-season electric power
• Meeting peak demand in summer

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Powering Gas/Diesel Pumps

• Average size 120-140 kW
• Existing electric grid 120-240V, single-phase
• Issues
• Weak grid for excess power generated
• Stand-by generator to meet peak demand in summer

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