REPP - Research Report - A FEW DOLLARS PER FAMILY: The Cost of Large-Scale Wind Power Development by principal authors: Jamie Chapman, OEM Development Corp. and Steven Wiese, Planergy, Inc. with contributing authors: Edgar DeMeo, Electric Power Research Institute and Adam Serchuk, Renewable Energy Policy Project

Table 1. Wind Turbines and Land Area Required to Supply 10 Percent of Demand

State Wind Capacity
Potential^a (MW) Wind Energy
Potential^a
(billion kWh) Available Windy
Land
Area^a (km²) % of Total Land
Area in State^a Number of 750-kW
Turbines Needed to
Supply 10% of
1993 Demand^b Land Area
Required (km²) % of Available
Windy Land % of Total
Land Area

North Dakota
Texas
Kansas
South Dakota
Montana
Nebraska
Wyoming
Oklahoma
Minnesota
Iowa
Colorado
New Mexico
138,400
136,100
121,900
117,200
116,000
99,100
85,200
82,700
75,000
62,900
54,900
49,700
1,210
1,190
1,070
1,030
1,020
868
747
725
657
551
481
435
100,700
123,700
108,700
93,700
97,300
90,100
63,400
72,900
61,100
56,700
45,700
46,600
55.0
18.2
51.3
47.6
25.8
45.4
25.2
41.0
29.7
39.1
17.0
18.8
402
13,595
1,859
255
701
1,017
647
2,202
2,674
1,745
1,794
810
49
1,651
226
31
85
123
79
267
325
212
218
98
0.05
1.33
0.21
0.03
0.09
0.14
0.12
0.37
0.53
0.37
0.48
0.21
0.03
0.24
0.11
0.02
0.02
0.06
0.03
0.15
0.16
0.15
0.08
0.03

12-State Totals
48-State Totals
1,139,100
1,230,000
9,984
10,777
960,600
1,040,000
29.9
13.5
27,702
154,833
3,363
18,798
0.35
1.81
0.10
0.24

^a Values taken from Elliott et al., Assessment of Available Windy Land in the U.S., table B.1, pp. B.2-B.3. The values shown are for exclusion category 3, in this sources terminology.
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^b Values are based on a 28 percent capacity factor, no losses, and 30 acres per wind turbine.
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State	Wind Capacity Potential^a (MW)	Wind Energy Potential^a (billion kWh)	Available Windy Land Area^a (km²)	% of Total Land Area in State^a	Number of 750-kW Turbines Needed to Supply 10% of 1993 Demand^b	Land Area Required (km²)	% of Available Windy Land	% of Total Land Area
North Dakota Texas Kansas South Dakota Montana Nebraska Wyoming Oklahoma Minnesota Iowa Colorado New Mexico	138,400 136,100 121,900 117,200 116,000 99,100 85,200 82,700 75,000 62,900 54,900 49,700	1,210 1,190 1,070 1,030 1,020 868 747 725 657 551 481 435	100,700 123,700 108,700 93,700 97,300 90,100 63,400 72,900 61,100 56,700 45,700 46,600	55.0 18.2 51.3 47.6 25.8 45.4 25.2 41.0 29.7 39.1 17.0 18.8	402 13,595 1,859 255 701 1,017 647 2,202 2,674 1,745 1,794 810	49 1,651 226 31 85 123 79 267 325 212 218 98	0.05 1.33 0.21 0.03 0.09 0.14 0.12 0.37 0.53 0.37 0.48 0.21	0.03 0.24 0.11 0.02 0.02 0.06 0.03 0.15 0.16 0.15 0.08 0.03
12-State Totals 48-State Totals	1,139,100 1,230,000	9,984 10,777	960,600 1,040,000	29.9 13.5	27,702 154,833	3,363 18,798	0.35 1.81	0.10 0.24