SMALL & DISTRIBUTED WIND SYSTEMSTexas/European Union

Wind Energy Symposium

10/27/09

Vaughn Nelson

Alternative Energy Institute,

West Texas A&M University

WORLD WIND 2008number MW

Dist-Community >2,000 >500

Small (<= 100 kW) 600,000 200-250

Village, hybrid >1000 >50

Wind Diesel >250 >25

Telecomm # 500 2

Farm windmill 310,000 eq 155

SMALL WIND

World 2008 production, 39 MW 200 + manufacturers China 50, Europe 40New manufacturers (100 in last 2 years)China 50,000 units per year, 0.1-0.2 kW 40% exportedUS leading producer in the 0.5-50 kW range 17 MW in 2008; off-grid 3.7, on-grid 13.6See awea.org; small wind

COST OF ENERGY, RANGE

SYSTEM, kW $/kWh1 0.35-0.20

10 0.28-0.1850 0.23-0.15

100 0.16-0.13

Wind Class 2-4Capacity Factors 20-35%

Inner Mongolia100 W

ChinaTelecomm1 kW each

ChinaPV 100 W

Wind 200 W

USPV 50 W

Wind 300 W

ChicagoAerotecture1 kW units$8,000 each

Energy AdventuresAcquarium, CAAerovironment1 kW units

Subashi, China

Wind 20 kW, PV 4 kWDiesel 30 kVABatteries 1000 AhInverter 38 kW

Kotzebue, AK diesel 11.2 MW, wind 915 kW

9, AOC 50 kWNorthern Pow

100 kW

Ascension Island, diesel 3.8 MW, wind 2.7 MW

225 kW900 kW

AEI, www.windenergy.org, 806 651 2295

Vaughn Nelson, Wind Energy, Renewable Energy and the Environment, WT Bookstore, CRC Press or Amazon