Applications and Wind Industry - Wind Energy: Renewable Energy and the Environment - page 207

TABLE 10.6
Configuration of the Five Village Power Systems (Hybrid with Batteries) in Bulunkou
Township, China (Wind Turbine Size, 10 kW Each)

Bulunkou Subashi N. Subashi S. Gaizi Kahu Lake Total

Wind 20 kW 20 kW 10 kW 20 kW 10 kW 80 kW

Solar 4 kW 4 kW 0 2 kW 0 10 kW

Diesel 30 kVA 30 kVA 15 kVA 30 kVA 15 kVA 120 kVA

Inverter 30 kVA 30 kVA 15 kVA 30 kVA 15 kVA 120 kVA

Battery bank 1,000 Ah 1,000 Ah 500 Ah 1,000 Ah 500 Ah 4,000 Ah

Mini grid length, m 1,200 750 3,600 590 350 6,490

Number of posts 18 12 69 85 5 189

10.5.1 C HINA
There are around 1,800 renewable village power systems in the world (a very rough estimate), with
over 1,250 in China. Around 100 renewable village power systems from 5 to 200 kW were installed
in China by 2000; however, there were still over 21,000 villages and 7 million households without
electric service [34, chap. 2]. Since then, China leads the world in installation of renewable village
systems, of which 100 include wind. One example is the electrification of five villages in Bulunkou
Township (Table 10.6) in Xinjiang Uigur Autonomous Region, China [34, chap. 5].
China started a Township Electrification Program in 2002, whose goal was to provide electric-
ity to 1.3 million people in seven western provinces. The program called for 1,013 village power
systems with a capacity over 18 MW: 292 small hydro, 689 PV, 57 PV/wind, and 6 wind systems
(Table 10.7). Because the projects required some funding from the townships, not all the planned
projects were installed. Notice the large difference in average size of the mini hydro versus PV and
PV/wind systems, 780 kW versus 22 kW. In 2005, sixty-six of the PV/wind hybrid systems were

TABLE 10.7
Renewable Village Power Systems and Single Household Systems (SHS) from SDDX
Program in Western Provinces of China

Cap
kW

Cap
kW

Cap
kW Province PV/Wind Mini hydro SHS

Tibet 329 6,763 72 16,470

Qinghai 112 2,715 6,800 136

Xinjiang 110 1,417 1 110 2,886 144

Corps 49 961 4,247 212

Inner-Mongolia 42 752 1,525 610

Gansu 23 995 8 35,190

Sichuan 46 1,817 21 21,990

Shaanxi 9 100 16 21,985

Chongqing 3 4,840

Yunnan 4 4,460

Jiangxi 2 1,650

Hunan 1 20 19 7,070

Total 721 15,540 146 113,765 15,458 1,102