Assessment of Wind Characteristics and Wind Power Potential of Gharo, Pakistan

Table 4

Wind energy generation classification by National Renewable Energy Laboratories [43].

Wind class	Resource	Height 30 m (AGL)		Height 50 m (AGL)
		Wind speed (m/s)	Wind power density (W/m^2)	Wind speed (m/s)	Wind power density (W/m^2)
1	Poor	00–5.1	0 0–160	00–5.4	00–200
2	Marginal	5.1–5.9	16–240	5.4–6.2	200–300
3	Moderate	5.9–6.5	240–320	6.2–6.9	300–400
4	Good	6.5–7.0	320–400	6.9–7.4	400–500
5	Excellent	7.0–7.4	400–480	7.4–7.8	500–600
6	Excellent	7.4–8.2	480–640	7.8–8.6	600–800
7	Excellent	8.2–11.0	640–1600	>8.6	>800