On the Wind Energy Resource and Its Trend in the East China Sea

Table 3

Wind power classification [21].

Power class	Power density (w/m^2) at 10 m
1	0 < ≤ 100
2	100 < ≤ 150
3	150 < ≤ 200
4	200 < ≤ 250
5	250 < ≤ 300
6	300 < ≤ 400
7	400 < ≤ 1000