Other obstacles for wind are administrative in getting planning permissions and grid access.

阻碍风能发电的其他障碍来自于行政方面，比如获得规划许可和入网授权。

Such big plants are harder to finance than small photovoltaic installations, and require more planning permissions and infrastructure, such as transmission lines. But they produce a lot of power.

这样规模的工厂相比小型的光电装置在筹措资金方面更困难，并要求更繁琐的规划许可和基础设施，如传输线，但是其产电量很大。