Instead of instituting a long-term subsidy for wind power, the lawmakers have extended the tax credit on a year-to-year basis, and the continual uncertainty has slowed investment in wind farms.

• 立法者年复一年延长生产抵税的适用期限，却不制定更长远的风力发电优惠法案，这样的不确定性降低了风力发电的投资意愿。