All references are based on the 2011 edition of the NEC.
When used for specific loads, small wind electric systems (SWESs) are often the sole power source. When used for general power, however, they usually supplement another power source. Each individual wind turbine in this classification range must be power rated 100kW or less [694.1], as shown in Fig. 1. Keep in mind that while Art. 694 does not limit the number of wind turbines that can be insta