Allen Hall, President, Pinnacle Lightning Protection LLC,  www.pinnaclelightning.com Greg Shine, President, Shine Wire Products Inc., www.shinewire.com Lightning damage to wind-turbine blades is one of the most frustrating and expensive in-service issues confronting operators today. Damaged blades lead to costly and time-consuming repairs and extended periods of down-time. Over the last several years, the wind community and lightning researchers have studied lightning…