Preface Thank you for sending me a copy of your book--I'll waste no time reading it. Moses Hadas, 1900­1966 The purpose of this book is to help power system analysts, consultants, and regulators understand, undertake or better understand wind integra- tion studies. A significant diversity exists in the power industry with respect to operating practices, level of sophistication in the industry's analyses, and in the very language used. For that reason, there is no single way to serve all analytical needs with respect to wind valuation studies. A range of approaches to the analytical problems will be presented where possible. A fairly complete glossary is included in the back of the book to address the various usages of terms such as `capacity' and `reserves'. It is not practical at