This report provides a step-by-step approach to help managers of EERE evaluation projects create and manage objective, high quality, independent, and useful impact and process evaluations. It provides information to help with the following: Determine why, what and when to evaluate; identify the questions that need to be answered in an evaluation study ; specify the type of evaluation(s) needed; hire a qualified independent third-party evaluator; monitor the progress of the evaluation study; implement credible quality assurance (QA) protocols; ensure the evaluation report presents accurate and useful findings and recommendations; ensure that the findings get to those who need them; and ensure findings are put to appropriate use.