Site Assessments Executing all the energy efficiency and conservation measures you can think of and are ready to incorporate renewable energy systems at your site, the next step is to have a certified site assessor assist you in the process. Certified Renewable Energy Site Assessors can help you determine if your home or small business site is appropriate for the installation of a wind energy system. The locator chart for a Certified Site Assessor (right), including contact information, technologies that they are certified in, and service territory. Please check each assessor's certifications before you contact them.