Design Guidelines for Historic Sites and Districts in Montgomery County, Maryland
http://montgomeryplanning.org/blog-design/wp-content/uploads/2011/06/solar-guidelines.pdf
Report a broken linksolar energy
Chapter 3 of the county's historic design guidelines provides design objectives for mounting solar panels on historic buildings without changing the character of the building, providing guidelines for installations that reduce visual impacts of solar panels as seen from public rights-of-way (Sec. 9.0).
Montgomery, MD
2010 Population: 971,777
2010 Population Density: 1,978.16/square mile