http://www.slate.com/articles/business/the_juice/2015/05/rock_island_arsenal_switches_to_renewables_the_government_s_cheap_easy_way.html

Big defense contracts awarded to big defense contractors are usually a big cause for concern. They tend to go over budget, often for things we don’t really need (like a certain type of fighter plane). But a couple weeks ago, the Pentagon announced a contract with a big-time defense contractor that good-government and energy-efficiency types should cheer—and demand grow more common. Honeywell Building Solutions, a unit of the conglomerate Honeywell, got a $22.4 million contract to overhaul the energy system at Rock Island Arsenal—an ancient military outpost on an island in the Mississippi River between Iowa and Illinois.