In all districts, all energy infrastructure equipment and accessory mechanical equipment located on roofs, other than solar energy systems, shall be subject to the following provisions when not located within a completely enclosed building, whether or not such equipment is penetrating a maximum height limit or a sky exposure plane.

All such equipment shall be screened on all sides. Such screening may be opaque or perforated, provided that where perforated materials are provided, not more than 50 percent of the face is open.