SAS threw open the doors to its newest building on Monday, playing host to members of the international press as part of its annual “media day” ahead of the software giant’s annual weekly showcase for customers in Las Vegas.

“Building C,” as the massive structure is called, was the opening day star with company executives giving the media guided tours of the 287,190 square foot building.

The company is hoping to receive official LEED, or Leadership in Energy and Environmental Design, certification for “C.”.

Designed to be energy efficient from the beginning, it includes a six-story office tower where Chief Executive Officer and co-founder Jim Goodnight has located his office. It also features a high-tech Executive Briefing Center with 150-seat and 250-seat auditoriums as well as a huge cafeteria that is run by the Bon Appetit Food Management Company.

C also has its own roof-mounted solar farms – one for electricity, one for hot water.

Plus, the huge roof area is largely green, featuring trees and ground cover.

Additionally, rain is captured on the roof for use in the building’s toilets. And groundwater runoff is retained in a large pool for use with a big fountain.

Construction began on Building C in the fall of 2008. The new “C” takes the name of an early SAS building that was torn down several years ago.

For the initial announcement about C read here.

Get the latest news alerts: Follow WRAL Tech Wire at Twitter.