BULLITT CENTER

As a commercial office building, the Bullitt Center is home to a variety of tenants. While organizations of all shapes and sizes are welcome, tenants are required to commit to energy and water budgets as part of the lease to ensure the building meets the Living Building Challenge.

 

Current tenants include the following:

Bullitt Foundation

Hammer & Hand

Intentional Futures

International Living Future Institute

PAE Consulting Engineers

Point32

University of Washington Integrated Design Lab

 

In addition to the tenants above, the building also includes a co-work space on the 4th floor with many different organizations. The tenants who have signed on so far are much more enthralled by the building’s ultra-green vision than the economics of super-efficiency, or not having to pay a water bill.

 

After one year of occupancy, Seattle’s Bullitt Center -- a six-story office building  used 75 percent less energy than a new building that meets Seattle’s energy code, according to Architectural Record. Below are the figures that show the electrical use and breakdown in Bullitt Center.

 

As we can see from the fig, the amount of electricity produced by solar array is more than building usage from May 2014 to October 2014. However, the productivity decreased and became much lower from November 2014 to February 2015 due to the cloudy and rainy weather in winter. From the data in 12 months, we can conclude that the solar production can completely satisfy the building electrical usage.

 

After one year of occupancy, the electrical use shows a decreasing trend since the building came into service in the second chart. The fig shows the electrical use breakdown by tenant and building respectively. For the tenant, the plug load is the largest electrical consumption item, while plumbing consume more electricity in building energy use.