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Energy Efficiency

The Port of Seattle understands that energy efficiency is critical to reducing our footprint, lowering emissions, and lowering costs. Efficiency projects at our maritime and aviation facilities have resulted in reductions of millions of kWh of electricity and therms of natural gas use.

Pier 69 - Energy Star Recognized

Pier 69 (the Port's headquarters building) and all of the port’s properties are great examples of the port’s commitment to revitalizing Seattle’s working waterfront and leading the way in environmental stewardship. Facilities Management initiated an energy conservation program in late 2000. While the focus has been primarily on optimization of existing systems rather than capital improvements, the results of the program have been dramatic:

  • Electrical usage has been reduced by 50% from the original usage level — over 2.38 million KW hours savings annually. At current electricity rates this equals $160,000 in annual savings.
  • Equipment wear and tear has been significantly reduced, and indoor air quality complaints have been reduced by 80%. This project received Energystar recognition for efficiency.

Terminal-46 Lighting Project

Along Terminal 46, the 630 older flood lamp fixtures have been replaced with 300 energy-efficient high-pressure sodium vapor lamps. The high-mast, fully shielded lamps comply with International Dark-Sky Association guidelines that permit use of outdoor light for safety and security while reducing the negative effects of night lighting.

  • High-mast lamps are expected to conserve about 1,200,000 kWh per year.
  • Longer lifespan and energy efficiency - saves up to $140,000 in yearly operational and maintenance costs.
  • The port worked on the re-lamping project with Total Terminals International Company and the City of Seattle, which contributed more than $325,000 in Energy Smart Services rebates.

LEED-Built Rental Car Facility at Sea-Tac Rental Car Facility

  • Seattle-Tacoma International Airport's Consolidated Rental Car Facility opened in 2012. The five-story facility is designed to meet a number of the U.S. Green Building Council's LEED guidelines.The efficiency of this 23-acre project includes reduced need for cooling, heating and ventilation.
  • Interior construction uses low volatile organic compound paints, sealants, adhesives, and carpeting.
  • During construction 96% of excess building material (concrete, wood, drywall, masonry, steel, cardboard and office debris) is being recycled.

Seattle-Tacoma International Airport Terminal

  • The airport’s terminal, cargo and parking facilities have all undergone energy efficiency improvements.  These range from LED lighting projects to re-engineering of heating and cooling systems. These projects include:
  • Lighting control and replacement projects, including LEDs that result in savings of 15.6 million kWh/year
  • Improving efficiency of heat exchanges, chillers, air handlers, and installing variable speed drives that result in savings of 27.6 million kWh/year and 430,000 therms/year


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