Existing Building Commissioning | Energy Solutions

Building Commissioning

Optimize your building's performance for greater energy efficiency and savings.


If you’re looking for ways to make your building work smarter, Existing Building Commissioning (EBCx) might be right for you. By making improvements to existing equipment and systems, you can save energy and reduce operational costs while creating a better environment for occupants. Plus, we’ve got incentives to help you pay for it.


  • Energy savings of up to 20%
  • Reduced operating and maintenance costs
  • Improved equipment life and reduced system failures
  • Greater occupant comfort and productivity
  • Increased building asset value
  • Tools and training provided
  • Typical payback period of two years or less

EBCx Incentive Structure

Incentive TypeSeattle City Light
Puget Sound Energy
Seattle City Light & Puget Sound Energy
Up to 100% of assessment costs
Up to 75% of commissioning provider costs
$0.25/sq. ft.$0.15/sq. ft.$0.35/sq. ft.
First-year performance:
Up to 100% of provider and implementation costs
$0.05/kWh$0.80/therm$0.05/kWh &

The initial assessment of a facility’s energy use is fully funded up to $5,000 per building. Buildings that qualify for EBCx also receive a fixed incentive based on the conditioned floor area. They can also earn a performance-based incentive. First-year performance incentives are paid once savings exceeds 7% for electric and 10% for gas.

Eligibility Requirements:

EBCx is open to City Light commercial customers who own or operate buildings that meet these characteristics:

  • 50,000 square feet or more of conditioned space
  • At least 75% of occupied space
  • Equipped with a Direct Digital Control building automation system

Buildings that need significant renovations or equipment replacements not covered by EBCx optimization measures may qualify for other incentives or our Pay-for-Performance program.

Contact an Energy Advisor.

To get started, or to better understand if EBCx is right for your business, contact an Energy Advisor today.