We serve more than 160,000 customers within Tacoma Power's service area, which stretches across Tacoma to University Place, Fircrest, portions of Fife, Lakewood, Federal Way, Steilacoom, Joint Base Lewis-McChord, other portions of Pierce County as far south as Roy.
We use various sources of generation to keep our service territory moving. Our largest source of generation is hydro power from our seven dams on four rivers in Western Washington.
Learn about our hydro licenses with the Federal Energy Regulatory Commission.
Check out our award-winning invention for cleaning moss off our dams and view the video.
Since we own hydroelectric dams, we also offer parks and recreation to the general public. Check out some great places to fish, camp and relax.
Watch a video about America's clean, renewable hydropower.
2014 Source Report
National Hydropower Association
Tacoma Power produces or buys electricity from a number of different resources. We are providing you with information about the fuel used to generate the electricity you used in 2014, the most recent numbers available.
The State of Washington requires that electric utilities provide this information to customers on a regular basis. The Washington Office of Trade and Economic Development, Energy Policy Section, publishes the information, based on reports from electric utilities.
Our Power Sources in 2014
The remaining 1% can include other sources such as biomass, natural gas, petroleum and waste.
*Represents a portion of the power Tacoma Power gets from the Bonneville Power Administration.
Integrated Resource Plan
Our Integrated Resource Plan (IRP) helps us assess a portfolio of available generation and conservation resources. The IRP analysis helps us ensure we have sufficient power resources to meet your long-term needs.
Visit our Integrated Resource Plan Page to learn more.