Our Power Sources

Clean, reliable power starts with the resources around us. Most of Tacoma Power’s electricity comes from renewable hydropower, with nearly half generated at our four hydroelectric projects in western Washington. Together with our other energy resources, Tacoma Power’s electricity supply is nearly carbon-free.

Planning for Our Future Power Needs

Tacoma Power’s Integrated Resource Plan, evaluates future electricity needs, available power resources and conservation opportunities. This long-term planning helps ensure Tacoma Power has sufficient resources to continue providing reliable electricity to customers.

Where Our Electricity Comes From

Tacoma Power produces or purchases electricity from several resources to provide reliable power to our customers.

2023 Power Sources

Hydropower and Watershed Stewardship

Tacoma Power’s hydro projects operate under Federal Energy Regulatory Commission (FERC) licenses that guide our work to support fish and aquatic resources, protect wildlife and lands, provide parks and recreation opportunities, and preserve cultural and historic resources.