Fuel Mix and Emissions Disclosure

WA Generation Disclosure investor-owned utility municipal utilities cooperative utilities

Quick Summary

Washington utilities must disclose annually what fuels generate your electricity—coal, hydro, natural gas, nuclear, wind, solar, or unspecified sources—displayed as percentages on their public websites, similar to a food label so you can understand your energy source.

AI-generated summary • Updated 7/12/2026

Program Details

Program ID: 87
Last Updated: 8/9/2023

Eligibility

Eligible Sectors

investor-owned utility municipal utilities cooperative utilities

Program Summary

Washington’s retail electric suppliers must disclose details regarding the fuel mix of their electric generation to the Department of Commerce, as well as to their customers. Electric suppliers must provide such information in a standard format annually to customers.

Starting in 2021, each utility must calculate and report the greenhouse gas content of the electricity it provides to retail customers in Washington.

Contact & Resources

Contact Email

[email protected]

Additional Resources

https://www.commerce.wa.gov/growing-the-economy/energy/fuel-mix-disclosure/

Please verify current program details with the administering agency before making any financial decisions.