Regulated companies are required to report to the commission annually. Company reports are posted when they are available.
Note: If you’re looking for data for the most recent year regarding total number of customers, megawatt hours and dollars spent you can find the information on the statistics data request sheet found in the supplemental report for each utility.
For data from previous years visit: www.eia.gov.
Electric
- 2022 Avista Corporation
- 2022 Avista WA Supplemental
- 2022 Pacific Power & Light Company
- 2022 Pacific Power & Light Company Supplemental
- 2022 Puget Sound Energy
- 2022 Puget Sound Energy Supplemental
Natural Gas
- 2022 Avista Corporation
- 2022 Avista Corporation Supplemental
- 2022 Cascade Natural Gas Corporation
- 2022 Cascade Natural Gas Corporation Supplemental
- 2022 Northwest Natural Gas Company
- 2022 Northwest Natural Gas Company Supplemental
- 2022 Puget Sound Energy
- 2022 Puget Sound Energy Supplemental