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