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
2021 Avista Corporation
2021 Avista WA Supplemental
2021 Pacific Power & Light Company
2021 Pacific Power & Light Company Supplemental
2021 Puget Sound Energy
2021 Puget Sound Energy Supplemental
Natural Gas
2021 Avista Corporation
2021 Avista Corporation Supplemental
2021 Cascade Natural Gas Corporation
2021 Cascade Natural Gas Corporation Supplemental
2021 Northwest Natural Gas Company
2021 Northwest Natural Gas Company Supplemental
2021 Puget Sound Energy
2021 Puget Sound Energy Supplemental