Find all the resources you need for interstate and intrastate storage services right here. Check back often.
View maintenance schedule
Mist Storage Maintenance Schedule Notice on February 26, 2025 SPRING 2025 MAINTENANCE Annual spring maintenance for the Mist storage facility is scheduled to take place from April 1 through April 17, 2025. NW Natural does not guarantee it will be able to confirm nomination requests for storage injections/ withdrawals during this maintenance period and service could be interrupted as discussed in Section 8.9 of the Mist Operating Statement. To minimize service disruptions, NW Natural requests that customers notify us regarding any plans to utilize Mist storage during this time. Should any service disruption be necessary, firm service requests will take priority over interruptible service requests. Thank you for your cooperation and your business. Please continue to monitor this site for updates. If you have any questions, please contact NW Natural’s Gas Supply Department as soon as possible at: nominations@nwnatural.com.
Mist operating statement
Learn more about how NW Natural shall provide firm and interruptible storage and related transportation services pursuant to Section 284.224 of the Federal Energy Regulatory Commission's (hereafter “FERC” or “Commission”) rules and regulations, 18 C.F.R. § 284.224.
Storage operating procedures
Read about Operating Procedures regarding the storage of customer-owned gas at NW Natural’s Mist storage facility and associated transportation to and from Mist on NW Natural’s distribution system facilities.
This is not a tariffed document, but may be referenced and incorporated by NW Natural’s currently effective Operating Statement governing the operating details applicable to Interstate and Intrastate Storage Services.
Interstate storage service rates
Intrastate storage service
Mist inventory
This chart is updated on a weekly basis, but NW Natural makes no guarantee or warranty to any party as to the accuracy of its data or that the chart can be relied on to predict future Mist activity.
View Mist inventory data, with injection and withdrawal activity.
