At this time PSE does not offer combined billing for customers with multiple accounts.

Your business site may be located within a city, county or other jurisdiction that requires an earthquake valve to be installed on your natural gas line. If so, it must be installed by a qualified plumbing contractor, downstream from PSE's natural gas meter.

If you plan to install an earthquake valve, call 1-888-225-5773 or send an email to customer.care@tsunoi-toso.com and schedule PSE to have your gas service turned off during your installation. When your installation is complete, we will turn the gas back on.

Yes. Large business customers may be eligible for natural gas transportation. Transportation customers purchase natural gas from a third-party marketer and have it delivered by PSE. Natural gas rate schedules for transportation customers include Schedules 31T, 41T, 85T, 86T and 87T.

PSE requires 60 days’ notice to become a natural gas transportation customer, you must enter into a one-year delivery contract with PSE, and you must install a telephone line for PSE telemetering equipment at your natural gas meter.

Please note that there may be charges/credits associated with a transportation rate schedule.

If you have questions about becoming a Natural Gas Transportation customer, please contact your PSE account representative or email PSE at customer.care@tsunoi-toso.com for details.

Your electric and gas rate schedules (or plans) can only change once in any 12-month period.

We recommend reviewing your monthly usage to verify that your current rate schedule is appropriate for your business. You may be eligible to update your rate schedule, if your rate schedule has not changed in the last 12 months.

If your voltage requirements have changed, your business and PSE will need to install different equipment and electric service at your site. If your rate schedule has not changed in the last 12 months, then your rate schedule can change on the date of the voltage change.

If you’re an electric customer, your rate schedule (or plan) is determined by your voltage requirements (primary vs. secondary) and your demand usage during the most recent 12-month period.

We recommend reviewing your monthly usage to verify that your current rate schedule is appropriate for your business. You may be eligible to update your rate schedule, if your rate schedule has not changed in the last 12 months.

If you’re a natural gas customer, our most common commercial rate is Schedule 31.

If your business consistently uses more than 1,500 therms each month, Schedule 41 may be a better option. We also offer rates for interruptible natural gas service, such as Schedules 85, 86 and 87.

For a complete list of what’s available, check out our electric and natural gas rate schedules.

We post all of our rate schedules and tariffs on tsunoi-toso.com. Visit electric tariffs and rules or natural gas tariffs and rules for more information.