Transmission services
The regulation of wholesale sales of electricity and transmission of electricity in interstate commerce falls under the Federal Energy Regulatory Commission, or FERC. Puget Sound Energy’s electric transmission business operates independently and markets its transmission services using an Open Access Same-time Information System (OASIS). Further information about PSE’s OASIS, Open Access Transmission Tariff (OATT), business standards and practices, standards of conduct, transmission planning, the Western Energy Imbalance Market and Available Transfer Capability (ATC) can be found in the hyperlinks below.
Obtaining wholesale transmission services
To view documents regarding Puget Sound Energy's rules, procedures and practices relating to the provisioning of transmission service:
- Go to the PSE OASIS website
- Browse through the Business Practices, Standards of Conduct, ATC and other folders in the left-hand menu
- Select the documents you'd like to see
Once there, you'll find a number of regularly updated documents from PSE Transmission Services, including:
- Standards of conduct for transmission providers: PSE's compliance with the Federal Energy Regulatory Commission (FERC) Standards of Conduct, including implementation procedures
- Transmission credit policy: Information regarding credit review procedures related to obtaining transmission services from PSE
- PSE's Open Access Transmission Tariff, Attachment L: Information regarding credit review procedures related to obtaining transmission services from PSE
- PSE critical energy infrastructure information (CEII) request form: Used to request CEII from PSE
- PSE OASIS Transmission Offering Summary: For transmission customers wishing to verify ATC information
Online resources
OASIS
PSE’s OASIS
OATT
PSE OATT (tariff)
ATCID
PSE’s Available Transfer Capability Implementation Document
Electric Industry Registry
To register as a Transmission Customer
North American Energy Standards Board
Specific information relating to business practices developed by the North American Energy Standards Board (NAESB)
Western Energy Imbalance Market
Enables our ability to buy and sell energy anywhere in the West
PSE transmission contact
Please contact us if you have additional questions
