Obtaining wholesale transmission services

To view documents regarding Puget Sound Energy's rules, procedures and practices relating to the provisioning of transmission service:

  1. Go to the PSE OASIS website
  2. Browse through the Business Practices, Standards of Conduct and the Network Forms and Business Practices folders in the left-hand menu
  3. 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 service request summary: For transmission providers wishing to verify the firmness of a network customer's transmission service arrangements with PSE. If you do not have access to PSE's transmission service request summary, please contact us at 425-456-2479.

Current transmission queue.


More online resources

(OATI) OASIS
Open Access Technology International, Inc. (OATI) OASIS website

Dun & Bradstreet
Use to acquire a Data Universal Numbering System (D-U-N-S) number for your business, which will be required for registration on OASIS

OATI web registry site
Use your company's D-U-N-S number 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)


PSE transmission contact

transmaster@pse.com