Transmission Services Interconnection Guidelines

Xcel Energy's transmission interconnection guidelines for our entire service territory are available for download in Adobe Acrobat format at the bottom of this page.

These guidelines represent the most current information consistent with rules and regulations as of the date of the document.

If you have any questions or inquiries related to Xcel Energy Transmission Interconnection information, please direct them to the following:

Amarillo - 806-640-6302
Denver - 303-273-4693
Minneapolis - 612-330-6773

Note: For small generators (less than 20 MW) interested in interconnecting to the NSPM or NSPW system, please follow the Large Generation Interconnections document.

1. Large Generation Interconnections - greater than 20 MW (624K PDF)
2. Small Generation Interconnections - 20 MW or less (606K PDF)
3. Transmission to Transmission Interconnections (379K PDF)
4. Interconnected Customer Loads (598 KB)
5. Testing Standards (452K PDF)
6. Load Interconnection Cost Allocation Policy (83 KB)