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Interconnection Reference Files

This is the Interconnection Reference Files page for developers wanting to interconnect generation on the DESC System. This page should contain all relevant informational documents or documents for submittal you will need. If you are unable to find the file or information you need, please contact Adrith Rivers or Jay Cole.

Administrative Files

Customer Information Sheet
Payment Instructions
W-9 (DESC)

Construction and ROW Guidelines

Customer Substation Guidelines - Solar Supplement (rev6)
Customer Substation Guidelines (rev19)
DESC Standard DNP Point List to Customer (metering)
Distribution Level Construction Standards
Relaying Requirements for Interconnection -- DISTRIBUTION
Relaying Requirements for Interconnection -- TRANSMISSION

In-Service Inspection and Testing Requirements

In-Service Inspection & Testing Process v5

Interconnection Drawings (Generic)

46 kV Switching Station - General Arrangement Plan
115 kV Three-Breaker (straight bus) Sw Stn - General Arrangement
230 kV Three-Breaker (straight bus) Sw Stn - General Arrangement
Appendix 3-B Net Metering Connection
Appendix 3-B Offset-Sell Connection
Distribution Interconnection Drawings (1MW and greater)
Distribution Interconnection Drawings (less than 1MW)

Modification Requests

DESC Model Data Request
Power Limiting Letter (Requirements)
Power Limiting Letter (Sample 1)
Power Limiting Letter (Sample 2)
SCGIP Generator Modification Request Form