Distribution Interconnection Handbook


The Distribution Interconnection Handbook contains the requirements on how to interconnect generating facilities or distributed generation (DG) to Pacific Gas and Electric Company's (PG&E) electrical distribution lines. This page also includes supporting documents and addendums to the handbook, which describes additional technical requirements which may not be in the handbook.

Table of Contents

DIH Manual:

  • Handbook – Sections 1-5 (PDF, 600 KB) (All of the interconnection requirements in each section of this entire manual has undergone an extensive review and is currently updated with the latest information as of May 15, 2017)

Technical Documents:

Distribution System Engineering Numbered Documents:

Single Line Drawing Examples:

Approved Equipment:

Transmission Interconnection Handbook Documents:

(Various requirements in these documents generally apply to generation entities interconnected to the distribution system as well as the transmission system)

Substation Engineering Numbered Documents:

PG&E Electric Distribution Glossary:

Webpage Updates:

  • Change Log (PDF, 84 KB) (This document provides a history of updates to this webpage along with a brief description of the changes.)