Investor-owned utilities are required to obtain a permit from the CPUC for construction of certain specified infrastructure listed under Public Utilities Code sections 1001. The following are resources for permit applicants and public parties interested in participating in the CPUC's environmental review:

Utilities constructing pipelines that cross state lines will also have to obtain a permit from the Federal Energy Regulatory Commission (FERC).  The following are resources for FERC's permitting process: