Approved PTO Document from Utility

Document Reference

Approved PTO Document from Utility

Utility permission-to-operate authorization confirming the system is approved to interconnect and operate.

M3 ResidentialCommercial

Source

External-generated

Submitted By

Utility

Usage Note

Full PTO is what unlocks M3; interim or conditional PTO may not be sufficient.

Must Contain

• Issued by serving utility.
• System owner or address matching the PPA.
• PTO grant date.

Common Mistakes

• Submitting interim or conditional PTO.
• Waiting too long after M2.

Milestone Usage

M3 Permission to Operate

Used for residential and commercial projects.