InstallationUp to date · Jan 15, 2026
Commissioning
The process of verifying that a newly installed energy system (solar, battery, HVAC) operates correctly and meets design specifications before handoff to the owner.
Why It Matters
Proper commissioning catches wiring errors, firmware bugs, and suboptimal settings before they cost you money. Always request commissioning documentation from your installer.
Related Terms
PTO (Permission to Operate)
Formal approval from the utility allowing a grid-connected solar system to be energized and begin exporting electricity. PTO is the final step after installation and inspection.
Interconnection
The process of connecting your solar system to the utility grid, requiring utility approval and inspection.