Defined term
Permission to operate
Permission to operate is a utility's authorization for an interconnected customer system to begin operating under the utility's stated conditions after required project steps are complete.
Also known as PTO
grid · Concept code GS-CONCEPT-056 · Last verified August 20, 2026
Definition and boundaries
Definition
Permission to operate is a utility's authorization for an interconnected customer system to begin operating under the utility's stated conditions after required project steps are complete.
Applicable jurisdiction: US; utility terminology and process vary
Definition claim verification: Verified August 20, 2026
In plain language
For Permission to operate, the controlling utility tariff, interconnection document, meter arrangement, and jurisdiction matter more than a generic national description.
What it is not
It is not a construction permit, installer completion notice, or guarantee of a particular bill credit.
Decision context
Why it matters
The actual utility notice controls timing and conditions; completed installation, local inspection, meter work, and submitted documents do not automatically substitute for it.
Applicable jurisdiction: US; utility terminology and process vary
Decision-context claim verification: Verified August 20, 2026
Information boundary
This page provides general educational context, not a site design, production guarantee, utility determination, contract interpretation, legal opinion, tax conclusion, or individualized financial advice. Verify property, equipment, utility, jurisdiction, program, and agreement details before acting.
Concept relationships
Affects
- Residential photovoltaic systemPublished conceptPermission to operate can affect how Residential photovoltaic system is evaluated
- Annual solar productionPublished conceptPermission to operate can affect how Annual solar production is evaluated
Primary sources
- California Public Utilities Commission: Solar Consumer Protection Guide
Revision Guide Version 4 (published 2025; exact publication date unavailable) · Source event date not provided · Ontology accessed August 20, 2026 · Ontology verified August 20, 2026
What to do next
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