Solar permitting in Denton, TX

1. #1

   Project Permit Transmittal Letter

   Contractor cover letter that introduces the submittal package to the plan reviewer. Editable before sending.

   Denton note: Denton's electric utility is the City of Denton's own DME, not Oncor — but the seeded primaryUtility may be CoServ for parts of Denton County outside city limits. Verify utility from the service-address meter BEFORE starting the interconnection paperwork.

   Auto-generated
2. #2

   Stamped Engineer Letter (PE-sealed)

   Licensed Professional Engineer's letter attesting to structural adequacy of the roof for the proposed PV array.

   Denton note: Denton requires a TX-licensed PE seal on structural letters. Upload the PE-sealed PDF here. TexPTO does not generate engineering opinions.

   Upload required
3. #3

   Stamped Engineer Structural Drawings

   PE-stamped structural drawings showing roof framing, attachment locations, and load path.

   Denton note: Provided by your licensed PE.

   Upload required
4. #4

   Stamped Engineer Electrical Drawings

   PE-stamped electrical drawings including single-line diagram, wiring layout, and disconnect locations.

   Denton note: Provided by your licensed PE.

   Upload required
5. #5

   Solar Panel Specifications (Cut Sheets)

   Manufacturer datasheets for panels, inverters, and (if applicable) batteries.

   Denton note: Upload each manufacturer datasheet. The submittal package concatenates them in order.

   Compiled from sources
6. #6

   NEC Warning Labels

   NEC-mandated placards (rapid shutdown, PV disconnect, dual power source, etc.) sized for label printing. Requires DC voltage/current values from your design.

   Denton note: The generator will fail safely if the DC max voltage and max current aren't known — you'll be prompted to provide them. Use the 'Edit specs' button on this row to override extracted values.

   Auto-generated
7. #7

   Portal Submission Cheat Sheet

   One-page reference with values to paste into Denton's permit portal. Print or keep on a second monitor while submitting.

   Denton note: Denton's building dept portal is separate from the utility portal. Submit the building permit and the DME/CoServ interconnection packet in parallel; they don't cross-reference.

   Auto-generated
8. #8

   HOA Approval Request Letter (draft)

   AI-drafted letter to the homeowner's HOA requesting approval for the solar installation. Review, edit, and sign before sending.

   Denton note: Varies by subdivision in Denton. Check deed restrictions.

   Template-drafted
9. #9

   Project Narrative (draft)

   AI-drafted one-page narrative summarizing the project for the permit reviewer. Attach to submittal or paste into portal text areas.

   Denton note: Always review the AI output before including in submittal.

   Template-drafted
10. #10

    Portal 'Description of Work' Blurb (draft)

    Short AI-drafted blurb sized to paste into the AHJ portal's Description of Work field (typically 150-250 words).

    Denton note: Tailor the blurb to Denton's portal field length if needed — some portals cap at 250 chars, others allow a paragraph.

    Template-drafted

Common rejection reasons

The most frequent reasons CoServ or Denton kicks back a residential solar permit. Avoid these on your first submittal to skip a 7–14 day correction cycle.

• Module/inverter mismatch between plans and spec sheets
• Missing required safety placard content
• Incomplete roof/array layout fire-access dimensions
• Missing CoServ interconnection application signature
• Single line diagram missing AC/DC disconnect locations

Workflow stages

1. 1

   Address Match

   Resolve jurisdiction + utility from service address.

2. 2

   Package Build

   Generate AHJ-ready permit package JSON and PDF.

3. 3

   Internal QA

   Validate diagrams, placards, and utility requirements.

4. 4

   AHJ Submission

   Submit package through AHJ portal workflow.

5. 5

   Utility Interconnection

   Submit utility packet and track approval milestones.