What happens if you skip the permit (and you needed one)
- Operating unpermitted solar voids your homeowner's insurance coverage for fire or electrical damage — Oncor will also refuse to net-meter the system, cutting off any utility credits and leaving you with a dead $15,000–$30,000 investment.
- A stop-work order from the city carries fines of $200–$500 per day of non-compliance, and the city can require removal and re-installation under permit at your cost ($3,000–$8,000 in labor).
- At home sale, unpermitted solar must be disclosed to buyers in Texas; most will demand removal or a $10,000–$20,000 credit to absorb the liability and re-permit cost.
- Lenders and refinance appraisers will not recognize unpermitted solar in your home's value; FHA and VA loans explicitly require permitted, utility-registered systems.
Melissa solar permits — the key details
Melissa requires all grid-tied solar photovoltaic (PV) systems to pull two separate permits: a building permit for the structural/mounting work and an electrical permit for the PV system design, wiring, and rapid-shutdown compliance. The building permit covers the structural evaluation of your roof, the mounting system attachment, and wind-load compliance per IBC 1510 (roof-mounted solar). The electrical permit covers the entire PV array circuit, the inverter, combiner boxes, disconnect switches, and the interconnection point — all per NEC Article 690 (Solar Photovoltaic Systems) and NEC 705 (Interconnected Power Production Sources). Neither permit can be finaled until Oncor Electric Delivery (the transmission and distribution cooperative serving Melissa) has issued a signed interconnection agreement and the utility has witnessed the final connection point. In practice, this means you must submit your Oncor interconnection application (and receive their approval letter) BEFORE you can obtain the city's electrical final inspection, even though the city issues the electrical permit independently. The roof structural evaluation is non-negotiable: any roof-mounted system with a design load greater than 4 pounds per square foot requires a structural engineer's letter stamped and signed, certifying that the existing roof can support the racking, panels, and live loads. Most residential systems (6–10 kW) will be under 4 psf (typically 2.5–3.5 psf), but a roofer's site visit and load calculation are still required to confirm, and if you have an older roof, asphalt composition, or known water damage, the engineer may require roof reinforcement or even roof replacement — a cost that can double your project ($5,000–$15,000). Rapid-shutdown compliance (NEC 690.12) is the second most common rejection reason: the city inspector will verify that the inverter has a manual disconnect rated for DC, that all DC strings are deenergized within 10 seconds of opening the disconnect, and that labeling is clear and visible from the roof. If your inverter or combiner box does not meet this standard, the permit will be denied.
Contact city hall, Melissa, TX
Phone: Search 'Melissa TX building permit phone' to confirm
Typical: Mon-Fri 8 AM - 5 PM (verify locally)