Yes, solar panels can be installed on many manufactured homes. The roof, framing, anchoring system, electrical service, and local permits must be checked first. If the roof cannot support the added weight and wind forces, a ground-mounted solar array or solar carport is usually the better option.
The U.S. Department of Energy says a conventional solar photovoltaic system with racking adds about 6 pounds per square foot of dead load. The actual weight depends on the equipment and design, so the installer must verify the home's specific capacity.
Reviewed:
| Consideration | What to know |
|---|---|
| Rooftop solar | Possible after a structural and roof-condition assessment |
| Main concern | Whether the roof and framing can support the panels and racking |
| Best alternative | Ground-mounted panels or a solar carport |
| Permits | Building and electrical permits are commonly required |
| Important document | The manufactured home's data plate and installation manual |
| Common deal-breaker | An aging, leaking, weak, or inaccessible roof |
What Must Be Checked Before Installing Solar Panels?
1. The Roof Load Rating
Solar panels, mounting rails, fasteners, and wiring add permanent weight to the roof. The system also creates wind uplift forces, especially in areas with high winds, hurricanes, or severe storms.
The manufactured home's data plate identifies its approved roof-load, wind-zone, and snow-load ratings. HUD states that a manufactured home should not be placed in a more restrictive wind, thermal, or roof-load zone than the zone for which it was designed.
The 6-pound-per-square-foot estimate is only a starting point. A licensed solar installer or structural engineer should verify the roof's capacity for the proposed equipment and attachment method.
2. The Roof's Condition and Age
Repair or replace a roof with active leaks, sagging, damaged sheathing, or deteriorated framing before installing solar panels. Installing panels on a roof near the end of its service life can lead to extra labor and panel-removal costs when the roof needs work.
The Department of Energy recommends reviewing the roof's age and condition during the solar assessment. Completing the solar installation during a planned roof replacement can reduce repeated labor.
3. The Mounting Method
Solar racking should attach to structural framing, such as properly located rafters or trusses. It should not rely only on thin roof sheathing or the exterior roof covering.
Every roof penetration must be flashed and sealed correctly. Poor installation can allow water into the roof assembly even when the solar equipment is operating properly. Residential code provisions address rooftop photovoltaic systems, fire classification, attachment, and roof weather protection.
4. The Home's Electrical System
The installer must check the electrical panel, service capacity, grounding, wiring routes, and inverter location. Older manufactured homes may need electrical upgrades before they can accept a new solar system.
The installer must also design the system to meet local authority requirements and the electric utility's interconnection rules.
5. Manufacturer, Community, and Landowner Rules
HUD warns that major structural alterations to a manufactured home may require local permits and can affect the home's warranty. Review the manufacturer's installation instructions and ask whether the proposed solar attachment is approved.
If the home is in a manufactured-home community, the lease or community rules may control exterior improvements. Obtain written approval before signing a solar contract if the homeowner leases the land beneath the home.
Is Rooftop Solar or Ground-Mounted Solar Better?
Neither option is right for every home. Rooftop solar saves yard space, while ground-mounted solar avoids roof penetrations and roof-load concerns.
| Option | Advantages | Limitations |
|---|---|---|
| Rooftop solar | Uses no yard space, usually has shorter wiring runs, and keeps the array close to the electrical system | Adds weight and wind forces to the home, requires roof penetrations, and may complicate future roof work |
| Ground-mounted solar | Avoids roof penetrations and roof-load concerns, and is easier to inspect or clean | Requires suitable land, support foundations, wiring trenches, and additional approvals |
| Solar carport | Provides shade or covered parking while supporting the panels independently of the home | Costs more to build and requires adequate space and structural permitting |
Ground-mounted solar is often the safer choice when the manufactured home has an older roof, limited roof framing, poor roof orientation, heavy shade, or uncertain structural documentation.
Can Solar Panels Be Installed on a Mobile Home Park Property?
Yes, but the solar company must evaluate the property as well as the home. Check:
- Whether the homeowner owns the land or leases the lot
- Manufactured-home community rules
- Written approval requirements
- Utility access and meter location
- Local zoning and setback requirements
- Whether a ground-mounted system is allowed
- Insurance and warranty requirements
A rooftop array may be easier to approve than a ground-mounted system because it does not use extra yard space. The community owner may still require approval for roof penetrations, electrical equipment, or other exterior changes.
What Is the Normal Installation Process?
The process starts with the home's data plate and a site assessment. The installer then checks the roof, structure, electrical system, approvals, and interconnection requirements.
- Locate the data plate. It may be near the electrical panel, inside a kitchen cabinet, or in a bedroom closet. Confirm the home's roof-load, wind-zone, and snow-load information.
- Arrange a site assessment. The installer should inspect the roof, framing, shade, roof orientation, electrical panel, and utility connection.
- Confirm the mounting design. Ask how the racking will attach to structural members and how the installer will waterproof each roof penetration.
- Compare rooftop and ground-mounted options. A ground system may be more practical if the roof needs reinforcement or replacement.
- Secure approvals and permits. Local governments generally require permits and inspections before a rooftop solar system can operate on the grid. The utility normally approves interconnection after the required inspection.
- Review warranty and insurance terms. Confirm that the solar installation will not void the manufactured-home warranty or create coverage exclusions.
When Should Rooftop Solar Be Avoided?
Avoid or postpone rooftop solar when:
- The roof has active leaks or visible sagging
- The roof will need replacement soon
- The installer cannot verify the roof framing or load capacity
- The home is in a high-wind or heavy-snow area without suitable engineering
- The roof receives substantial shade
- The community or landowner will not approve the work
- The electrical service requires upgrades that make rooftop installation uneconomical
Bottom Line
Start with the HUD data plate, a roof inspection, the manufacturer's installation information, and written community or landowner approval. If those checks do not support a rooftop system, price a ground-mounted array or solar carport instead.