A professionally installed residential ground-mounted solar system in the United States costs about $43,571 before incentives on average. EnergySage's 2026 data puts the typical system at 14.7 kilowatts and $2.96 per watt.
A smaller system may cost about $24,000 to $30,000, while a larger home system can reach or exceed $60,000. Ground-mounted solar often costs more than rooftop solar because the project needs its own foundations, racking, trenching and electrical work.
Ground-Mounted Solar Cost at a Glance
| Cost factor | Typical figure |
|---|---|
| Average residential system | $43,571 before incentives |
| Average system size | 14.7 kW |
| Average installed price | $2.96 per watt |
| Average rooftop solar comparison | $31,042 before incentives |
| Ground-mount premium | About 41% more than rooftop solar |
| Battery storage | Usually an additional cost |
| Land purchase | Not included |
The rooftop comparison comes from EnergySage's 2026 marketplace data. The average rooftop and ground-mounted systems are not the same size, so these figures work better for budgeting than as a direct quote comparison.
Ground-Mounted Solar Cost by System Size
Using the 2026 average of $2.96 per watt, the following figures provide a starting point for the solar installation itself:
| Solar system size | Estimated installed cost before incentives |
|---|---|
| 8 kW | $23,680 |
| 10 kW | $29,600 |
| 12 kW | $35,520 |
| 14.7 kW | $43,512 |
| 20 kW | $59,200 |
The final price depends on the property, local labor rates, permitting requirements, soil conditions and the distance between the array and the home.
Why Ground-Mounted Solar Costs More Than Rooftop Solar
A rooftop system uses an existing structure. A ground-mounted system needs its own construction and electrical infrastructure, such as:
- Metal ground-mount racking
- Driven posts, concrete footings or another foundation type
- Land clearing and grading
- Trenching for underground electrical conduit
- Longer wire runs to the house or utility connection
- Engineering and structural assessment
- Permits, inspections and utility interconnection work
- Fencing or other protective measures in some locations
The U.S. Department of Energy divides solar installation costs into modules, inverters, structural balance-of-system equipment, electrical balance-of-system equipment, fieldwork, office work and other project costs. Ground-mounted projects add most of their cost through the mounting structure, fieldwork and site-specific electrical work.
Soil and terrain can push the price higher. Large rocks, steep slopes, wetlands or unstable ground may require specialized foundations, excavation or engineering. The installer may also need access for heavy equipment during construction.
Fixed Ground Mounts and Tracking Systems
Fixed Ground-Mounted Solar
A fixed ground mount holds the panels at one angle and is generally the lower-cost option. It has fewer moving parts and usually needs less maintenance.
Fixed systems are often a good fit when the property has enough open land and the array will not be shaded.
Pole-Mounted Solar With Tracking
Pole-mounted systems raise the panels above the ground and may use single-axis or dual-axis tracking. Tracking can increase electricity production, but the equipment costs more and includes motors, controls and other moving parts that may need maintenance.
EnergySage reports that tracking systems can increase solar production by 25% or more in suitable conditions. The extra output does not always justify the added purchase and maintenance costs.
Are Ground-Mounted Panels Cheaper Than Rooftop Solar?
Usually not. Rooftop solar is generally cheaper when the roof is suitable.
EnergySage reports an average ground-mounted price of $2.96 per watt, compared with about $2.60 per watt for its broader home solar data. Ground-mounted systems cost more because rooftop installations can use the existing roof instead of requiring separate supports and foundations.
Ground mounting can still make financial sense when:
- The roof faces north or has substantial shade
- The roof is too small for the required system
- The roof needs replacement before solar can be installed
- The home has high electricity demand from electric vehicles or heat pumps
- The homeowner wants to avoid roof penetrations
- The ground array can use a better angle or orientation
If a roof is south-facing, structurally sound and mostly unshaded, rooftop solar usually has the lower upfront cost.
Does the Federal Solar Tax Credit Reduce the Cost in 2026?
No. The federal Residential Clean Energy Credit is not available for residential solar expenditures made after December 31, 2025.
The Internal Revenue Service states that the residential clean energy credit under Section 25D ended for expenditures made after December 31, 2025. Homeowners should not subtract the former 30% federal credit from a 2026 ground-mounted solar quote. State, utility and local incentives may still be available, but the rules depend on the location and program.
Commercial, agricultural or business-owned solar projects may follow different tax rules. A qualified tax professional should review those projects before the owner counts any tax benefits.
What Should a Ground-Mounted Solar Quote Include?
A comparable quote should list the equipment, site work, electrical work, permits and contract terms. Check that it includes:
- Solar panels and total system capacity
- Inverter type and capacity
- Ground-mount structure and foundation method
- Engineering and soil or geotechnical work
- Land clearing, grading and access preparation
- Trenching, conduit and wire distance
- Main electrical panel or service upgrades
- Permits, inspections and utility interconnection
- Monitoring equipment
- Warranty coverage and estimated maintenance
- Battery storage, if included
- Sales tax and financing charges
Ask whether the price covers difficult excavation, rock removal, tree clearing, fencing and land restoration. These items can create large differences between an initial estimate and the final contract price.
Is a Ground-Mounted Solar System Worth the Extra Cost?
It can be, particularly when the roof is shaded, poorly oriented or too small for the required system.
A ground-mounted array may justify its higher installation cost when it has good sun exposure and supplies a large share of the household's electricity. For a suitable roof, rooftop solar usually wins on upfront price. For a property with poor roof conditions and enough open land, ground-mounted solar may produce more electricity and provide easier access for maintenance.
For 2026 budgeting, start with approximately $2.96 per watt. A typical residential project may cost around $30,000 to $60,000 before batteries, unusual site work and local incentives. Obtain at least three itemized quotes before choosing an installer.