Cost Calculator
Solar Roof Cost Calculator
A solar roof replaces the roofing material itself with generating tiles, so you are buying a roof and a power system in one purchase. That is why it should always be priced against the cost of a replacement roof plus panels, not against the roof alone.
National average, solar roof
$66,615
on the average 2,588 sq ft roof (26 squares), at $25.74 per square foot installed.
1,021,354
Roofs measured
46,432
Contractors pricing work
4.10x
Versus asphalt shingle
25 year roof
Typical service life
Estimates are based on over 1 million roof measurements and pricing contractors enter into our roof calculator database , and it is refreshed daily. See cost by home size
Solar Roof Roof Cost by Home Size
Costs below use the current installed price of $25.74 per square foot from our contractor network. Your own roof surface is larger than your home's footprint because of pitch and overhang, which is exactly what our measurement accounts for.
| Home size | Replacement cost | Value added to home |
|---|---|---|
| 500 sq ft | $12,870 | $8,752 |
| 1,000 sq ft | $25,740 | $17,503 |
| 1,500 sq ft | $38,610 | $26,255 |
| 2,000 sq ft | $51,480 | $35,006 |
| 2,500 sq ft | $64,350 | $43,758 |
| 3,000 sq ft | $77,220 | $52,510 |
| 3,500 sq ft | $90,090 | $61,261 |
| 4,000 sq ft | $102,960 | $70,013 |
| 4,500 sq ft | $115,830 | $78,764 |
| 5,000 sq ft | $128,700 | $87,516 |
Data refreshed monthly from the Instant Roofer measurement and pricing feed.
Solar Roof Compared With Other Roofing Materials
Same measured roof, every material priced against it.
| Material | Per sq ft | Average total | Difference vs solar roof |
|---|---|---|---|
| Solar Roof | $25.74 | $66,615 | |
| Asphalt Shingle | $6.28 | $16,261 | - $50,354 |
| Metal | $13.66 | $35,341 | - $31,274 |
| Clay Terra Cotta | $13.28 | $34,372 | - $32,243 |
| Concrete | $9.31 | $24,096 | - $42,519 |
| Cedar Shingle | $11.74 | $30,386 | - $36,229 |
| Flat Roof | $9.18 | $23,755 | - $42,860 |
| Designer Shingle | $8.42 | $21,791 | - $44,824 |
| Solar Panels | $8.11 | $20,989 | - $45,626 |
Other Roofing Material Types
Price the same roof in a different material.
What drives the price
Why solar roof quotes differ from house to house
Usable solar area
Only the well oriented, unshaded facets generate. Our measurement breaks the roof into facets so that area can be priced correctly.
System size
Target kilowatts drive how many active tiles you need versus inactive ones.
Electrical work
Panel upgrades, inverters and battery storage are frequently part of the total.
Incentives
Tax credits and utility programs apply to the generating portion and can change the net cost significantly.
Strengths
- One installation replaces both the roof and the power system
- No rack mounted panels sitting above the roof plane
- Generation offsets part of the cost every month
- Federal and local incentives can apply to the solar portion
Trade offs
- Highest installed cost per square foot of any option we price
- Limited number of certified installers in most markets
- Shading and roof orientation cap how much you can generate
- Service life
- 25 year roof and power warranties are typical
- Weight
- Comparable to a heavy shingle; most modern framing handles it.
- Best for
- Homeowners who need a new roof anyway and want to generate power.
Solar Roof Roof Cost by State
State figures apply local replacement pricing to the same solar roof rate, so you can see how much of the spread is regional labor and material cost.
A roofing budget and an energy design answer different questions
Solar roofing integrates electricity-generating products into the roof covering. Some areas may use generating tiles while others use non-generating components. A roof-area estimate helps describe the building, but it does not establish the electrical system size or the amount of electricity the finished installation will produce.
For a fair comparison, ask for the combined scope of the roofing and energy work. Compare a solar roof with a separate roof replacement plus a panel installation when both alternatives fit your project. A roof-only price cannot explain the whole difference, and the most expensive covering is not automatically the design that best meets your household's electricity needs.
Usable solar area is not the entire measured roof
Roof orientation, pitch and shading affect where generating products can be useful. A measured facet is not necessarily a suitable generation area. Trees, nearby buildings and roof obstructions need to be considered during design. Ask the installer to distinguish total roof coverage from the portions proposed for electricity generation.
Electricity use and utility billing also matter. Review your usage history, not just one unusually high or low bill, and ask what assumptions support the production estimate. A calculator's roofing price does not guarantee energy savings, export payments or a payback period. Those outcomes depend on the design, location and applicable utility arrangements.
Check electrical scope and current program eligibility
A complete proposal should identify inverters, electrical work, any service-panel changes and whether battery storage is included. Battery storage is a separate decision, not something to assume from the words solar roof. Ask about permitting, inspection and utility approval, as well as who coordinates each step and when the system may be operated.
If the proposal lists an incentive, verify current rules and eligibility before relying on a reduced net price. Programs and tax rules can change, and roofing components may be treated differently from generating equipment. Compare the price before incentives as well as any conditional net estimate, and seek qualified tax advice where appropriate rather than treating a general roofing calculator as an eligibility determination.
Solar Roof Roof Questions
How much does a solar roof cost?
Is a solar roof better than panels on a new roof?
How much power will my roof generate?
Do incentives apply?
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