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Solar analysis: Rockwall, TX

With 5.46 peak sun hours, Rockwall offers solid solar potential. Combined with current incentives, the ROI case is compelling. Your area receives an average of 5.46 peak sun hours per day.

Solar Authority Score™
70 Good

Nearby Areas

Fate 75132 Lavon 75166 Rowlett 75089 Rockwall 75032 Rowlett 75088 Wylie 75098
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Solar Coverage Map: Rockwall, TX

6 nearby locations
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Annual Electricity Offset

$1,119 /yr
High ROI Expected
Investment Grade: A+

Verified Solar Potential

Production
7,560 kWh per year (Est.)

Payback Period

9.5 Years

Time until system pays for itself

25-Year Lifetime Savings

$17,387

Estimated net profit after system costs

Fed. Tax Credit (30%)

$4,536
Money back in pocket

Available Incentives & Rebates

Residents of Rockwall may qualify for 5 active programs.

Federal Programs (Apply to Everyone)

Warning: 2026 Cliff
Inflation Reduction Act (Sec. 48E)
Benefit Value Pass-through Savings

If you lease your system (PPA), the solar company claims this credit and passes savings to you. Valid through 2032.

Warning: 2026 Cliff
Federal Residential Clean Energy Credit (ITC)
Benefit Value 30% (Expiring 2025)

30% Tax Credit for systems installed by Dec 31, 2025. CRITICAL: For 2026, this credit is set to expire for homeowner-owned systems unless extended. Leases (Third-Party) still qualify under Sec. 48E.

TX State Incentives

Check Utility
Utility Rebates (Oncor/AEP)

Local rebates available via specific utility providers.

Legal Right
Solar Rights Law

HOAs cannot prohibit solar installations.

100% Exemption
Property Tax Exemption

100% of value added by solar is exempt from property tax.

Efficiency

Code: 75087
EXCELLENT Score

5.46 Peak Sun Hours / day

Live Solar Forecast

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Production Efficiency --%

Fetching satellite data for Rockwall...

Peak Sun Hours Comparison

Excellent
Bar chart comparing Rockwall's 5.46 peak sun hours to the national average of 4.5 hours Rockwall National Avg State Avg 5.46 hrs 4.50 hrs 5.58 hrs 0h 2h 4h 6h

Rockwall receives 21% more peak sunlight than the U.S. average, indicating excellent solar production potential.

Solar Physics Simulator

Sun path trajectory for Rockwall

7.1° Max Elevation
Sun path diagram showing summer vs winter trajectory in Rockwall East South West Summer (June) 7.1° Altitude Winter (Dec) -17.3° Altitude

In Rockwall, the sun is 24.4° lower in the sky during winter.
💡 Tip: Panels positioned at a 29.7° tilt will capture maximum energy year-round.

Why Solar in Rockwall?

Our analysis of Rockwall, TX reveals strong solar fundamentals: 5.46 peak sun hours daily and estimated savings of $1,119/year. The ERCOT grid has shown vulnerability during extreme weather The solution? Abundant sunshine makes Texas ideal for solar

True Cost Calculator

Average System Cost $15,119
🇺🇸 Federal Tax Credit (30%)
- $4,536
🏛️ TX Rebate
- $1,000
Your Net Cost
$9,583
Financial Showdown

If you had $25k... Stock Market vs. Solar

Comparing a 20-year investment in the S&P 500 versus purchasing a solar system in Rockwall.

S&P 500 (Historical 7%) $60,981 Net Profit
Taxable
Solar Energy System $28,563 Tax-Free Gain
Winner 👑
Savings: $30,063 + Property Value: $16,000

Solar Outperforms by -53%

Unlike stock market gains which are taxed at ~15-20%, the money you save on electricity is 100% tax-free. Plus, solar increases your home's resale value immediately.

The Rockwall solar market has 7 primary installers. Quality and warranty terms matter more than price in smaller markets.