Solar Calculator by Address

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Reviewed by Dr. Marcus Sterling, Renewable Energy Systems Consultant. Updated on October 2023.

Estimate your property’s solar energy potential and financial savings in seconds. Use our solar calculator by address to determine system size, payback periods, and environmental impact based on localized sunlight data.

Solar Savings Estimator

Estimated Yearly Savings $0.00

Please fill in all fields with valid numbers (Address + 3 values).

Solar Calculator by Address Formula:

Annual Energy (kWh) = System Size (kW) × Sunlight Hours × 365 × System Efficiency
Yearly Savings = Annual Energy × Utility Rate ($/kWh)
Source: National Renewable Energy Laboratory (NREL) Solar Data

Variables:

  • Property Address: Used to determine regional irradiance and utility rates (simulated in this module).
  • Monthly Bill: Your current average expenditure, which determines the target offset for the solar system.
  • Roof Area: The physical space available for panel installation (approx. 15-20 sq. ft. per panel).
  • Peak Sunlight Hours: The number of hours per day when solar intensity averages 1,000W/m².

Related Calculators:

What is Solar Calculator by Address?

A solar calculator by address is a specialized tool that uses geographic data to estimate how much electricity a solar photovoltaic (PV) system can generate at a specific location. By inputting your address, the tool analyzes local weather patterns, seasonal variations, and sunlight intensity to provide a personalized financial outlook.

Unlike generic estimators, an address-based tool considers specific regional factors such as utility electricity rates and state-specific incentives, making it a critical first step for homeowners considering the transition to renewable energy.

How to Calculate Solar Calculator by Address (Example):

  1. Step 1: Determine your average daily consumption. If your bill is $150 and the rate is $0.15/kWh, you use 1,000 kWh/month or ~33 kWh/day.
  2. Step 2: Find your local peak sun hours. For example, 5 hours.
  3. Step 3: Calculate required system size: 33 kWh / 5 hours / 0.8 (efficiency loss) = 8.25 kW.
  4. Step 4: Check roof compatibility. An 8.25 kW system needs about 450-500 sq. ft.
  5. Step 5: Estimate annual savings: 8.25 kW × 5 hours × 365 days × $0.15 = $2,259.

Frequently Asked Questions (FAQ):

How accurate is a solar calculator by address?

While very useful for initial estimates, the accuracy depends on shading from trees/buildings and the exact tilt of your roof. Professional site visits provide the final numbers.

Does the calculator include tax credits?

Most basic calculators estimate gross savings. Remember to subtract the Federal Solar Tax Credit (ITC) from your initial installation cost for a true payback period.

What if my address shows low sun hours?

Even in less sunny regions, solar can be viable if electricity rates are high or state incentives are strong.

How much roof space do I really need?

Generally, a standard residential system requires between 300 and 600 square feet of unobstructed, south-facing roof space.

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