Solar Lighting Calculator
Calculate solar lighting costs, savings, and payback period. Determine how many solar lights you need for your garden, pathway, driveway, or outdoor area.
Step 1: Lighting Requirements
Solar Lighting Guide
Solar lights typically provide 4-12 hours of illumination after a full day of sun. For pathways, space lights 2-4 meters apart. For security lighting, space lights 5-10 meters apart.
Step 2: Cost & Savings
Solar Lighting Benefits
Solar lights have no electricity costs, minimal maintenance, and can be installed without wiring. Payback periods typically range from 6 months to 3 years compared to traditional lighting.
Solar Lighting Analysis Results
Total System Cost
Solar Light Type Comparison
| Light Type | Price per Light | Lifespan (years) | Annual Savings |
|---|
Savings Over Time
Solar Lighting Formula
Payback Period = Total Cost ÷ Annual Electricity Savings
To calculate payback: Divide the total cost of solar lights by the annual electricity savings compared to traditional lighting. Add maintenance savings for a more accurate calculation.
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