Solar System Calculator
Get your personalized solar analysis - sizing, savings, and battery backup in seconds.
Enter your details to see your solar analysis
Recommended System Size
Conservative
Recommended
Aggressive
Inverter Size:
Roof Area:
Monthly Production Estimate
Lowest:
Highest:
Financial Analysis
Monthly Savings
₱
Yearly Savings
₱
Payback Period
years
25-Year Savings
₱
ROI:
%
Self-Consumption:
%
Battery Sizing (Real-World)
Note:
Input Summary
Backup Load Energy:
Runtime:
Battery Type:
System Voltage:
DoD Used:
System Efficiency:
Results
Selected Backup Load:
Required Battery Capacity:
Battery Ah:
Efficiency Breakdown
DOD
Voltage
System
Recommendation
Total: kWh | Usable: kWh | Ah @ V
•
Est. Battery Cost: ₱
Warning:
Error:
Important Notice
Warnings
Environmental Impact
kg
CO2 per year
trees
Equivalent trees planted
Key Assumptions
- • Solar data from PAGASA station
- • Roof orientation: ° | Tilt: °
- • Shading factor:
- • Electricity rate: ₱/kWh
- • Final design subject to site survey and utility interconnection requirements