Solar Calculators & Tools
Free calculators to plan a solar system in the Philippines — size, cost, savings, financing, and battery backup. No sign-up, no sales pitch.
Cost & savings
Size a system from your bill and city, and see installed cost, monthly savings, payback, and 25-year net savings.
Financing
Compare GSIS Ginhawa, Pag-IBIG, bank loans, and 0% installer installment on monthly payment and total interest.
Backup power
Get the recommended battery capacity in kWh for backup during brownouts or overnight, from four simple inputs.
Build & price
Build a real system from panels, inverter, battery, and add-ons sold in the Philippines. See price range, payback, and a compatibility check.
Quotes
Ready for real numbers? Enter your bill and get matched with vetted local installers — no spam, no phone number needed.