document.getElementById('calculateButton').addEventListener('click', function() {
const monthlyBill = document.getElementById('monthlyBill').value;
const systemType = document.getElementById('systemType').value;
if (monthlyBill === "") {
document.getElementById('result').innerHTML = "Please enter your monthly electricity bill.";
return;
}
let avgSunHours = 5.5; // Average solar hours per day
let tariff = 6; // Rs per kWh (adjust based on region)
// Modify tariff or system type based on user selection
if (systemType === "commercial") {
tariff = 7;
} else if (systemType === "industrial") {
tariff = 8;
} else if (systemType === "agriculture") {
tariff = 5;
}
const systemSize = (monthlyBill / (avgSunHours * 30 * tariff)).toFixed(2);
document.getElementById('result').innerHTML = `Estimated Solar System Size: ${systemSize} kWp`;
});