Update app.py

app.py

@@ -27,47 +27,51 @@ sunlight_hours = st.number_input("Enter the average sunlight hours per day:", mi
 # Solar Panel Output
 solar_panel_output = st.number_input("Enter the solar panel output (in watts, W):", min_value=0)
 
-# Calculations
+# Avoid ZeroDivisionError by checking input values
+if solar_panel_output > 0 and sunlight_hours > 0:
+    # Calculations
 
-# Determine Annual Energy Consumption (in kWh)
-annual_energy_consumption = monthly_usage * 12
+    # Determine Annual Energy Consumption (in kWh)
+    annual_energy_consumption = monthly_usage * 12
 
-# Calculate Daily Energy Requirement (in kWh)
-daily_energy_requirement = annual_energy_consumption / 365
+    # Calculate Daily Energy Requirement (in kWh)
+    daily_energy_requirement = annual_energy_consumption / 365
 
-# Solar Panel Output in kWh (daily)
-solar_panel_output_kwh = (solar_panel_output / 1000) * sunlight_hours  # Convert from watts to kWh
+    # Solar Panel Output in kWh (daily)
+    solar_panel_output_kwh = (solar_panel_output / 1000) * sunlight_hours  # Convert from watts to kWh
 
-# Calculate number of solar panels required to meet daily energy requirement
-num_panels_required = daily_energy_requirement / solar_panel_output_kwh
+    # Calculate number of solar panels required to meet daily energy requirement
+    num_panels_required = daily_energy_requirement / solar_panel_output_kwh
 
-# Cost Calculations
-total_solar_cost = num_panels_required * solar_panel_cost
+    # Cost Calculations
+    total_solar_cost = num_panels_required * solar_panel_cost
 
-# Payback Period (years)
-annual_savings = annual_energy_consumption * cost_per_kwh
-payback_period = total_solar_cost / annual_savings
+    # Payback Period (years)
+    annual_savings = annual_energy_consumption * cost_per_kwh
+    payback_period = total_solar_cost / annual_savings
 
-# Output Section: Display results
-st.header("Results:")
+    # Output Section: Display results
+    st.header("Results:")
 
-# Display annual energy consumption
-st.subheader(f"Annual Energy Consumption: {annual_energy_consumption:.2f} kWh")
+    # Display annual energy consumption
+    st.subheader(f"Annual Energy Consumption: {annual_energy_consumption:.2f} kWh")
 
-# Display daily energy requirement
-st.subheader(f"Daily Energy Requirement: {daily_energy_requirement:.2f} kWh")
+    # Display daily energy requirement
+    st.subheader(f"Daily Energy Requirement: {daily_energy_requirement:.2f} kWh")
 
-# Display solar panel output
-st.subheader(f"Solar Panel Output per day: {solar_panel_output_kwh:.2f} kWh")
+    # Display solar panel output
+    st.subheader(f"Solar Panel Output per day: {solar_panel_output_kwh:.2f} kWh")
 
-# Display number of panels required
-st.subheader(f"Number of Solar Panels Required: {num_panels_required:.2f} panels")
+    # Display number of panels required
+    st.subheader(f"Number of Solar Panels Required: {num_panels_required:.2f} panels")
 
-# Display total solar system cost
-st.subheader(f"Total Solar Panel Installation Cost: {total_solar_cost:.2f} local currency")
+    # Display total solar system cost
+    st.subheader(f"Total Solar Panel Installation Cost: {total_solar_cost:.2f} local currency")
 
-# Display payback period
-st.subheader(f"Payback Period: {payback_period:.2f} years")
+    # Display payback period
+    st.subheader(f"Payback Period: {payback_period:.2f} years")
+else:
+    st.warning("Please ensure that both solar panel output and sunlight hours are greater than 0.")
 
 # Show tips for improving the app or using it effectively
 st.markdown("""
@@ -75,4 +79,3 @@ st.markdown("""
 - You can adjust the efficiency, cost, and solar panel output to simulate different scenarios.
 - The payback period assumes the energy savings are constant each year.
 """)
-