Update app.py

app.py

@@ -1,22 +1,78 @@
 import streamlit as st
 
 # Title of the app
-st.title('Solar Panel Calculator')
+st.title("Solar Energy Calculator")
 
-# Input fields for user to enter data
-avg_monthly_usage = st.number_input('Average Monthly Usage (kWh)', min_value=0.0, step=1.0)
-peak_demand = st.number_input('Peak Demand (kW)', min_value=0.0, step=0.1)
-solar_panel_efficiency = st.number_input('Solar Panel Efficiency (%)', min_value=0.0, max_value=100.0, step=1.0)
+# Input Section: User inputs for energy usage, costs, etc.
+st.header("Input your energy usage and system parameters:")
+
+# Average Monthly Usage in kWh
+monthly_usage = st.number_input("Enter your average monthly energy usage (kWh):", min_value=0.0)
+
+# Peak Demand
+peak_demand = st.number_input("Enter your peak demand (kW):", min_value=0.0)
+
+# Solar Panel Efficiency
+solar_panel_efficiency = st.number_input("Enter the efficiency of your solar panels (0 to 100):", min_value=0.0, max_value=100.0)
+
+# Cost of electricity per kWh (user input or fixed)
+cost_per_kwh = st.number_input("Enter the cost per kWh (in your local currency):", min_value=0.0)
+
+# Solar panel cost (in local currency per panel or total cost)
+solar_panel_cost = st.number_input("Enter the cost of installing solar panels (in your local currency):", min_value=0.0)
+
+# Average Sunlight Hours per Day
+sunlight_hours = st.number_input("Enter the average sunlight hours per day:", min_value=0.0)
+
+# Solar Panel Output
+solar_panel_output = st.number_input("Enter the solar panel output (in watts, W):", min_value=0)
 
 # Calculations
-annual_energy_consumption = avg_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
-solar_panel_output = daily_energy_requirement / solar_panel_efficiency
 
-# Display results
-st.write('### Calculated Results:')
-st.write(f'- Annual Energy Consumption: {annual_energy_consumption} kWh')
-st.write(f'- Daily Energy Requirement: {daily_energy_requirement} kWh')
-st.write(f'- Solar Panel Output: {solar_panel_output} 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
+
+# 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
+
+# Output Section: Display results
+st.header("Results:")
+
+# 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 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 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")
+
+# Show tips for improving the app or using it effectively
+st.markdown("""
+- Make sure to input accurate data to get the most reliable results.
+- 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.
+""")
 
-# Cost calculations and payback period can be added here based on the specific formula you have in mind