Update app.py

app.py

@@ -1,13 +1,14 @@
 import streamlit as st
 import pandas as pd
+import numpy as np
 
 # App Title with Styling
 st.markdown(
-    "<h1 style='text-align: center; color: #4CAF50;'>SolarEase: Solar System Planner</h1>",
+    "<h1 style='text-align: center; color: #4CAF50;'>SolarEase: Hybrid Solar System Planner</h1>",
     unsafe_allow_html=True,
 )
 st.write(
-    "This app helps you calculate the total load and suggests a solar panel, inverter, and battery configuration for your home or office."
+    "This app helps you calculate the total load and provides recommendations for a hybrid solar system, including solar panels, inverter size, and battery configuration."
 )
 
 # Sidebar for Appliance Input
@@ -66,11 +67,14 @@ if st.session_state.appliances:
 
     # Remove Appliance Option
     remove_index = st.number_input(
-        "Enter the row number to remove an appliance (starting from 1):", min_value=0, max_value=len(appliances_df)-1, step=1
+        "Enter the row number to remove an appliance (starting from 0):",
+        min_value=0,
+        max_value=len(appliances_df) - 1,
+        step=1,
     )
     remove_button = st.button("Remove Appliance")
     if remove_button:
-        if 1 <= remove_index < len(st.session_state.appliances):
+        if 0 <= remove_index < len(st.session_state.appliances):
             del st.session_state.appliances[remove_index]
             st.success("Appliance removed successfully!")
         else:
@@ -88,37 +92,46 @@ if st.session_state.appliances:
     # Solar System Inputs
     st.subheader("Solar System Configuration")
     sunlight_hours = st.slider("Average Sunlight Hours", min_value=4, max_value=10, value=6)
-    panel_efficiency = st.slider("Solar Panel Efficiency (%)", min_value=15, max_value=25, value=20) / 100
     battery_backup_hours = st.slider("Battery Backup Time (Hours)", min_value=1, max_value=24, value=4)
 
-    # Solar Panel Calculation
-    total_panel_wattage = total_energy_kwh / (sunlight_hours * panel_efficiency)
-    number_of_panels = int(total_panel_wattage / 550)  # Assuming 550W panels
+    # Hybrid Solar System Calculations
+    # Solar Panels
+    energy_per_day = total_energy_kwh
+    panel_output_per_day = 550 * sunlight_hours / 1000  # 550W panels in kWh
+    number_of_panels = int(np.ceil(energy_per_day / panel_output_per_day))
 
-    # Battery Calculation
-    battery_capacity_ah = (total_energy_kwh * battery_backup_hours * 1000) / 12  # Assuming 12V batteries
-    number_of_batteries = int(battery_capacity_ah / 200)  # Assuming 200Ah batteries
+    # Batteries
+    battery_capacity_ah = (energy_per_day * battery_backup_hours * 1000) / 12  # Assuming 12V batteries
+    number_of_batteries = int(np.ceil(battery_capacity_ah / 200))  # Assuming 200Ah batteries
 
-    # Inverter Calculation
+    # Inverter
     inverter_size_kw = total_load_watts / 1000  # Convert to kW
 
     # Display Results
     st.markdown("<hr>", unsafe_allow_html=True)
     st.markdown("<h2 style='color: #FF5722;'>System Recommendations</h2>", unsafe_allow_html=True)
     st.write(f"**Total Load:** {total_load_watts:.2f} Watts")
-    st.write(f"**Required Solar Panel Capacity:** {total_panel_wattage:.2f} W")
     st.write(f"**Number of Solar Panels (550W each):** {number_of_panels}")
     st.write(f"**Battery Capacity Needed:** {battery_capacity_ah:.2f} Ah")
     st.write(f"**Number of Batteries (200Ah each):** {number_of_batteries}")
     st.write(f"**Inverter Size Required:** {inverter_size_kw:.2f} kW")
 
-    # Additional Suggestions
-    st.markdown("<h3 style='color: #3F51B5;'>Suggestions:</h3>", unsafe_allow_html=True)
-    st.write(
-        "- Choose high-efficiency solar panels for better performance.\n"
-        "- Ensure your inverter has at least 20% extra capacity to handle peak loads.\n"
-        "- Use lithium-ion batteries for longer life and better efficiency."
-    )
+    # Suggestions for Solar System Design
+    st.markdown("<h3 style='color: #3F51B5;'>Design Suggestions:</h3>", unsafe_allow_html=True)
+    suggestions = [
+        "Use monocrystalline panels for better efficiency.",
+        "Ensure the inverter size is 20-30% higher than the total load.",
+        "Install a charge controller to protect batteries from overcharging.",
+        "Consider lithium-ion batteries for higher energy density and lifespan.",
+        "Place solar panels in a south-facing direction for maximum sunlight exposure.",
+        "Use MPPT (Maximum Power Point Tracking) technology for better solar output.",
+        "Regularly clean the panels to maintain efficiency.",
+        "Calculate the load of heavy appliances like ACs separately for better sizing.",
+        "Invest in a hybrid inverter to handle both solar and grid power.",
+        "Consult a professional installer to ensure safety and compliance.",
+    ]
+    for suggestion in suggestions:
+        st.write(f"- {suggestion}")
 
 # Footer
 st.markdown("<hr>", unsafe_allow_html=True)
@@ -129,3 +142,4 @@ st.markdown(
 
 
 
+