Create app.py

app.py

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+import streamlit as st
+
+# Function for calculations
+def calculate_solar_requirements(total_load, sun_hours, panel_wattage, efficiency_loss, battery_backup):
+    # Energy needs per day (in kWh)
+    daily_energy = total_load * efficiency_loss / 1000
+    
+    # Required solar generation (kW)
+    solar_capacity_needed = daily_energy / sun_hours
+    
+    # Number of panels
+    num_panels = solar_capacity_needed * 1000 / panel_wattage
+    
+    # Battery capacity (kWh)
+    battery_capacity = 0
+    if battery_backup > 0:
+        battery_capacity = daily_energy * battery_backup
+    
+    return daily_energy, solar_capacity_needed, num_panels, battery_capacity
+
+# Streamlit App
+st.title("Solar Panel Calculator")
+st.sidebar.header("User Input")
+
+# User Inputs
+total_load = st.sidebar.number_input("Total Load (W)", min_value=100, max_value=100000, value=5000)
+sun_hours = st.sidebar.number_input("Sun Hours (Hours/day)", min_value=1.0, max_value=12.0, value=5.0)
+panel_wattage = st.sidebar.number_input("Panel Wattage (W)", min_value=100, max_value=1000, value=300)
+efficiency_loss = st.sidebar.slider("Efficiency Loss (%)", min_value=0, max_value=30, value=15)
+battery_backup = st.sidebar.number_input("Battery Backup Hours (optional)", min_value=0, max_value=24, value=0)
+
+# Calculate
+if st.sidebar.button("Calculate"):
+    daily_energy, solar_capacity_needed, num_panels, battery_capacity = calculate_solar_requirements(
+        total_load, sun_hours, panel_wattage, efficiency_loss, battery_backup
+    )
+    
+    # Display Results
+    st.subheader("Results")
+    st.write(f"Daily Energy Consumption: {daily_energy:.2f} kWh")
+    st.write(f"Solar Capacity Needed: {solar_capacity_needed:.2f} kW")
+    st.write(f"Number of Panels Required: {num_panels:.0f}")
+    if battery_backup > 0:
+        st.write(f"Battery Capacity Required: {battery_capacity:.2f} kWh")