Update app.py

app.py

@@ -33,8 +33,7 @@ df = load_data()
 def build_prompt(location, project_type, roof_size=None, desired_kwh=None, electricity_bill=None, ghi=None, solar_cost_per_kw=None):
     if project_type == "Rooftop Solar":
         prompt = f"""
-You are a solar project estimator tool. Based on the following details, calculate and return only the values without any extra description:
-
+You are a solar project estimator tool. Based on the following details, calculate and return only the values and formulas used, without any extra description:
 Project Type: Rooftop Solar
 Location: {location}
 Roof size: {roof_size} sq meters
@@ -42,17 +41,12 @@ Monthly electricity bill: ₹{electricity_bill}
 Average GHI: {ghi} kWh/m²/day
 Solar system cost per kW: ₹{solar_cost_per_kw}
 
-Formulas to be used:
-1. Estimated Solar System Size in kW: 
-   System Size (kW) = Electricity Bill (₹) / Solar Cost per kW (₹)
-2. Estimated Daily Solar Output in kWh: 
-   Daily Output (kWh) = System Size (kW) * Average GHI (kWh/m²/day)
-3. Total System Cost in ₹: 
-   Total Cost (₹) = System Size (kW) * Solar Cost per kW (₹)
-4. Monthly Savings in ₹: 
-   Monthly Savings (₹) = (System Output (kWh) / Monthly Consumption (kWh)) * Electricity Bill (₹)
-5. Payback Period in Years: 
-   Payback Period (Years) = Total System Cost (₹) / Annual Savings (₹), where Annual Savings (₹) = Monthly Savings (₹) * 12
+Formulas:
+1. Estimated solar system size in kW = (Desired monthly production in kWh) / (GHI * Roof Area)
+2. Estimated daily solar output in kWh = System size (kW) * GHI
+3. Total system cost in ₹ = System size (kW) * Solar cost per kW (₹)
+4. Monthly savings in ₹ = Monthly bill * (Solar output in kWh / Monthly consumption)
+5. Payback period in years = Total system cost / (Monthly savings * 12)
 
 Respond strictly in this format (do not add anything extra):
 Estimated solar system size in kW: <value>
@@ -63,8 +57,7 @@ Payback period in years: <value>
 """
     else:  # Ground Mount Solar
         prompt = f"""
-You are a solar project estimator tool. Based on the following details, calculate and return only the values without any extra description:
-
+You are a solar project estimator tool. Based on the following details, calculate and return only the values and formulas used, without any extra description:
 Project Type: Ground Mount Solar
 Location: {location}
 Desired monthly solar production: {desired_kwh} kWh
@@ -72,17 +65,12 @@ Monthly electricity bill: ₹{electricity_bill}
 Average GHI: {ghi} kWh/m²/day
 Solar system cost per kW: ₹{solar_cost_per_kw}
 
-Formulas to be used:
-1. Required Solar System Size in kW: 
-   Required System Size (kW) = Desired Monthly Production (kWh) / (30 * Average Solar Output per Day (kWh/m²/day))
-2. Estimated Daily Solar Output in kWh: 
-   Daily Output (kWh) = System Size (kW) * Average GHI (kWh/m²/day)
-3. Total System Cost in ₹: 
-   Total Cost (₹) = System Size (kW) * Solar Cost per kW (₹)
-4. Monthly Savings in ₹: 
-   Monthly Savings (₹) = (System Output (kWh) / Monthly Consumption (kWh)) * Electricity Bill (₹)
-5. Payback Period in Years: 
-   Payback Period (Years) = Total System Cost (₹) / Annual Savings (₹), where Annual Savings (₹) = Monthly Savings (₹) * 12
+Formulas:
+1. Required solar system size in kW = Desired monthly production (kWh) / GHI
+2. Estimated daily solar output in kWh = System size (kW) * GHI
+3. Total system cost in ₹ = System size (kW) * Solar cost per kW (₹)
+4. Monthly savings in ₹ = Monthly bill * (Solar output in kWh / Monthly consumption)
+5. Payback period in years = Total system cost / (Monthly savings * 12)
 
 Respond strictly in this format (do not add anything extra):
 Required solar system size in kW: <value>