ONE electric bill calculator; tiers table reference: https://web.archive.org/web/20240623104347/http://www.one.org.ma/FR/pages/interne.asp?esp=1&id1=3&id2=45&id3=25&t2=1&t3=1

bill.py

def calculate_electricity_bill(consumption_kwh):
    # Define price tiers in MAD/kWh
    price_tiers = [
        (100, 0.9010),
        (50, 1.0732),
        (50, 1.0732),
        (100, 1.1676),
        (200, 1.3817),
        (float('inf'), 1.5958)
    ]
    
    # Calculate the bill based on the consumption tiers
    remaining_consumption = consumption_kwh
    total_cost = 0.0
    
    for limit, price_per_kwh in price_tiers:
        if remaining_consumption > limit:
            total_cost += limit * price_per_kwh
            remaining_consumption -= limit
        else:
            total_cost += remaining_consumption * price_per_kwh
            break

    return total_cost

def calculate_total_cost(power_consumption_w, daily_usage_hours, days_in_period):
    # Daily consumption in kWh
    daily_consumption_kwh = (power_consumption_w / 1000) * daily_usage_hours
    
    # Monthly consumption in kWh for the entire period
    total_consumption_kwh = daily_consumption_kwh * days_in_period
    
    # Fixed charges per month
    fixed_meter_charge = 10.61
    fixed_maintenance_charge = 9.43
    fixed_monthly_charge = fixed_meter_charge + fixed_maintenance_charge
    
    # Calculate total cost
    total_cost_mad = calculate_electricity_bill(total_consumption_kwh) + fixed_monthly_charge
    
    return total_cost_mad

def print_price_tiers():
    # Define price tiers in a readable format
    tiers = [
        ("0 - 100 kWh/month", "0.9010 MAD/kWh"),
        ("101 - 150 kWh/month", "1.0732 MAD/kWh"),
        ("151 - 200 kWh/month", "1.0732 MAD/kWh"),
        ("201 - 300 kWh/month", "1.1676 MAD/kWh"),
        ("301 - 500 kWh/month", "1.3817 MAD/kWh"),
        ("> 500 kWh/month", "1.5958 MAD/kWh")
    ]
    
    print("\nPrice Tiers (MAD/kWh):")
    for tier, price in tiers:
        print(f"{tier}: {price}")
    print()

def main():
    # User inputs
    power_consumption_w = float(input("Enter the power consumption of the device in watts: "))
    daily_usage_hours = float(input("Enter the number of hours the device runs per day: "))
    
    # Total number of days in a month
    days_in_period = 31
    
    # Calculate total electricity cost for the period
    total_cost_mad = calculate_total_cost(power_consumption_w, daily_usage_hours, days_in_period)
    
    # Calculate daily and monthly consumption
    daily_consumption_kwh = (power_consumption_w / 1000) * daily_usage_hours
    monthly_consumption_kwh = daily_consumption_kwh * days_in_period
    
    # Print total cost for the period
    print(f"\nTotal electricity cost for {days_in_period} days: {total_cost_mad:.2f} MAD\n")
    
    # Print daily and monthly consumption
    print(f"Daily power consumption: {daily_consumption_kwh:.2f} kWh")
    print(f"Monthly power consumption: {monthly_consumption_kwh:.2f} kWh")
    
    # Print price tiers
    print_price_tiers()

if __name__ == "__main__":
    main()