Energy Calculator
Estimate Your Energy Solution
Estimate the recommended inverter capacity, battery storage and solar PV size based on your electricity usage. Your results provide a practical starting point before a professional engineering assessment.
Peak sun hours are automatically set based on your state.
How many hours of battery backup do you need during outages?
Select an appliance from the list. You can edit the wattage, quantity, and usage hours directly. Use "Add Appliance" for items not listed.
| # | Appliance | Qty | Watts | Day Usage (hrs) | Night Usage (hrs) |
|---|
Energy Summary
Auto-calculated based on your appliance entries
Daytime Usage
0 Wh
Nighttime Usage
0 Wh
Total Daily Usage
0 Wh
Peak Load
0 W
Peak Sun Hours
4.6 hrs
Your Recommended Energy Solution
Estimated Daily Energy
— Wh/day
Solar PV Capacity
— kWp
Battery Storage
— kWh
Recommended Inverter
— kW
System Voltage
— V
Peak Sun Hours
— hrs
Important Notice
These recommendations are preliminary estimates based on the information provided. Final system sizing and equipment selection will be confirmed following a professional energy assessment by EcoSun.
Ready for a Professional Assessment?
Our engineers can review your estimated results, assess your energy requirements and recommend the most suitable solution for your property.