ENGINEERING DESIGN TOOL

Solar & ESS System Sizing Calculator

Designed for B2B EPC contractors, solar distributors, and system integrators. Input your daily load profile, grid condition, and autonomy requirements to calculate recommended inverter capacity, battery storage (kWh), and PV module quantity.

1. System Requirements & Load Profile

Application Scenario / Load Type

Daily Energy Consumption (kWh/day) 30 kWh

5 kWh (Small Home) 50 kWh (Villa/Shop) 150 kWh (Commercial) 250 kWh (Industrial)

Peak Simultaneous Load (kW) 8.0 kW

2 kW 20 kW 50 kW 100 kW

Grid Environment & Topology

Required Battery Backup Duration

Local Daily Peak Sun Hours (PSH)

2. Recommended System BOM

Auto-calculated

Inverter Power Rating

10 kW

Single/3-Phase Hybrid PCS

LiFePO4 Storage

20.4 kWh

4x 51.2V 100Ah Rack Modules

Solar Array Size

8.8 kWp

16x 550W Tier-1 Panels

System Topology

LV 48V / 51.2V Architecture

Modular scalable rack system

Engineering Sizing Note: Includes 1.25x inverter surge margin for inductive startup loads and 90% Depth of Discharge (DoD) LiFePO4 battery preservation.

Pre-fills inverter model, battery kWh and PV sizing directly into the B2B quotation form.