Congo solar case study - 61kWh energy storage battery and 33kw hybrid inverter solar power project

In regions where electricity supply is unstable or expensive, hybrid solar storage systems offer a sustainable, cost-effective solution. MOTOMA’s latest installation in Congo exemplifies how intelligent solar energy systems can deliver dependable power for households, commercial facilities, and even small-scale industrial applications.

Project Overview

This solar energy storage system deployed in Congo integrates:

• 6 MOTOMA M88PW lithium battery packs (10.24 kWh each)
• 3 Axpert Ultra 11kW solar inverters
• 30 units of 555W high-efficiency Mono PERC solar panels

This robust configuration ensures seamless and uninterrupted power supply, even during grid outages or peak demand periods.

System Specifications and Capacity

Energy Storage System: M88PW Lithium Battery

• Rated Energy Capacity: 10.24 kWh per unit
• Total Storage Capacity: 10.24 kWh × 6 = 61.44 kWh
• Battery Voltage: 51.2V
• Max Charging/Discharging Current: 150A
• Cycle Life: > 6000 cycles @ 80% DOD
• Communication: CAN, RS232, RS485
• Features: Intelligent BMS, SOC display, remote monitoring, compact and lightweight

Inverter: Axpert Ultra 11kW Hybrid Inverter

• Number of Inverters: 3
• Total AC Output Power: 11kW × 3 = 33kW
• Input Sources: Solar + Grid or Generator
• Max PV Input Current: 27A per inverter
• Smart Load Management: Dual AC output for critical and non-critical loads
• Built-in Wi-Fi & LCD Display: For real-time monitoring and OTA firmware updates
• Support Parallel Operation: Up to 6 units for scalable installations

Solar Panel Array: 555W Mono PERC Panels

• Panel Type: High-efficiency Mono PERC
• Energy Output per Panel: 555W
• Estimated Daily Solar Radiation (Congo): ~5.5 peak sun hours/day
• Daily Output per Panel: 555W × 5.5h = ~3.05 kWh/day
• Number of Panels Required (to match 33kW inverter input): 33,000W ÷ 555W ≈ 60 panels
• Installed Panels: 30 units generating ~16.65 kW total

Real-World Benefits

Uninterrupted Power Supply

Even during blackouts or unstable grid conditions, critical equipment remains powered without interruption.

Cost Efficiency

Reduces long-term operating costs by leveraging free solar energy and intelligent energy management features.

Eco-Friendly & Scalable

Lithium batteries offer long life, minimal maintenance, and support future expansion.

Applicable Use Scenarios

• Homes and apartments
• Schools and clinics
• Small offices or telecom stations
• Remote facilities without reliable grid access
• Businesses looking to avoid peak energy tariffs

This Congo-based solar storage installation showcases how MOTOMA’s cutting-edge energy solutions address energy challenges in real-world settings. Through a blend of smart lithium storage, advanced inverters, and efficient solar panels, this system provides a blueprint for resilient, clean, and intelligent power infrastructure.

Whether for residential, commercial, or industrial needs—MOTOMA helps power the future, one project at a time.