GoodWe ET 40–50kW: Solar and Battery Storage for Factories and Businesses

GoodWe ET 40–50kW: Solar and Battery Storage for Factories and Businesses

Businesses planning a rooftop solar installation need to consider both electricity generation and how that energy will be used. Combining solar panels with a suitable battery system can help align energy supply with operating hours and support a more flexible approach to electricity management.

The GoodWe ET 40–50kW series is a three-phase hybrid inverter range designed for commercial and industrial applications. Available in 40kW and 50kW versions, it connects solar generation with compatible high-voltage battery storage. vn.goodwe.com

Key Features of the GoodWe ET 40–50kW

Up to 98.1% Maximum Efficiency

The series offers maximum conversion efficiency of up to 98.1% and supports up to 150% PV DC input oversizing. These capabilities provide flexibility when designing an appropriately sized solar array.

Actual energy production depends on site conditions, shading, module orientation, temperature and system design. Maximum inverter efficiency should not be interpreted as the overall efficiency of the complete installation. vn.goodwe.com

IP66 Protection

An IP66 protection rating supports outdoor installation when the manufacturer’s installation requirements are followed. Suitable ventilation, mounting conditions and maintenance access remain essential. vn.goodwe.com

High-Voltage Battery Integration

Battery selection should account for approved compatibility, usable capacity, charge and discharge limits, and communication requirements.

Inverter power and battery capacity serve different purposes: kW describes power, while kWh describes stored energy. A 50kW inverter does not automatically include a 50kWh battery.

Backup Operation with the Appropriate Configuration

GoodWe describes UPS-level switching to backup mode when the inverter is paired with its STS equipment and the required system configuration. Backup performance depends on the connected loads, battery system and project design. vn.goodwe.com

Why Consider Solar Battery Storage for Your Business?

Make Better Use of Solar Generation

A suitably configured battery can store available surplus solar energy for use later. This may be useful when a business’s electricity demand extends beyond peak solar production hours.

Before investing, compare the building’s hourly consumption with expected solar output. This helps determine whether storage adds practical value to the project.

Evaluate Opportunities to Reduce Electricity Costs

Potential savings depend on electricity tariffs, solar self-consumption, battery losses, equipment costs and operating strategy.

A meaningful assessment should compare several options, such as solar without storage and solar with different battery capacities. The most suitable configuration should reflect the business’s actual energy needs.

Plan Backup Supply for Selected Loads

Businesses requiring backup power should identify essential circuits early in the design process. Equipment starting currents, simultaneous demand and required operating time all affect system sizing.

Separating essential loads can help define a realistic backup requirement and avoid unnecessary investment.

Choosing Between a 40kW and 50kW Inverter

The larger model is not automatically the better choice. Selection should follow a site assessment covering:

• Recent electricity bills and consumption records.
• Peak demand and daytime operating schedules.
• Available roof area and shading.
• Electrical connection conditions.
• Battery storage and backup requirements.
• Budget and future expansion plans.

These inputs help establish an appropriate inverter rating, PV array size and battery configuration.

Solar Project Services from EGO SOLAR

EGO VIET NAM’s website describes its services as solar equipment supply, solar system solutions, EPC contracting, and cleaning and maintenance services. EPC covers engineering, procurement and construction.

Businesses evaluating a solar project in Vietnam can contact EGO SOLAR to discuss their site conditions and project requirements. egosolar.vn

Frequently Asked Questions

Is the GoodWe ET 40–50kW suitable for every factory?

Suitability depends on the facility’s electrical infrastructure, consumption profile and system requirements. A site assessment should precede equipment selection.

How much battery capacity does my business need?

Battery capacity depends on the amount of energy you want to shift to another time period or reserve for backup. It should be calculated from expected loads and operating duration.

Can it power an entire factory during an outage?

This requires a project-specific assessment. Total demand, equipment starting currents, battery output and backup configuration determine which loads can be supported.

How much can a solar storage system save?

There is no single savings percentage applicable to every business. A financial assessment should use site-specific energy data, tariffs and a clearly defined equipment proposal.

Contact EGO SOLAR for Project Consultation

Planning a commercial solar or battery storage project in Vietnam? Share your electricity bills, roof information and operating requirements with EGO SOLAR to discuss a suitable approach.

Company: CÔNG TY TNHH EGO VIET NAM
Sales hotline: +84 937 610 858
Technical support: +84 963 147 005
Project email: projecteam@egosolar.vn
Customer service: cskh@egosolar.vn
Website: egosolar.vn egosolar.vn