Vietnam’s Solar Energy Storage Market Enters a Golden Growth Period: ONESUN Seeks Local Partners for Joint Factory Construction and Builds a Green Energy Hub in Southeast Asia
With the acceleration of global energy transformation, Southeast Asia has become one of the most attractive regions for renewable energy investment. Among ASEAN countries, Vietnam is emerging as a key market for solar energy, battery storage, and clean energy manufacturing due to its rapidly growing economy, expanding industrial sector, and strong government commitment to green energy development.
In 2026, ONESUN Technology (Shenzhen) Co., Ltd. plans to seek strategic local partners in Vietnam to establish a localized solar energy storage manufacturing base. Through a business model combining joint factory investment, technology transfer, OEM/ODM cooperation, and SKD/CKD localized production solutions, ONESUN aims to provide advanced solar storage solutions for Vietnam and the wider Southeast Asian market.
Vietnam’s government is actively promoting energy transition through policies such as the National Power Development Plan VIII (PDP8), which focuses on expanding renewable energy capacity, improving grid stability, increasing solar power utilization, and encouraging energy storage deployment to ensure long-term energy security and sustainable economic growth.
For renewable energy companies, Vietnam is not only a fast-growing solar market but also a strategic manufacturing hub connecting ASEAN markets and global supply chains.
1. Vietnam’s Green Energy Policies Drive Rapid Growth of Solar and Energy Storage Industry
Vietnam has experienced rapid industrial development in recent years. International manufacturers such as Samsung, LG, and Foxconn have expanded their operations in Vietnam, creating increasing demand for reliable, clean, and cost-effective electricity.
However, with the rapid expansion of solar power projects, Vietnam’s power system is facing new challenges, including:
Renewable energy integration
Grid balancing
Peak-load management
Backup power demand
Therefore, the combination of solar energy + battery energy storage systems (Solar + BESS) is becoming a critical solution for Vietnam’s future energy development.
1. National Power Development Plan VIII (PDP8)
Vietnam’s government aims to strengthen energy independence and achieve low-carbon development through renewable energy expansion.
Future development priorities include:
Large-scale solar power projects
Commercial and industrial rooftop solar systems
Wind energy projects
Battery Energy Storage Systems (BESS)
Smart grid infrastructure
The revised PDP8 further emphasizes renewable energy development and increases the importance of battery storage systems, creating significant opportunities for the BESS industry in Vietnam.
2. Promotion of Self-Consumption Solar Energy for Businesses
Vietnam is encouraging enterprises to adopt:
Rooftop solar systems
Commercial energy storage solutions
Peak electricity cost reduction strategies
Energy independence solutions
Future energy policies emphasize the development of self-consumption rooftop solar + storage systems, helping businesses reduce pressure on the national grid while improving energy security.
This creates strong market opportunities for:
Commercial BESS
Industrial ESS
All-in-One Solar Energy Storage Systems
2. Why Does ONESUN Choose Vietnam for Joint Factory Investment?
As a leading Chinese solar energy storage solution provider, ONESUN specializes in:
LiFePO4 lithium battery manufacturing
Solar energy storage systems
Commercial and industrial BESS
Telecom base station batteries
PAYGO solar systems
OEM/ODM battery customization
To better serve Southeast Asia, ONESUN plans to establish a strategic manufacturing partnership in Vietnam in 2026.
The cooperation model includes:
1. SKD/CKD Turnkey Battery Factory Solutions
ONESUN provides:
Lithium battery PACK production technology
BMS system solutions
Energy storage system design
Production line setup
Quality management systems
Technical training
Helping local partners quickly establish:
LiFePO4 battery assembly factories
BESS production lines
Solar energy storage manufacturing facilities
2. OEM/ODM Customized Energy Storage Solutions
ONESUN provides customized services based on different market requirements:
Battery capacity customization
Product appearance design
BMS software and hardware customization
EMS energy management system integration
International certification support
Helping partners build their own local renewable energy brands.
ONESUN Core Products Supporting Vietnam’s Green Energy Development
1. Telecom Base Station Battery Solutions
With the rapid expansion of 5G networks and communication infrastructure, Vietnam’s telecom industry requires reliable backup power solutions.
ONESUN LiFePO4 telecom batteries feature:
Long cycle life
High safety performance
Excellent high-temperature adaptability
Intelligent BMS monitoring
Applications include:
Telecom towers
5G base stations
UPS backup power
Data centers
2. All-in-One Solar Energy Storage System
For Vietnamese households and small businesses, ONESUN provides:
All-in-One Solar Energy Storage Systems
Integrated with:
Hybrid inverter
LiFePO4 battery
EMS energy management system
Solar controller
Key advantages:
Easy installation
Space-saving design
Lower installation costs
Improved energy independence
These systems are ideal for residential solar applications and small commercial projects.
3. Residential, Commercial and Industrial BESS Solutions
To support Vietnam’s growing manufacturing industry, ONESUN provides advanced BESS solutions.
Recommended Products:
50kWh ESS
Suitable for:
Small businesses
Commercial buildings
Small factories
Main benefits:
Peak electricity cost reduction
Backup power supply
Improved energy management
100kWh ESS
Suitable for:
Manufacturing facilities
Shopping centers
Agricultural projects
Provides:
Stable power supply
Higher energy efficiency
Reduced electricity expenses
215kWh BESS
Suitable for:
Industrial parks
Manufacturing companies
Microgrid projects
Benefits:
Enhanced energy management
Improved power reliability
Support for renewable energy integration
500kWh-2MWh Commercial Energy Storage Systems
Designed for large-scale applications:
Industrial parks
Data centers
Renewable energy plants
Grid support projects
Helping Vietnamese enterprises achieve:
Green manufacturing
Lower energy costs
Higher energy security
4. PAYGO Solar Solutions Accelerate Energy Access in Vietnam and Southeast Asia
Besides large-scale energy storage systems, ONESUN also develops:
PAYGO Solar Home Systems
Rent-to-Own Solar Solutions
Lease-to-Own Solar Systems
Through flexible payment models, ONESUN helps more families and remote communities access reliable electricity.
PAYGO solutions are especially suitable for:
Rural areas
Off-grid regions
Small businesses
Customers can access solar power through installment payment models, accelerating renewable energy adoption.
5. Why Choose ONESUN as a Renewable Energy Partner in Vietnam?
1. Strong Chinese Manufacturing Experience
ONESUN has integrated capabilities including:
Battery manufacturing
BMS R&D
Inverter supply chain
Energy storage system integration
Providing a complete one-stop solar storage solution from battery cells to finished systems.
2. The Best OEM/ODM Partner for Global B2B Customers
ONESUN serves:
Renewable energy companies
Solar installers
Telecom operators
EPC contractors
Distributors
Providing:
Brand customization
Product development
Mass production
Technical support
3. Local Manufacturing Reduces Cost and Improves Competitiveness
Through joint factory construction in Vietnam, ONESUN can help partners achieve:
Lower logistics costs
Faster delivery
Better ASEAN market coverage
Stronger global competitiveness
ONESUN Partners with Vietnam to Build the Future of Southeast Asia’s Green Energy Industry
Vietnam is entering a critical stage of renewable energy development.
With strong government support for green energy, electricity security, and energy storage infrastructure, the solar + storage market will become one of the most promising industries in the next decade.
ONESUN is actively seeking qualified Vietnamese partners to establish localized manufacturing facilities and bring advanced LiFePO4 battery technology, BESS energy storage systems, and intelligent energy solutions to Vietnam.
Through:
Solar Energy Storage Products + Local Manufacturing + Technology Cooperation + OEM/ODM Services
ONESUN aims to help Vietnamese enterprises accelerate energy transformation and build a sustainable green energy ecosystem across Southeast Asia.
ONESUN — Your Reliable Solar Storage Partner for Vietnam and Global Markets
Article Source: Lithium battery manufacturer - ONESUN China
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