Rooftop solar is increasingly becoming a sustainable and effective solution to meet community energy needs. In 2023, the rooftop solar power industry will not only continue to grow strongly but also face new challenges and opportunities.
This article will offer solutions to improve investment efficiency in this field, with special attention to 2023.
About the situation of the rooftop solar power investment market in 2023
The rooftop solar power investment market in Vietnam is experiencing strong development. According to statistics from the Ministry of Industry and Trade, by the end of June 2023, the total installed capacity of rooftop solar power has reached 10,700 MWp, an increase of 115% over the same period in 2022.

There are many reasons leading to the development of the rooftop solar power market in Vietnam, including:
Solar power prices are increasingly competitive
The cost of installing solar power systems has decreased significantly in recent years, thanks to technological developments and competition from suppliers. This has helped reduce the cost of investing in rooftop solar power, attracting many people and businesses to install solar power systems.
Preferential policies of the Government
The Vietnamese government has many preferential policies for solar power development, including high solar power purchase prices, import tax exemption for some solar power equipment… These policies have created favorable conditions. beneficial for the development of the rooftop solar power market in Vietnam.
Awareness of people and businesses about solar power has increased
People’s and businesses’ awareness of renewable energy, especially solar power , is increasingly increasing. Many people and businesses are aware of the benefits of using renewable energy, such as saving electricity costs, protecting the environment, etc. This has contributed to promoting the rooftop solar power market in Vietnam. Vietnam.

It is expected that the rooftop solar power investment market in Vietnam will continue to grow strongly in the coming years. According to forecasts of the Ministry of Industry and Trade, the total installed capacity of rooftop solar power in Vietnam will reach 15,000 MWp in 2025 and 25,000 MWp in 2030.
| You can refer to the article: Update on rooftop solar power policy in 2023
5 solutions to improve the efficiency of rooftop solar power investment in 2023
Rooftop solar power is an effective renewable energy solution and is becoming increasingly popular in Vietnam. However, to improve the efficiency of rooftop solar power investment, appropriate solutions are needed.
Choose a reputable solar power consulting and construction unit
This is the most important solution to ensure the effectiveness of rooftop solar power investment. A reputable consulting and construction unit will help you choose a solar power system that suits your needs, climate conditions, terrain and roof area.
And some important criteria for choosing a solar power consulting and construction unit:
- Experience
- Reputation
- Product quality
- Guarantee
Before deciding which unit to choose, check the solar power projects that unit has implemented, reviews from customers, and make sure that the unit meets your needs and desires. At the same time, please refer and compare prices to make the most reasonable investment decision.
Choose a suitable solar power system

To choose the appropriate solar power system, you need to determine the following factors:
- Electricity demand: You need to determine the monthly electricity demand of your family or business. This will help you choose a solar power system with appropriate capacity, ensuring it meets your electricity needs.
- Climatic conditions: Vietnam is a country with a tropical monsoon climate, with abundant solar radiation. However, you also need to survey the area where the solar power system will be installed to check weather factors, lighting conditions, etc. If the installation area is cloudy or foggy, you need to choose the system. Solar power has higher efficiency.
- Terrain and roof area: You need to determine the terrain and roof area to choose the appropriate size solar power system. If the roof area is limited, you need to choose a solar power system with a small capacity.
- Type of solar power system: There are two common types of solar power systems: grid-connected solar power systems and independent solar power systems . The grid-connected solar power system will help you use solar power and national grid power. An independent solar power system will help you use solar power in case of a national grid power outage.
- Price: You need to consider the cost of the solar power system to choose a system with a price that suits your budget.
Install the solar power system properly
To ensure safety and efficiency, the solar power system needs to be installed properly. Here are some things to note when installing a solar power system:
Prepare before installation

Before installing the solar power system, you need to prepare the necessary documents, such as construction permit, electrical construction permit, etc. You also need to check the roof to make sure the roof is sturdy enough for installation. Install solar power system.
Choose a suitable installation location
The installation location of the solar power system needs to meet the following requirements:
- South or Southeast direction
- Not obscured by trees or buildings
- There is enough sunlight
Install the solar power system properly
Installing a solar power system needs to be performed by a team of experienced and professional technicians. Steps to install a solar power system include:
- Install the battery panel support frame
- Install the battery panel
- Install the grid inverter
- Install a monitoring system
- Install safety system
Check and accept the system
After installing the solar power system, you need to check and accept the system to ensure the system operates stably and safely.
Operation and Maintenance of solar power systems
To ensure the solar power system operates stably and effectively for a long time, it needs to be operated and maintained properly. Below are some notes on solar power system operation and maintenance:
Operate solar power system
Check the system regularly
You should check your solar power system regularly to detect potential problems. Inspection items include:
- Check the battery panel: Check to see if the battery panel is dusty, moldy, or damaged. Check the grid inverter: Check if the grid inverter is working normally.
- Check the monitoring system: Check if the monitoring system is working properly.
Adjust the solar panel tilt angle
The tilt angle of the panels will affect the performance of the solar power system. You should adjust the solar panel tilt angle according to the manufacturer’s instructions to ensure optimal performance.
Regularly clean the battery panels
Dirt, moss and mold can reduce the performance of solar panels. You should clean the battery panels regularly with clean water and a soft cloth.
Maintain solar power system
Checking daily
You should have your solar power system periodically checked by a team of qualified technicians. Periodic checks will help detect and fix potential problems, ensuring the system operates stably and safely.
Periodic maintenance

Periodic maintenance items include:
- Clean the battery panels
- Check and maintain the grid inverter
- Check and maintain the monitoring system
- Check and maintain safety systems
Repair and replace components: If damage is detected, you need to repair or replace components promptly to ensure stable operation of the system.
With the above notes, you can easily operate and maintain the solar power system properly, ensuring the system operates stably and effectively for a long time.
Conclude
With increased understanding and smart investment, rooftop solar can make a significant contribution to meeting society’s sustainable energy needs. Solutions to improve rooftop solar power investment efficiency in 2023 while opening up new opportunities and shaping a positive future for this industry and beyond.


