Rooftop solar power in Ho Chi Minh City: Proposing a specific mechanism for development

giangnguyen 25/04/2023

Rooftop solar power is the solution that Ho Chi Minh City aims to meet the needs of the entire population when the city is forecasted to become a megacity in the near future due to having the largest population size in the country and being an economic center, politics, culture, entertainment and education in Vietnam. Therefore, to meet the production and living needs of Ho Chi Minh City, large electricity output needs to be ensured.

Natural conditions in Ho Chi Minh City

With the advantage that the locality has a large amount of radiation, on average about 1,581 kWh/m2/year, the highest is 6.3 kWh/m2/day, Ho Chi Minh City has an average number of sunshine hours in the month ranging from 100 to 300 hours, continuously throughout the year, uninterrupted as in the North. Therefore, the potential for rooftop solar power development and application in Ho Chi Minh City is very large, which can reach about 5,081 MWp, divided into 4 target groups: administrative agencies accounting for 3.27%; production group accounted for 31.28%; The service trade group accounted for 3.1% and the household group accounted for 62.34%.

Picture: Development structure in HCMC

Proposing rooftop solar power mechanism in Ho Chi Minh City

The Department of Industry and Trade of Ho Chi Minh City has recently made a report on the advice of the Ho Chi Minh City People’s Committee to propose the Government to promulgate a specific mechanism to develop local power generation sources. In particular, focusing on developing rooftop solar power, also known as rooftop solar power, to supply a huge amount of load in the city. Use the roofs of headquarters of public administrative agencies and non-business units in the area to install rooftop solar power systems for self-use and sell excess electricity (if any) to the electricity industry..

Picture: Rooftop solar power – Mechanism proposed by Ho Chi Minh City Department of Industry and Trade

According to the Ho Chi Minh City Department of Industry and Trade, if approved by the Government, the city’s grid system will ensure the full release of rooftop solar systems installed in the area, without investing in building more transmission grids. By 2022, across Ho Chi Minh City, there have been more than 14,210 projects – rooftop solar power systems with a total installed capacity of more than 358 MWp, accounting for more than 3.7% of the total installed capacity of rooftop solar power of the whole country and accounting for 7.82% of the peak capacity in 2021 (4,580 MW) of the Ho Chi Minh City grid.

Rooftop solar power in hcmc

Picture: Project 108 Nguyen Van Huong Street

Department of Industry and Trade of TP. Ho Chi Minh expects the total volume of investment in the construction of solar roof systems throughout HCMC to reach about 250 MWp/year in the period up to 2025 and an average of 300 MWp/year in 2026-2030, with a total investment capital of about VND 12,992 billion. The total power output to the grid has so far exceeded 387 million kWh, of which in 2021 alone was 298.85 million kwh, excluding the electricity output used by customers (representing approximately 50% of the total output of about 300 millions kWh/year).

Benefits of rooftop solar power development

Developing rooftop solar power systems is not only environmentally meaningful but also highly social, because it contributes to the development of clean and green energy sources, reducing greenhouse effects, reducing CO2 emissions and reducing heat radiation for buildings. This also ensures energy security and sustainable development of cities, compatible with the Government’s policy of developing renewable and clean energy sources.

In addition, the use of solar energy also helps people and businesses reduce monthly electricity costs, Because electricity is produced and used directly at peak hours, reducing the purchase price of high-level electricity. At the same time, it can also increase income and effectively prevent heat for buildings, especially in suburban rural areas.

With these benefits, the development of rooftop solar is a right and sustainable direction, not only for the environment but also for the social and economic benefits of the city.

Source: Ho Chi Minh City proposes a specific mechanism to invest in rooftop solar power


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