EMTEK and the Potential of Solar Energy in Vietnam

EMTEK and the Potential of Solar Energy in Vietnam

Vietnam is assessed as having a very large potential for solar energy resources. The solar radiation map of Vietnam, developed by three leading research institutes from Spain—CIEMAT, CENER, and IDEA EMTEK—is based on data from 171 meteorological stations in Vietnam, measuring sunlight hours over 30 years, satellite image databases over 5 years, and data from 12 automatic meteorological stations over 2 years.

Overview of solar energy potential

According to the radiation map developed by the World Bank (WB), the theoretical solar energy potential in Vietnam is significant. Solar radiation intensity ranges from 897 to 2108 kWh/m2/year, equivalent to 2.46 to 5.77 kWh/m2/day (MOIT & AECID, 2015). The highest radiation intensity is concentrated in the Central Highlands and Southern provinces such as Dak Lak, Gia Lai, Nha Trang, Ninh Thuan, Binh Thuan, Tay Ninh, and Binh Phuoc.

EMTEK and the Potential of Solar Energy in Vietnam

Solar power potential can be divided into three types: theoretical potential, technical potential, and economic potential.

1. Theoretical potential

Based on data on solar radiation and average sunny days collected from measurement agencies and climate observation stations to preliminarily determine the theoretical solar energy potential of Vietnam.

2. Technical potential

Using topographic maps, geological maps, land use planning maps, economic zone planning, industrial clusters, combined with theoretical solar power potential maps, to establish preliminary technical solar power potential maps (areas where solar power projects can be deployed and operated under technical conditions).

Through the analysis of technical potential calculation results, the total available area is very large, accounting for nearly 14% of the total national area, with an available technical potential of up to 1,677,461 MW.

3. Economic potential

Assessing factors affecting cost competitiveness among regions; determining the area and capacity scale of economic solar power project areas.

Economic potential will be divided into two scenarios, low and high, with avoided cost factors used to calculate the corresponding potential for these scenarios.

Vietnam has a huge solar energy potential, relatively evenly distributed in the Central and Southern regions, partly in the Northwestern provinces of the Northern region.

Clearly identifying the solar energy potential nationwide will contribute to the specific implementation of the national renewable energy development strategy, economic and social development planning, environmental pollution reduction, ensuring goals and roles in regional economic development.

Many incentives from macro policies

The renewable energy development strategy for the period 2015-2030, considering up to 2050, approved by the Government in September 2015, sets specific targets. Electricity production from renewable energy sources is expected to increase from 58 billion kWh in 2015 to 101 billion kWh in 2020; 186 billion kWh in 2030 and reaching 452 billion kWh in 2050.

Relatively, the proportion of electricity production from renewable energy sources will increase from 35% in 2015 to 38% in 2020 and 43% in 2050.

To encourage the development of renewable energy, including solar power, the Government has implemented many policies to facilitate solar power development. Particularly, Decision No. 02/2019/QD-TTg dated January 8, 2019, of the Prime Minister specifies that rooftop projects will implement a two-way electricity purchase and sale mechanism based on separate metering, creating clear legal corridors for both buyers and sellers of rooftop solar power, while motivating individuals and businesses to invest actively in rooftop solar projects.

In addition, to encourage the development of renewable energy, serving the aforementioned development goals, the Ministry of Industry and Trade has formulated and submitted to the Government a series of mechanisms such as Feed-in-Tariff for solar power, wind power, electricity generated from solid waste, biomass electricity… The Government has also issued other preferential policies for investors such as priority in providing credit, exemption/reduction of corporate income tax, land rent, use of standard power purchase agreements…

According to Chinhphu.vn – Mr. Nguyen Anh Tuan / Director of Renewable Energy Center – Institute of Energy.

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