Researchers Say 53 Million Hectares of Abandoned Land Could be Used for Solar Deployment

Dec 28, 2020 06:34 PM ET
  • Solar projects on deserted cropland can create 179 exajoules of energy every year
Researchers Say 53 Million Hectares of Abandoned Land Could be Used for Solar Deployment
Image: mercomindia.com

Scientists at the Norwegian University of Science and also Technology (NTNU) have approximated the potential for solar photovoltaic or pv (PV) and also bioenergy release on just recently deserted cropland across the globe.

The scientists made use of a time collection of remotely-sensed land cover maps provided by the European Space Agency Climate Change Initiative Land Cover to recognize abandoned cropland. They identified roughly 83 million hectares of deserted cropland in between 1992 and 2015 by tracking grid cells transitioning from cropland in 1992 to any non-cropland in 2015. Out of 83 million hectares, 30% is located in Asia, 28% in the Americas, 22% in Africa, 20% in Europe, and also 5% in Oceania.

According to the researchers, the Global-Agro Ecological Zones 3.0 crop return version was used to identify abandoned cropland appropriate for bioenergy generation. 3 kinds of perennial grasses, such as switchgrass, miscanthus, and also reed canary grass, were selected for bioenergy release due to their low cost, high yields, and environmental benefits.

The researchers assessed regional solar PV release potential on abandoned cropland with the information from the Euro-Mediterranean Center on Climate Change (CMCC). They included the information to find the optimal circulation of solar energy as well as bioenergy on the abandoned land with Development Potential Index (DPI) for the renewable energy alternatives.

The report specified that 78 million hectares of the 83 million hectares are suitable for deploying solar PV and also bioenergy projects. Out of this, 53 million hectares (68%)are perfect for solar PV deployment, as well as 24 million hectares (32%) for bioenergy implementations.

The researchers stated solar deployment on the deserted cropland might create 179 exajoules (EJ) of power annually, as well as bioenergy deployment 35 exajoules each year. They recognized a number of locations, such as the west shore of South America, Africa, and Southeast Asia, that could offer the greatest bioenergy returns. The primary efficient locations for solar photovoltaic include the eastern coast of America, Central America, parts of Africa, mid-Europe, and also Southeast Asia.

"The factor to consider of various biophysical as well as socio-economic variables offers a more reasonable contrast and release possibility. Considering site-specific DPIs, a mix of bioenergy as well as PV is located to be the best service for renewable energy manufacturing on the deserted cropland," claimed the scientists.

Formerly, the National Renewable Energy Laboratory of the United States had actually approximated that the addition of floating solar projects on the top of water bodies, which already have hydropower terminals, could create around 7.6 TW of clean energy annually from solar photovoltaic or pv systems alone.

Earlier this year, the National Institute of Wind Energy (NIWE) specified that India's installable wind potential is approximated to be at 695 GW at 120 meters above ground degree. Out of the approximated number, virtually 347 GW of wind projects can be set up on cultivable lands, adhered to by wastelands where 340 GW capacity could be possible. The cultivable acreage in India have the greatest potential for installing wind energy projects. In its report, the institute added that there is additionally a possibility of installing 8 GW in forest lands.


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