Author: Source: Datetime: 2016-11-15 16:37:34
Power off is a common problem for many African countries, but Zambia has suffered more losses in the past year than most countries. It has experienced a series of frequent and lasting power cuts, weakening the economy. Pump can not supply clean water to the capital Lusaka, the industry must cut production, resulting in a large number of layoffs.
The source of the energy crisis in Zambia is the worst drought in 35 years in southern Africa. Nearly 100% of the country's electricity is obtained from water and electricity, mainly from three big dams, and the water level has dropped. Nearby Zimbabwe, South Africa and Botswana also had to cut electricity production. Water shortages are likely to get worse. The prediction shows that climate warming can be further reduced in the second half of twenty-first Century, the rainfall in southern africa.
Renewable energy can help make up the gap, because the construction of wind and solar power generator projects can be much faster than hydropower, nuclear or fossil fuel power plants. The green power plant can be gradually expanded with the increase of demand.
Egypt, Ethiopia, Kenya, Morocco and South Africa are leading the construction of renewable energy sources, but one of the biggest obstacles is the lack of data. University of California Berkeley energy researcher Wu Grace said that most of the existing African wind and solar energy resources map does not contain enough detail to allow the company to choose the project site. She co authored a report on the planning of 21 African national renewable energy region report, this is California's Laurence Berkeley National Laboratory (LBNL) and Abu Dhabi International Renewable Energy Agency (IRENA) joint project.
The study is by far the most comprehensive drawing work on most of these countries. It attaches importance to the country's solar energy, wind energy and power projects will be close to the transmission infrastructure and customers, and whether they will cause social or environmental damage and other factors. Wu said: "the IRENA-LBNL study is the only consistent approach to the application of a consistent approach in Africa." High resolution measurements of wind and solar resources are usually done by government researchers or companies, which are strictly controlled by the researchers or companies.
The Berkeley team used satellite and ground measurements combined purchased from Vaisala, Vaisala is a Finland based environmental monitoring company, and later by IRENA global renewable energy atlas discloses the data. The team also included in the geospatial data - roads, towns, the location of existing power lines and other factors - these factors may affect the decision to put energy projects where. "If there's a forest, you don't want to cut it, and put a solar power plant there," said Berkeley, an energy researcher and co-author Deshmukh Ranjit."
According to a IRENA report, the number of green energy in Africa can be harvested is absolutely huge, the synthesis of 6 regional research, found 300 million megawatts of solar backup generator potential and more than 250 million megawatts of wind. In contrast, if all the power plants are running, the entire continent can generate electricity - at the end of 2015, only 150000 megawatts. Solar and wind power accounted for only 3.6%.
Knight Oliver, a senior energy specialist at the world bank's energy sector management assistance program in Washington, DC, says the estimate for wind resources is a surprise. Although people have long been aware of the potential of solar energy in Africa when install solar generator, but about ten years ago, there are few local decision-makers to recognize the power of the wind. "People will tell you there's no wind in areas like East Africa."
The world bank is to conduct its own research, will be at a selected location in the target country at least once every 10 minutes to assess the wind speed and solar radiation. It will require the government to add their own geospatial data, and all information will be combined into a user-friendly format, which is provided free of charge, does not require technical knowledge, advanced Knight said, "it should make a mid-level civil servants in developing countries through the Internet, you can really get to know these possible."TAG: Fisker cobalt Eon CATL Ceramic Combinations KW 250 SCiB Batter Toshiba -Lithium Shared Show Pack
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