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Author Topic: Concentrated Solar Power (CSP)  (Read 1524 times)

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AGelbert

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Re: Concentrated Solar Power (CSP)
« Reply #15 on: June 06, 2016, 08:10:16 pm »
Dubai to Build World’s Largest Concentrated Solar Power Plant

Lorraine Chow | June 6, 2016 11:11 am

Dubai will soon be home to the world’s largest concentrated solar power plant.

The Dubai Water and Electricity Authority (DEWA) has announced the second phase of a massive solar project located in the Mohammed bin Rashid Al Maktoum Solar Park. According to a press release, the park is the largest single-site project to generate electricity from solar energy in the world, based on an independent power producer model.

The 13-megawatt first phase of the project has been operational since October 2013 and the 200-megawatt second phase will be operational by April 2017. The facility will ultimately produce 1,000 megawatts by 2020 and 5,000 megawatts by 2030, which will provide power for 800,000 homes. The solar park will help reduce 6.5 million tonnes of carbon emissions annually, the release said.

The project easily trounces the capacity of the world’s current record-holder, the Noor-Ouarzazate plant in Morocco which will have a 580-megawatt capacity by 2018.

Noor-Ouarzazate plant in Morocco 

DEWA has already received five bids from international companies for the Mohammed bin Rashid Al Maktoum Solar Park’s 800-megawatt third phase, with the lowest bid at USD 2.99 cents per kilowatt, a record-low price for solar power.

The ambitious project is part of the Dubai Clean Energy Strategy 2050, which aims to provide 7 percent of the emirate’s total power output from clean energy sources by 2020, 25 percent by 2030 and 75 percent by 2050, Saeed Mohammed Al Tayer, DEWA CEO and managing director, said in a statement.

In this June 2 post from DEWA’s Twitter account, Al Tayer announced the project:

The project is called a “concentrated solar plant” because it consists of a large number of movable mirrors, or heliostats, that can follow the sun’s path and harness sunlight to melt salt. The molten salt stores energy and can be used to power a steam turbine, allowing for energy production even when the sun isn’t shining.

“An important advantage of [concentrated solar power] is that thermal heat, which is used to produce electricity, can be stored easily, which makes it possible to produce electricity after sunset,” Al Tayer said. “The plant will have several thousand heliostats located around a tower that receives the radiation reflected by the heliostats which follow the sun’s movement. The heat-transfer fluid is then used to power the steam turbine to generate electricity.

“The project will use thermal storage for 8-12 hours daily, taking into account technical and economic factors. This will contribute to improving the effectiveness and efficiency of production and meet the requirements of the electricity grid. This in turn, will provide sustainable world-class energy supply for everyone in terms of availability and reliability, and support the sustainable development of the emirate. It will contribute to making Dubai the city with the lowest carbon footprint in the world by 2050.”


In addition to generating power, the facility features a solar-powered water pumping and desalination station that has a production capacity of 50 cubic meters of potable water a day, the press release stated.

Al Tayer said that DEWA is working to diversify Dubai’s energy mix to include 61 percent from natural gas, 25 percent from solar energy, 7 percent from coal and 7 percent from nuclear power by 2030. The reliance on clean energy sources will be increased incrementally to touch 75 percent by 2050, he added.

“Our wise leadership is pursuing the transformation towards clean and renewable energy to achieve a vision that recognizes their significance in achieving a balance between development and sustainability. This will help protect the rights of future generations to live in a clean, healthy and safe environment,” Al Tayer said.       

https://ecowatch.com/2016/06/06/dubai-concentrated-solar-plant/

Agelbert NOTE: Heliostats have a tremendous future in the high sunlight, dry areas of the planet. The Government of Dubai understands this.

 
Quote
There are now 226,852 heliostats in operation (Table 5) with a total mirror surface of about 3.3 millions of square meters. The figures for the heliostats to be implemented in the plants (and/or facilities) under construction are very similar: about 238,000 heliostats with a total surface of about 2 million square meters.

The total number of heliostats by adding the plants under development and planned to the operational and under construction plants, amounts to 835,838 heliostat units with a total mirror surface of about 17 million square meters.
https://www.stage-ste.eu/deliverables/STAGE_STE_Deliverable_12_1.pdf

Heliostats would not have been built in the first place if they weren't more cost effective than polluting fossil fuel power plants and dirty energy drilling operations. Heliostats are a welcome contribution to our renewable energy mix.

The fact that they are building so many more of them is evidence that they do produce cheaper Electricity than polluting energy sources. Anyone claiming otherwise is in error.

Fossil-fueled facilities are 17-34 times more dangerous to birds on a per GWh basis than wind power. Heliostats, LESS dangerous than wind power to birds, have caused the deaths of hundreds of birds and wind turbines may have killed about 7000 birds, but fossil-fueled stations killed 14.5 million and nuclear 327,000.
This poor man cried, and the Lord heard him, and saved him out of all his troubles.. -- Psalm 34:6

 

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