Solar Power World Records Being Broken In Africa

New Solar Superpower On The Horizon

The potential of solar power has been known for decades, but mankind has had difficulty harnessing and transporting that energy to where it needs to be.  A massive project being undertaken by the country of Morocco may be where the next step on that journey is taken.

Morocco is currently building what will become the largest solar power plant in the world.  Morocco is well positioned to become a “solar superpower” with the launch of this massive desert project.

Such a project may be impossible in most countries – most notably because of the lack of vast expanses of desert to harness – but renewable energy will only become more and more necessary as time goes on.

Driven by their lack of fossil fuels, and looking to the future and the hope to be able to export this renewable energy, Moroccan officials have high hopes for this project.

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The world’s largest concentrated solar power plant, powered by the Saharan sun, is set to help renewables provide almost half the country’s energy by 2020.

Now the trading city, nicknamed the “door of the desert,” is the centre for a complex of four linked solar mega-plants that, alongside hydro and wind, will help provide nearly half of Morocco’s electricity using renewable energy by 2020 with, it is hoped, some spare to export to Europe.

When the full complex is complete, it will be the largest concentrated solar power (CSP) plant in the world , and the first phase, called Noor 1, will go live next month. The mirror technology it uses is less widespread and more expensive than the photovoltaic panels that are now familiar on roofs the world over, but it will have the advantage of being able to continue producing power even after the sun goes down.

As engineers put the finishing touches to Noor 1, its 500,000 crescent-shaped solar mirrors glitter across the desert skyline. The 800 rows follow the sun as it tracks across the heavens, whirring quietly every few minutes as their shadows slip further east.

When they are finished, the four plants at Ouarzazate will occupy a space as big as Morocco’s capital city, Rabat, and generate 580MW of electricity, enough to power a million homes. Noor 1 itself has a generating capacity of 160MW.

Morocco’s environment minister, Hakima el-Haite, believes that solar energy could have the same impact on the region this century that oil production had in the last. But the $9bn (£6bn) project to make her country’s deserts boom was triggered by more immediate concerns, she said.

“We are not an oil producer. We import 94% of our energy as fossil fuels from abroad and that has big consequences for our state budget,” el-Haite told the Guardian. “We also used to subsidize fossil fuels which have a heavy cost, so when we heard about the potential of solar energy, we thought; why not?”

Solar energy will make up a third of Morocco’s renewable energy supply by 2020, with wind and hydro taking the same share each.

“We are very proud of this project,” el-Haite said. “I think it is the most important solar plant in the world.”

Each parabolic mirror is 12 metres high and focussed on a steel pipeline carrying a ‘heat transfer solution’ (HTF) that is warmed to 393C as it snakes along the trough before coiling into a heat engine. There, it is mixed with water to create steam that turns energy-generating turbines.

The HTF is made up of a synthetic thermal oil solution that is pumped towards a heat tank containing molten sands that can store heat energy for three hours, allowing the plant to power homes into the night. The mirrors are spaced in tier formations, to minimize damage from sand blown up by desert winds.

The 12 metre-high parabolic mirrors
The 12 metre-high parabolic mirrors.

Technicians say that the Noor 2 and 3 plants, due to open in 2017 will store energy for up to eight hours – opening the prospect of 24/7 solar energy in the Sahara, and the surrounding region.

But even as the first phase of the project nears completion, Morocco is eyeing grander international ambitions. “We are already involved in high tension transportation lines to cover the full south of Morocco and Mauritania as a first step,” says Ahmed Baroudi, manager of Société d’Investissements Energétiques, the national renewable energy investment firm. But he says the project’s ultimate impact will go far wider – even as far as the Middle East. “The [ultimate] objective given by his majesty the king is Mecca.”

Whether that ambition is achieved remains to be seen but exporting solar energy could have stabilizing effects within and between countries, according to the Moroccan solar energy agency (Masen).

“We believe that it’s possible to export energy to Europe but first we would have to build the interconnectors which don’t yet exist,” said Maha el-Kadiri, a Masen spokeswoman. “Specifically, we would have to build interconnections, and then start exporting.”

About $9bn has been invested in the Noor complex, much of it from international institutions such as the European Investment Bank and World Bank and backed by Moroccan government guarantees. Undisclosed energy subsidies from Morocco’s unelected ruler, King Mohammed VI, have prevented the cost from being transferred to energy consumers.

Source: The Guardian

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