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Qatar

Assessing shading effect of cleaning robots in solar farms

Qatari researchers have looked at the degree to which cleaning robots reduce PV plants’ yield with the shade they produce on the panels. They found that module orientation has an enormous effect on the impact of shadow.

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Triple cation perovskite PV cell with ETL based on tin(IV) oxide hits 17.1% efficiency

Qatari researchers have incorporated an electron transport layer (ETL) made of tin(IV) oxide into a perovskite solar cell through air-thermal-annealing, resulting in better efficiency and stability. The device demonstrated an open-circuit voltage of 1.045 V, a short-circuit current of 22.01 mA/cm2, and a fill factor of 74.3%.

Assessing vibrations in solar modules due to robot cleaning

Qatari researchers have looked at the degree to which cleaning robots could threaten the physical integrity of solar panels. They found that cleaning machines have a very minimal impact and that modules of similar sizes tend to exhibit roughly the same amount of vibration.

Chinese PV Industry Brief: Trina to supply 875 MW of trackers for Qatar solar plants

Trina Solar has signed an 875 MW tracker supply deal with Samsung C&T for Qatar’s new “IC Solar” project, while Chint said it aims to sell up to 8 GW of residential PV assets by the end of 2023.

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TotalEnergies, Marubeni switch on 800 MW of solar in Qatar

TotalEnergies, QatarEnergy, and Marubeni have switched on Qatar’s first large-scale solar plant in Al Kharsaah, west of Doha. The Siraj-1 plant features 2 million Longi Hi-MO 4 bifacial modules mounted on single-axis trackers.

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The Hydrogen Stream: GHD Group, Fraunhofer-Gesellschaft win contract for UAE national hydrogen strategy

Germany made efforts this week to expand hydrogen ties with the Gulf states, and Japan announced plans to team up with several nations to ramp up hydrogen production. ICIS, meanwhile, has started offering Europe’s first market-linked renewable hydrogen assessments.

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Solar for hydroponics

An international research team has examined combining solar power generation with energy-intensive hydroponic horticulture and has found that this may be a viable solution depending on project size and available incentive policies. Their approach considered various factors impacting PV system efficiency, including environmental factors, the type of solar array, and the electricity demand from the hydroponic farm.

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‘Low-cost renewable hydrogen may already be in reach’

If the three record-busting low solar price tariffs recorded in the Middle East in the past 18 months are to be believed, renewables-powered hydrogen in prime sites in the region could already compete with gas-plus-CCS production, according to IRENA. Has the Gulf discovered the new petrol?

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Are oil and gas companies on the run?

Private sector fossil fuel spending on exploration is drying up just as modest rises in clean energy investments are being observed. With stock market investors increasingly embracing renewables, the IEA has observed positive signals in its latest energy investment report, but warned we are still doing far too little to keep global heating at bay.

A solar atlas for Qatar

The atlas uses existing ground measured radiometric data that have been compared with available solar radiation data derived from satellite image.

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