The history of concentrated solar power (CSP) has seen a number of turning points. In the early 20th century it was proposed as a source of energy for sunny countries, with pilot plants looking very similar to a modern parabolic trough system.
But that was not to be, as the easy availability of fossil fuels took away the incentive to develop this form of renewable energy.
The oil crisis of the 1970s revived interest, but by the time the technology had been developed to the point of deployment, the high price of oil had also pushed further exploration. The new wave of large oilfields that went into production as a result, such as those in Alaska, the North Sea and Nigeria, again stymied CSP.
Fast forward to 2008, when the triple whammy of a new oil price shock, increasing fossil fuel production costs and fossil fuel-linked climate impact came together to position CSP for its second renaissance.
CSP installations were record-breaking in terms of size and output - the 527 megawatts of worldwide capacity installed in 2010 alone was more than double the amount present at the start of that year.
But its success was overshadowed by the extremely steep cost reductions and corresponding explosive growth of another renewable energy technology - solar photovoltaic (PV). By the end of this year, more than 100 gigawatts of PV capacity will have been installed worldwide.
The growth of low-cost PV has caused the cancellation of many planned CSP installations, or their conversion to PV. These factors combined to bring into question CSP's viability, leading at least one of the big players, Siemens, to sell off its CSP acquisitions. At the same time, Spain slashed the feed-in tariff system that had allowed it to become a leader in CSP deployment.
None of this, though, means CSP is not viable. There is no silver bullet in renewable energy - all the main technologies have advantages and disadvantages that vary in different regions of the world.
CSP's overwhelming advantage is its ability to offer low-cost thermal energy storage, which makes it the cheapest form of renewable energy after hydro that can be generated according to consumer demand.
Secondly, it can integrate with existing natural gas power plants, which can fill any gaps in solar power production.
Third, it can be used for direct thermal applications, such as industrial thermal processes, cooling using absorption chillers, or in some cases desalination. This skips the step of using electricity to generate heat.
Its main disadvantage is that while solar PV can use diffused light, CSP cannot - it is entirely dependent on direct sunlight. Even a moderate amount of cloud cover or haze dramatically cuts its power output.
As the Masdar Institute's UAE solar atlas project has shown, there are plenty of locations in the UAE and the wider Middle East where CSP is a great option.
We have found that combined with thermal energy storage, CSP can complement PV in meeting the typical post-sunset demand peak, and can do so economically when combined with measures to reduce electricity demand, such as better building insulation, more efficient and better-maintained air-conditioning equipment and low-power lighting and appliances.
Further studies at the Masdar Institute aim to make CSP even more useful by designing receivers that can use both scattered and direct radiation due to atmospheric conditions, as well as investigating its cooling applications and testing alternative storage mechanisms.
Opened last month, Shams 1 is the first operating CSP plant in the Middle East - and, for now, the biggest in the world, until larger plants in the United States come on line next year. It is already testing and demonstrating the technology's potential.
And the insights it is offering will support the development of larger and more cost-effective CSP plants. The 1.7GW of worldwide CSP capacity planned for completion this year may still pale relative to PV deployment, but it is a step towards pushing the technology learning curve and further establishing a valuable sustainable energy option.
- Dr Sgouris Sgouridis is associate professor of engineering systems and management at the Masdar Institute of Science and Technology.
Breaking News: The Remaking of Journalism and Why It Matters Now
Alan Rushbridger, Canongate
2025 Fifa Club World Cup groups
Group A: Palmeiras, Porto, Al Ahly, Inter Miami.
Group B: Paris Saint-Germain, Atletico Madrid, Botafogo, Seattle.
Group C: Bayern Munich, Auckland City, Boca Juniors, Benfica.
Group D: Flamengo, ES Tunis, Chelsea, Leon.
Group E: River Plate, Urawa, Monterrey, Inter Milan.
Group F: Fluminense, Borussia Dortmund, Ulsan, Mamelodi Sundowns.
Group G: Manchester City, Wydad, Al Ain, Juventus.
Group H: Real Madrid, Al Hilal, Pachuca, Salzburg.
Tuesday's fixtures
Kyrgyzstan v Qatar, 5.45pm
8 UAE companies helping families reduce their carbon footprint
Greenheart Organic Farms
This Dubai company was one of the country’s first organic farms, set up in 2012, and it now delivers a wide array of fruits and vegetables grown regionally or in the UAE, as well as other grocery items, to both Dubai and Abu Dhabi doorsteps.
www.greenheartuae.com
Modibodi
Founded in Australia, Modibodi is now in the UAE with waste-free, reusable underwear that eliminates the litter created by a woman’s monthly cycle, which adds up to approximately 136kgs of sanitary waste over a lifetime.
www.modibodi.ae
The Good Karma Co
From brushes made of plant fibres to eco-friendly storage solutions, this company has planet-friendly alternatives to almost everything we need, including tin foil and toothbrushes.
www.instagram.com/thegoodkarmaco
Re:told
One Dubai boutique, Re:told, is taking second-hand garments and selling them on at a fraction of the price, helping to cut back on the hundreds of thousands of tonnes of clothes thrown into landfills each year.
www.shopretold.com
Lush
Lush provides products such as shampoo and conditioner as package-free bars with reusable tins to store.
www.mena.lush.com
Bubble Bro
Offering filtered, still and sparkling water on tap, Bubble Bro is attempting to ensure we don’t produce plastic or glass waste. Founded in 2017 by Adel Abu-Aysha, the company is on track to exceeding its target of saving one million bottles by the end of the year.
www.bubble-bro.com
Coethical
This company offers refillable, eco-friendly home cleaning and hygiene products that are all biodegradable, free of chemicals and certifiably not tested on animals.
www.instagram.com/coethical
Eggs & Soldiers
This bricks-and-mortar shop and e-store, founded by a Dubai mum-of-four, is the place to go for all manner of family products – from reusable cloth diapers to organic skincare and sustainable toys.
www.eggsnsoldiers.com
A MINECRAFT MOVIE
Director: Jared Hess
Starring: Jack Black, Jennifer Coolidge, Jason Momoa
Rating: 3/5
THE BIO
Favourite book: ‘Purpose Driven Life’ by Rick Warren
Favourite travel destination: Switzerland
Hobbies: Travelling and following motivational speeches and speakers
Favourite place in UAE: Dubai Museum
Specs
Engine: Electric motor generating 54.2kWh (Cooper SE and Aceman SE), 64.6kW (Countryman All4 SE)
Power: 218hp (Cooper and Aceman), 313hp (Countryman)
Torque: 330Nm (Cooper and Aceman), 494Nm (Countryman)
On sale: Now
Price: From Dh158,000 (Cooper), Dh168,000 (Aceman), Dh190,000 (Countryman)
COMPANY%20PROFILE
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Florence and the Machine – High as Hope
Three stars
WTL%20SCHEDULE
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Company%20profile
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The rules on fostering in the UAE
A foster couple or family must:
- be Muslim, Emirati and be residing in the UAE
- not be younger than 25 years old
- not have been convicted of offences or crimes involving moral turpitude
- be free of infectious diseases or psychological and mental disorders
- have the ability to support its members and the foster child financially
- undertake to treat and raise the child in a proper manner and take care of his or her health and well-being
- A single, divorced or widowed Muslim Emirati female, residing in the UAE may apply to foster a child if she is at least 30 years old and able to support the child financially
A timeline of the Historical Dictionary of the Arabic Language
- 2018: Formal work begins
- November 2021: First 17 volumes launched
- November 2022: Additional 19 volumes released
- October 2023: Another 31 volumes released
- November 2024: All 127 volumes completed
2025 Fifa Club World Cup groups
Group A: Palmeiras, Porto, Al Ahly, Inter Miami.
Group B: Paris Saint-Germain, Atletico Madrid, Botafogo, Seattle.
Group C: Bayern Munich, Auckland City, Boca Juniors, Benfica.
Group D: Flamengo, ES Tunis, Chelsea, (Leon banned).
Group E: River Plate, Urawa, Monterrey, Inter Milan.
Group F: Fluminense, Borussia Dortmund, Ulsan, Mamelodi Sundowns.
Group G: Manchester City, Wydad, Al Ain, Juventus.
Group H: Real Madrid, Al Hilal, Pachuca, Salzburg.
COMPANY%20PROFILE
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UAE currency: the story behind the money in your pockets
The%20specs
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RESULTS
Bantamweight title:
Vinicius de Oliveira (BRA) bt Xavier Alaoui (MAR)
(KO round 2)
Catchweight 68kg:
Sean Soriano (USA) bt Noad Lahat (ISR)
(TKO round 1)
Middleweight:
Denis Tiuliulin (RUS) bt Juscelino Ferreira (BRA)
(TKO round 1)
Lightweight:
Anas Siraj Mounir (MAR) bt Joachim Tollefsen (DEN)
(Unanimous decision)
Catchweight 68kg:
Austin Arnett (USA) bt Daniel Vega (MEX)
(TKO round 3)
Lightweight:
Carrington Banks (USA) bt Marcio Andrade (BRA)
(Unanimous decision)
Catchweight 58kg:
Corinne Laframboise (CAN) bt Malin Hermansson (SWE)
(Submission round 2)
Bantamweight:
Jalal Al Daaja (CAN) bt Juares Dea (CMR)
(Split decision)
Middleweight:
Mohamad Osseili (LEB) bt Ivan Slynko (UKR)
(TKO round 1)
Featherweight:
Tarun Grigoryan (ARM) bt Islam Makhamadjanov (UZB)
(Unanimous decision)
Catchweight 54kg:
Mariagiovanna Vai (ITA) bt Daniella Shutov (ISR)
(Submission round 1)
Middleweight:
Joan Arastey (ESP) bt Omran Chaaban (LEB)
(Unanimous decision)
Welterweight:
Bruno Carvalho (POR) bt Souhil Tahiri (ALG)
(TKO)
Thank You for Banking with Us
Director: Laila Abbas
Starring: Yasmine Al Massri, Clara Khoury, Kamel El Basha, Ashraf Barhoum
Rating: 4/5
WHAT IS A BLACK HOLE?
1. Black holes are objects whose gravity is so strong not even light can escape their pull
2. They can be created when massive stars collapse under their own weight
3. Large black holes can also be formed when smaller ones collide and merge
4. The biggest black holes lurk at the centre of many galaxies, including our own
5. Astronomers believe that when the universe was very young, black holes affected how galaxies formed
The Bio
Favourite vegetable: “I really like the taste of the beetroot, the potatoes and the eggplant we are producing.”
Holiday destination: “I like Paris very much, it’s a city very close to my heart.”
Book: “Das Kapital, by Karl Marx. I am not a communist, but there are a lot of lessons for the capitalist system, if you let it get out of control, and humanity.”
Musician: “I like very much Fairuz, the Lebanese singer, and the other is Umm Kulthum. Fairuz is for listening to in the morning, Umm Kulthum for the night.”
Company%20Profile
%3Cp%3E%3Cstrong%3EName%3A%20%3C%2Fstrong%3EDirect%20Debit%20System%3Cbr%3E%3Cstrong%3EStarted%3A%3C%2Fstrong%3E%20Sept%202017%3Cbr%3E%3Cstrong%3EBased%3A%3C%2Fstrong%3E%20UAE%20with%20a%20subsidiary%20in%20the%20UK%3Cbr%3E%3Cstrong%3EIndustry%3A%3C%2Fstrong%3E%20FinTech%3Cbr%3E%3Cstrong%3EFunding%3A%3C%2Fstrong%3E%20Undisclosed%3Cbr%3E%3Cstrong%3EInvestors%3A%3C%2Fstrong%3E%20Elaine%20Jones%3Cbr%3E%3Cstrong%3ENumber%20of%20employees%3A%3C%2Fstrong%3E%208%3Cbr%3E%3C%2Fp%3E%0A
Meydan race card
6pm Dubai Trophy – Conditions(TB) $100,000 (Turf) 1,200m
6.35Dubai Trophy – Conditions(TB) $100,000 (Turf) 1,200m
1,800m
7.10pm Jumeirah Derby Trial – Conditions (TB) $60,000 (T)
1,800m ,400m
7.45pm Al Rashidiya – Group 2 (TB) $180,000 (T) 1,800m
8.20pm Al Fahidi Fort – Group 2 (TB) $180,000 (T) 1,400m
8.55pm Dubawi Stakes – Group 3 (TB) $150,000 (D) 1,200m
9.30pm Aliyah – Rated Conditions (TB) $80,000 (D) 2,000m
Our family matters legal consultant
Name: Hassan Mohsen Elhais
Position: legal consultant with Al Rowaad Advocates and Legal Consultants.