by Sophie Jenkins
London, UK (SPX) Apr 29, 2026
Dependable electrical energy provide is important in desert environments, the place cooling programs should perform repeatedly throughout heatwaves to guard human well being. Researchers at King Abdullah College of Science and Expertise (KAUST) have demonstrated that explicitly accounting for excessive climate occasions throughout the design part of community-scale renewable power programs can forestall harmful electrical energy shortfalls.
Rising curiosity in transitioning from fossil-fueled electrical energy to regionally powered renewable grids has prompted communities such because the KAUST campus to discover totally renewable configurations. Nevertheless, commonplace design approaches carry hidden dangers. “Most current designs for community-scale renewable power programs in sizzling desert areas like Saudi Arabia optimize efficiency for common climate circumstances,” mentioned Farah Souayfane, a analysis scientist in Omar Knio’s lab who led the work. “This method might result in failures throughout uncommon however important climate occasions,” she added.
Excessive climate days in sizzling desert areas mix very excessive temperatures, low wind speeds, and decreased photo voltaic irradiance from cloud cowl. The result’s a simultaneous spike in electrical energy demand for cooling and a drop in provide from wind and photo voltaic technology – a mismatch that may trigger energy failures in programs not designed for such circumstances.
“We sought to explicitly account for excessive climate in renewable power programs designed for warm desert communities and quantify the associated fee implications by designing a resilient renewable power system for KAUST,” mentioned Ricardo Lima, a analysis scientist in Knio’s group.
The staff anchored their evaluation on a 25-year historic report of hourly climate knowledge for the KAUST website. “The system was first optimized for a single 12 months of knowledge, then simulated over the complete 25-year interval to determine failure occasions when provide didn’t meet demand,” Souayfane defined. Excessive circumstances recognized by way of that course of had been then progressively included again into the design, with further electrical energy storage and technology capability added iteratively till the system might reliably cowl all demand.
The ensuing structure combines concentrated solar energy, photovoltaic panels, and wind generators with each battery and thermal power storage. Demand-side flexibility additionally performs a key function: the staff used the KAUST desalination plant’s adjustable power consumption to cut back stress on the grid throughout peak stress occasions. “The system balances price and resilience by combining concentrated solar energy, photovoltaic panels and wind generators with battery and thermal storage,” Lima mentioned. “Resilience was additional improved through the use of the KAUST desalination plant’s versatile power demand to cut back stress on the system throughout excessive occasions.”
When evaluated towards the complete 25-year historic climate report, the optimized system met KAUST’s electrical energy demand underneath all historic excessive circumstances. It might additionally remove greater than 330,000 tonnes of CO2 emissions yearly relative to an equal fossil-fuel provide. The worth of that reliability is just not trivial, nevertheless. “Attaining this degree of reliability requires further funding, growing system prices by 19 to 30 p.c relying on configuration,” Lima famous.
Knio described the evaluation as offering KAUST with a sensible framework for designing a resilient, low-carbon energy system at campus scale. For Saudi Arabia extra broadly, the work gives a template for a way renewable power programs can help power diversification and emissions discount underneath harsh weather conditions.
The analysis staff is now extending the framework in two instructions: integrating further demand-side flexibility choices comparable to district cooling operation and storage scheduling, and incorporating local weather projections to account for future warming-driven shifts in each demand and excessive occasion frequency. “It will help long-term planning and enhance resilience metrics for renewable power programs,” Knio mentioned.
Associated Hyperlinks
King Abdullah University of Science and Technology (KAUST)
All About Solar Energy at SolarDaily.com
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