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One of the new CSP projects being built by Three Gorges Renewables is a novel dual-tower design at Guazhou, in Gansu Province: Construction images below Three Gorges Renewables (of Three Gorges Dam hydropower fame) is building a novel configuration for one of the three new CSP projects it is building in China, this one at …
Continue reading “Three Gorges’ new Chinese CSP project trials a double solar field”
The new GlassPoint sells solar steam as a service, rather than requiring customers to buy the project “Now a lot of our pipeline of companies that we’re now in discussion with is in Australia, where electricity prices are high, so electrifying is just far too expensive,” he said. Ten years ago, GlassPoint CEO Rod MacGregor …
Continue reading “Australian metals to decarbonize with GlassPoint’s solar steam”
Pioneering the Seas: Xavier Lara at AELIUS Energies to champion sustainable shipping with green ammonia before the world’s largest shipbuilding industry AELIUS Green ammonia Converting global shipping to run on green ammonia instead of heavy fuel oil is an idea whose time has come, according to the CEO of the international energy consultancy AELIUS Energies …
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Fractal steel texturing could solve the corrosive effect of higher temperature solar salts in tomorrow’s Concentrating Solar Power (CSP) How a novel fractal steel coating prevents corrosion in Gen3 CSP, described in Novel fractal-textured solar absorber surfaces for concentrated solar power published at Elsevier: Solar Energy Materials and Solar Cells We recently caught up with …
Continue reading “Fractal corrosion fix in Gen3 CSP by Ranga Pitchumani”
Solar even under grey skies 365 days a year: Compared to the cost of the Gen3 CSP plant itself, adding the thermochemical storage and the hydrogen production reactor barely increased plant costs, but added significantly more value by greatly expanding storage duration. Typically, simplicity equals low costs. But the creators of a multi-technology thermochemical energy …
Continue reading “Thermochemical energy storage to deliver Gen3 solar months later”
Compared to the cost of the Gen3 CSP plant itself, adding the thermochemical storage and the hydrogen production reactor barely increased plant costs, but added significantly more value by greatly expanding storage duration. Typically, simplicity equals low costs. But the creators of a multi-technology thermochemical energy storage system for Gen3 concentrating solar power (CSP) claim …
Continue reading “Thermochemical energy storage to deliver Gen3 solar months later”
Solar reactor used for the heat recovery test at ETH Zürich. IMAGE@A.Lidor Why heat-recovery for solar reactors matters In this solar technology, highly concentrated solar energy directly heats a solar reactor and drives a thermochemical process, using carbon dioxide and water as the raw materials to produce syngas, a mixture of hydrogen and carbon monoxide. …
Continue reading “Heat-recovery for a solar reactor is tested at ETH Zürich”
High-temperature molten salt degradation at over 620°C gets an oxygen fix that also solves tank corrosion as well The molten salt mixture deployed in today’s commercial CSP plants for thermal energy storage is liquid at 565°C and degrades at higher temperatures. Yet higher temperatures would increase thermal efficiency. So how can we develop a molten …
Continue reading “Oxygen fix for high-temperature molten-salt degradation (and corrosion) at 620°C”
From the paper Thermal energy storage (TES) with phase change materials (PCM) in solar power plants (CSP) Concept and plant performance in which Abengoa’s thermal storage expert Cristina Prieto proposed a cascaded thermocline Three years ago, Abengoa thermal energy storage engineer Cristina Prieto exchanged the relatively secretive world of commercial CSP for academia. Now, as …
Continue reading “Cascaded thermocline storage with metal wool gets test: HYBRIDplus”
The thermal storage tank leaked in the first commercial Tower CSP in the world. Here; the thermal storage tank at the 110 MW Crescent Dunes Tower CSP plant in Nevada. IMAGE@SolarReserve In Tower CSP, thermal storage had issues at first A thermal storage tank failure ended Concentrated Solar Power (CSP) development in the US. At …
Continue reading “Vast Solar’s fix for tank leaks that stymied the first Tower CSP”