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Thermal Energy Storage Is No Longer Just Hot Air

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Cheesecake is part of a cohort of companies trying to meet a growing need for alternative forms of energy storage. As countries transition away from fossil fuels to green sources of energy like wind and solar, there will be natural lulls in energy production due to weather conditions.

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BASF announces winners of the open innovation contest on energy storage

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The winning concepts were: A molten air battery that uses a molten salt electrolyte at elevated temperature from Professor Stuart Licht at George Washington University. A novel rechargeable zinc battery from the research group of Professors Paul Wright and James Evans from the University of California, Berkeley.

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ARPA-E Selects 6 Projects for $9.6M in Funding, Including Improving Efficiency and Power Density of Electric Machines

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University of California Los Angeles (UCLA) (Los Angeles, CA): Thermal Energy Storage with Supercritical Fluids. Two-tank molten salt is currently the preferred state-of-the-art thermal energy storage for solar thermal power plants. Sustainable Energy Solutions (Provo, UT): Cryogenic Carbon Capture.

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Convert Oil Wells to Solve the Solar Storage Problem

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Solar batteries work as a short-term solution, but not when it comes to long-term storage or to power, say, an entire city. Thermal energy storage is a known low-cost, low-risk approach for storing solar energy in the form of heat,” adds Codd. “So gigawatts of clean energy in the next five years, is timely.

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US DOE Offers Abengoa Solar a Conditional Commitment for $1.45B Loan Guarantee for Concentrating Solar Power Plant

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Solana will include six hours of molten salt thermal energy storage capability, which will allow energy to be dispatched as needed during cloudy periods and after sunset. With this capability, Solana will be able to generate electricity well into the evening to help meet the summer peak demand.

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DOE awarding >$24M to 77 projects through Technology Commercialization Fund

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Integrated Power Block Heat Exchanger/Thermal Energy Storage System for CSP Plants, $348,000 CFOAM LLC, Triadelphia, W. Solar Energy Industries Association, Washington, D.C. Industry-Informed Physics-Based Monitoring for Asset Management and Maintenance Optimization, $500,000 Electric Power Research Institute, Palo Alto, Calif.

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New $30M ARPA-E program to develop new solar conversion and storage technologies; targeting higher solar penetration in mix

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Models of the solar-resource-rich California electricity grid show that PV curtailments will begin at penetrations as low as 12%, while about one-third of PV electricity would be curtailed at penetrations of ~28%. Although CSP can integrate inexpensive thermal energy storage, the cost of CSP solar energy capture is high.

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