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The Southwest Research Institute, a Texas NGO, says it's found a way to slash the cost of pumped-hydro grid batteries - by using modular prefabricated dams. : r/Futurology
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Industry Study: Li-ion Battery and Pumped Storage - Comparing Costs and Expenditures - National Hydropower Association
Batteries get hyped, but pumped hydro provides the vast majority of long-term energy storage essential for renewable power – here's how it works
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Optimal hybrid pumped hydro-battery storage scheme for off-grid renewable energy systems - ScienceDirect
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Storage Futures Study: Economic Potential of Diurnal Storage in the U.S. Power Sector | Department of Energy
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Batteries Get Hyped, but Pumped Hydro Provides the Vast Majority of Long-Term Energy Storage Essential for Renewable Power – Here's How It Works
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