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Scaling up [[energy storage]] is already a challenge, even for solar which only needs about a day's worth of energy storage in general. Wind might need several weeks worth{{x|i.e. could easily need 40 times more battery capacity for the same ''average'' energy consumption rate}}. | Scaling up [[energy storage]] is already a challenge, even for solar which only needs about a day's worth of energy storage in general. Wind might need several weeks worth{{x|i.e. could easily need 40 times more battery capacity for the same ''average'' energy consumption rate}}. | ||
Wind energy is probably best stored via [[hydrogen gas]], which doesn't have a ''fixed capacity'' the way batteries do. {{x|A battery can only store a fixed amount of energy at any given time. But hydrogen could be produced and stockpiled if necessary (as long as [[hydrogen gas/safety|safety]] concerns are addressed). Hydrogen production units (electrolyzers) still have a fixed ''power'' rating: There's a limit to how much hydrogen can be produced ''per unit of time''.}} | |||
===Geography=== | ===Geography=== |