100% Renewable Energy Needs Lots of Storage. This Polar Vortex Test Showed How Much.

Energy storage is a key piece of the power puzzle as cities, states, and supporters of the Green New Deal talk about a transition to 100 percent carbon-free energy sources within a few decades. Using energy production and power demand data, analysts at Wood Mackenzie showed how a 100 percent renewable energy grid, powered half by wind and half by solar, would have had significant stretches without enough wind or ...
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