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Wind and solar unbeatable for low cost new electricity
(cosmosmagazine.com)
This is a most excellent place for technology news and articles.
This is exactly what we need to focus on, driving down the costs of storage. Personally i'm a fan of molten salt storage placed at retired coal plant turbines, compressed CO2 seems like a solid bet as well. If flow batteries get their kinks worked out they can be quite cost competitive.