“Long-duration storage occupies an enviable position in the cleantech hype cycle. Its allure has proven more durable than energy blockchain, and its commercialization is further along than super-buzzy green hydrogen.
Depending on who you talk to, long-duration storage technology can knock out coal and gas peaker plants, turn renewables into round-the-clock resources and generally pave the way for a carbon-free grid.
But beyond the high-level predictions, it’s hard to find a consistent definition of what this category actually means and exactly what it’s supposed to do. That’s largely because a market for such things hasn’t really existed.”
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Spector, Julian. Green Tech Media 26 October 2020.