My bad if it was unclear, "theoretical limitations" obviously concerned chemical means of storage. Hydro is ideal, but the problem is it needs mountains and hu

My bad if it was unclear, "theoretical limitations" obviously concerned chemical means of storage. Hydro is ideal, but the problem is it needs mountains and huge amounts of water, which aren't accessible everywhere You also didn't address the main point: storage drives up costs and externalities which most people advocating for intermittent sources seem to completely sweep under the rug