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I'm sorry, but somehow this manages to be the most incorrect comment in the entire thread so far, a textbook case of missing the forest for the trees.

For starters, numbers I've seen suggest something day ahead prices are something like 10% to 30% of the overall energy supply because most of it's sold outside of that context via things like regulated utility pricing, forward and futures markets which sell weeks to years ahead, and long-term bilateral contracts such as power purchase agreements. So most energy is not purchased this way over the short term.

Moreover, for goodness sake, inelasticity at the margin doesn't make something not a market, that's simply not what inelasticity means, and none of these considerations have anything to do with whether solar power in particular can be profitably offered to customers. (Again, why would it be just applying uniquely and exclusively to solar power but not other forms of energy?)

Investments of various kind occur over horizons of days, months, and years where these market dynamics unfold. Every energy source on offer whether it be solar panel, gas turbine and storage facility is financed built and dispatched based on the expectations of cost and profit. Demand is quite elastic over the horizon of months and years, and demand inelasticity is sometimes a feature of markets not something that identifies any specific phenomena that prevents solar power in particular from entering markets.

Solar power rises and falls throughout the day in a manner that conveniently aligns with actual energy consumption patterns, and its net effect on the grid is de-stressing peaking infrastructure.

So it's certainly true that there are day ahead markets but if you think the upshot of that is that it somehow means solar can't be provided at a price point affordable to consumers that simultaneously profitable to the companies providing it, well, the phrase "missing the forest for the trees" was practically invented for moments like this.





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