this post was submitted on 29 Oct 2025
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A Boring Dystopia
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Residential solar cost per MWh is much more expensive than other sources, because many small generators is a more expensive (but more resilient) way to build power production.
Grid-scale solar plants are one of the most cost-effective ways to generate electricity. Only wind turbines are competitive in cost per MWh, and the real-world cost of any installation depends on the specifics of the particular installation (land value, insolation, wind patterns, scale, etc).
Yeah, there’s no point in investing too much into more expensive tech unless there’s a possibility that it will become the less expensive option in the future.
For example, sodium-ion batteries are about to eat lithium-ion’s lunch. Sodium is equal or better in almost every way but it comes in much less expensive.
For grid storage, Ambri has the cheapest possible molten salt battery. The company was struggling.
The MIT Prof who started this is Don Sadoway, he started this 13 years ago and no one gives a fuck in the US. Right idea, wrong country. The US grid is ruled by corruption and middle men reselling electricity -no one wants a cheaper solution.
This guy just gives an amazing lecture.
By 2024, Ambri was bankrupt. Reddit and Lemmy seem to think countries want real energy solutions, which is just not true. Corruption rules the energy grid.