this post was submitted on 01 Oct 2025
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Solar panels crom China made it a lot cheaper than it used to be. There are also other major advatnages, such as increased independence. You just buy a bunch of solar panels and now you can indenepdently generate energy for the next 30 years.
Solar panels are not the expensive part of using solar to power the country - the storage and transmission is.
Although having said that, the cost of regularly cleaning panels, replacing them, throwing them in landfill, and mining materials to make new ones every 15 years or so is also huge - and destructive to the planet. It’s just more of a slow burn cost that snowballs.
True, batteries are quite expensive and very much not environment-friendly when built on such a scale. Though it should be noted good solar panels last longer than 15 years. Even cheap panels can last 20 years.
They need regular cleaning otherwise they can very quickly drop to close to zero output, and storms - especially hail - can destroy entire solar farms at once.
https://x.com/jnampijinpa/status/1973660876793368808
https://www.cis.org.au/publication/the-renewable-energy-honeymoon-starting-is-easy-the-rest-is-hard/
This is an important point to consider. However, to me it seems somewhat separate from your previous comment.
Of course, no sane government should push for a country to rely solely on wind and solar. Ideally you have a mix of various energy sources, even potentially including some fossil fuels. Hitting that 20-30% sweetspot, as mentioned in the paper, looks to be fairly cheap and beneficial for everyone.
That’s what almost every “net zero” government has been pushing though. They claim it is doable with zero fossil fuel, just 100% “renewables”.