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For Firefox users, there is media bias / propaganda / fact check plugin.
https://addons.mozilla.org/en-US/firefox/addon/media-bias-fact-check/
- Consider including the article’s mediabiasfactcheck.com/ link
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So first off, the source of this article being pv-magazine makes me immediately skeptical about unbiased reporting. This part really gets me though:
And availability is not a problem with renewables then? If not the central problem? Hydroelectric is probably the most reliable of the renewables, but then we have the aforementioned problem of low river flows. Droughts could even affect pumped hydro: a much-touted solution to availability problems with wind and solar. For crying out loud, present both sides of the argument fairly! /end rant
At any rate, I can get on board the idea that in terms of adding new generating capacity, renewables may be the most competitive option at the moment? They have come a long way in a short time, though they still face major challenges on the energy storage front.
But in terms of getting away from existing fossil fuel-based power generation, is nuclear not an attractive option? The infrastructure is already there, and would essentially have to be largely abandoned as sunken assets by power utilities switching to something like wind or solar right?
Consider your average coal plant. It is a centralized heat source powering steam turbines connected to large generators and a giant transformer station feeding power out over a network of high voltage transmission lines.
What is a nuclear plant then? It is a centralized heat source powering steam turbines connected to large generators and a giant transformer station feeding power out over a network of high voltage transmission lines. I'm thinking at least some of the existing hardware could be repurposed for nuclear to leverage what already exists? Am I wrong?
Pumped hydro doesn't consume nearly as much water as a thermal generator. Especially if you cover the reservoirs. It also gives you an emergency backup.
Would you prefer:
Option A where you immediately have no power when the river gets low,
Or option B where you still have power after the river gets low, but can also choose to give up the ability to have some of your power at the end of a week long cloudy period in exchange for water?
Good point. I am not opposed to pumped hydro or other such schemes for storing energy. Nuclear itself tends to be employed for base load power generation and is not especially good at following demand variability. Having supply side variability (from solar, wind, etc.) makes matters worse, of course, and necessitates even more storage. But one way or another, it will be needed, and pumped hydro tends to scale better than say battery farms.
I wonder about option B. As it stands where I live at least, there is not much wiggle room in terms of getting people to use less power in the event of a shortage. For example, the local utility has offered free programmable thermostats in exchange for giving them the ability to control power usage in the event of a shortage, but I understand uptake of the program has been low thus far. I suspect in that scenario, they would have to bring fossil fuel power generation online.
Where I live is not in a drought-prone area at least, but it is also not suitable for pumped hydro given the geography. There was talk in the local news recently about a compressed air storage system that may get built nearby our natural gas plant. This juxtaposition makes some sense when you think about it, since it is a site that already features well-established grid hookups, so they can piggyback on that. The province as a whole is generating something like 60% nuclear, 32% renewables (mostly hydro), and 8% fuels. Recently, there was a major refurbishment of some of the nuclear reactors and it came in on budget and ahead of schedule, so the argument that anything nuclear must automatically involve cost overruns is perhaps no longer true, though good lord we have seen some epic ones in the past, particularly after the utility was privatized.