Profit doesn't equal good. Renewables take a lot of materials and fabrication to upkeep. Im sure theres more money to be made in renewable than there is in nuclear, that doesn't imply one is better than the other.
I wonder how this determination is affected by the boondoggle that is the public funding of nuke plant construction with huge overruns paid for by consumers.
It's getting ose to the point where even if you are handed one it's more cost effective to build a wind farm and let it sit.
A MWh of wind is about $33 and O&M for a MWh of nuclear is about $30.
Everyone seems to be focused on electricity production, but ammonia production (ie nitrogen fixation) for fertilizer is often overlooked. Right now it is accomplished mostly with natural gas. If we're supposed to do it instead with wind and solar, we're going to have to rely on simple and inefficient electrolysis of water to generate the hydrogen needed for the Haber process. Nuclear power plants have the advange of producing very high temperature steam, which allows for high temperature electrolysis, which is more efficient.
When you consider our fertilizer needs, it becomes clearer that nuclear power will have to play the predominant role in the transition away from fossil fuels.
100% renewable energy is not possible on our current electrical grids. We usually use more energy at night where renewable does not cover our peak energy requirements, therefore, as a carbon neutral energy source nuclear covers that peak perfectly.
alternatively, address the shortcomings of the power grid
Instead of "alternatively" let's say "in addition". We're not going to solve anything with a single solution we need nuclear, we need solar and other renewables, and we need to upgrade the grid. All at the same time.
So first off, the source of this article being pv-magazine makes me immediately skeptical about unbiased reporting. This part really gets me though:
The availability of this electrical source is also questioned in view of the increasingly frequent droughts expected in the coming years, causing, in particular, low river flows and therefore associated problems of cooling power plants.
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?
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
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?
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