More Nuclear, Coal or Natural gas power?

Nuke
Hydro/Wind/Solar

And the third choice should be figuring out the storage of off-peak for on-peak usage.

-- Pump water uphill for later reuse through turbines
-- Run fridge and AC compressors off peak, storing the cold to thaw later in the day
-- Have intelligent interruptible charging of cars and whatnot. The solid state batteries coming out that hold a weeks worth will be great for this.

Only after all this, start burning fuels.
 
Like I mentioned in another thread... more geothermal electricity generation, MUCH more. Tremendous bang for the buck, predictable/reliable 24/7 generation, and CLEAN. No greenhouse gas generation, no fuel resource use, and no nuclear material disposal issues.

https://www.eia.gov/energyexplained/geothermal/use-of-geothermal-energy.php

There is enough geothermal energy available that 50% of the country could get it's electricity from this kind of power generation. This would be a MUCH lower cost alternative to constructing new nuclear power plants, in addition to being a more politically palatable option. Personally, I am in favor of constructing more nuclear power plants, but the overwhelming construction cost and lead-time makes this option a non-starter IMO.
One needs to be careful not to conflate geothermal heat pump resources with geothermal electricity generation resources, there's a reason Iceland (sitting on a volcano) is the only country to depend on the latter. Yes, there are a few states with Geothermal powergen (mostly California) but 16TWh for the entire contiguous US is not a lot. You need, as the link notes, high steam temperatures to make that viable, and availability of that is limited, it's also complex (and expensive) to implement and requires deep drilling (unless you are on a volcano).

In comparison, you can build a nuke anywhere. Nuke lead times and construction costs are dominated by regulatory issues, not technological. France built >70 reactors in less than 20 years, Ontario built 20 in ~20 years, nukes can be constructed quickly if they aren't red taped to death.

Ultimately, all the nuclear material came from the earth in the first place, putting it back there (a DGR) shouldn't be as controversial a topic as it has become.
 
This would be an excellent option if... there were enough hydro available to power the electric generation (which has been a rapidly declining resource over the last 20 years).
Yup, and the footprint of hydro can be considerable. The area for the James Bay Project in Quebec is the size of the state of Florida.
 
The cheapest power if the watt you don't need to generate.

Efficiency and conservation is a good option. Heat pumps seem to be a good residential heating option.... moving heat rather than generating it.
Not if you are a utility. Large plants are the cheapest to operate run wide-open. In Ontario, because of the fixed-cost nature of our generating assets (thanks GEA!) it's actually cheaper (per kWh) to use more power than to leverage conservation.
 
That gives rise to what supports what - takes lots of steel bar and pipe to do these projects … that takes natural gas to heat billets and the heat treat phase is typically HV electric ovens etc … Concrete is very fuel (and lube) intensive … Transport etc
Yup, but you can do electric arc furnaces and hydrogen, cutting NG out of the picture. Nukes produce absolutely obscene amounts of electricity and very rapidly pay back their sunk emissions. Lifecycle emissions of nuclear plants are the lowest of any technology because of that.
 
Ill go Nuclear any day for reliable clean energy and also for those greenie's out there.

"The water elevation at the Hoover Dam stood at a meager 1,041 feet on July 18th, 2022, according to the Bureau of Reclamation, which manages Lake Mead. That’s a scary number because, once it drops below 1,000 feet, it will affect the dam’s ability to operate its hydropower turbines. The dam typically provides power to 1.3 million people in Nevada, Arizona, and California."

https://www.theverge.com/2022/7/22/...ow-nasa-satellite-images-hoover-dam-reservoir

https://nymag.com/intelligencer/2021/07/the-hoover-dam-is-running-low-on-water.html

Now just think if they were investing in nuclear the last couple decades, it would be no sweat.
Hard pass on nuclear energy contamination. https://en.wikipedia.org/wiki/Chernobyl_disaster , And that nuke plant that blew up due to the earthquake and flood in japan, really instills confidence in it's safety. At least when dam water stops flowing, it doesn't contaminate anything. It would be nice to leave your grand-kids a planet,that's not contaminated for the next 10,000 years.,,
 
Most dams were designed or renovated to generate power. In the last decade or so, along with wind turbine technology, underwater paddles were being researched to harness energy in the oceans. Underwater currents have been discovered to be a continues source. Meaning they are not interrupted or affected . So spinning a turbine would be a perfect uninterrupted source. No need at all for fossil fuels. Or having to figure out what to do with spent nuke material.,,
The problem is that people have a really hard time with energy density. Spinning a turbine with the current sounds amazing until you realize how much equipment you have to install to capture enough to be useful. It's like all these failed tidal generating stations, it simply doesn't work at scale because it isn't energy dense enough. Nuclear is 20,000x more energy dense than fossil fuels, and fossil fuels are the most dense form we'd ever come across before discovering fission. Nothing comes close.
 
Hard pass on nuclear energy contamination. https://en.wikipedia.org/wiki/Chernobyl_disaster , And that nuke plant that blew up due to the earthquake and flood in japan, really instills confidence in it's safety. At least when dam water stops flowing, it doesn't contaminate anything. It would be nice to leave your grand-kids a planet,that's not contaminated for the next 10,000 years.,,
1. Chernobyl was built by the Soviet Union and lacked any form of secondary containment. You can't compare that to any modern design operating today. Hell, even the first CANDU we built at Douglas Point had secondary containment.

2. Fukushima killed one person (and that's highly debatable, it's arguably zero) and other than creating a huge financial headache for Tepco, was a testament to how, even when things go wrong, the impact isn't much. This was after Tepco intentionally avoided relocating the emergency generators to behind the plant and upgrading the seawall, both of which they had been advised to do, but were able to avoid due to "grandfathering" regulations.

3. The most deadly power-generation related accident in history happened with hydro-electric (and I'm a fan of hydro-electric). The Banqaio dam failure in China produced the 3rd largest flood in history and killed up to 240,000 people. Ironically, this dam was constructed with the help of the Soviets (like Chernobyl).

4. Nuclear has the 2nd lowest rate of fatalities of any power generation source based on TWh produced (and the safest depending on whose fatality figures you use for Chernobyl).
5-Bar-chart-–-What-is-the-safest-form-of-energy.webp
 
In my opinion, the widespread use of nuclear power is humanity's only future unless one desires food and water starvation, mass migration, and political instability (and who would?).
 
Yup, but you can do electric arc furnaces and hydrogen, cutting NG out of the picture. Nukes produce absolutely obscene amounts of electricity and very rapidly pay back their sunk emissions. Lifecycle emissions of nuclear plants are the lowest of any technology because of that.
If you want to keep adding building blocks - but oil & gas can build nuclear today.
 
1. Chernobyl was built by the Soviet Union and lacked any form of secondary containment. You can't compare that to any modern design operating today. Hell, even the first CANDU we built at Douglas Point had secondary containment.

2. Fukushima killed one person (and that's highly debatable, it's arguably zero) and other than creating a huge financial headache for Tepco, was a testament to how, even when things go wrong, the impact isn't much. This was after Tepco intentionally avoided relocating the emergency generators to behind the plant and upgrading the seawall, both of which they had been advised to do, but were able to avoid due to "grandfathering" regulations.

3. The most deadly power-generation related accident in history happened with hydro-electric (and I'm a fan of hydro-electric). The Banqaio dam failure in China produced the 3rd largest flood in history and killed up to 240,000 people. Ironically, this dam was constructed with the help of the Soviets (like Chernobyl).

4. Nuclear has the 2nd lowest rate of fatalities of any power generation source based on TWh produced (and the safest depending on whose fatality figures you use for Chernobyl).
View attachment 113532
One thing that wasn't mentioned in the chart was, that that after the dam failure in China, the people were able to return to that area and start life over again. Nobody will be allowed back to the Chernobyl area, pretty much forever. Properly built dams don't fail. And as long as man doesn't over use the resource, it will produce. But if you cut corners to save a buck during construction, anything can fail. And don't forget, even after we die, other people will need to live on the planet.,,
 
If you want to keep adding building blocks - but oil & gas can build nuclear today.
This is true, though here in Canada, nuclear lifecycle emissions are insanely low because most of the construction was powered by hydro-electric. Quebec steel and aluminum production is powered by hydro, uranium mining is done with hydro...etc. We already have a couple electric arc furnaces (powered by nuclear and hydro) here in Ontario, so FF usage is pretty low in the big scheme of things (primarily transport).

But, even if you use FF for that whole process, lifecycle emissions are still insanely low because of the volume of power nukes produce, which was the point I was making. The ROI is extremely good.

I heat with gas BTW, because it's insanely efficient (95%) and less expensive than electricity. Burning it for electricity (30-40% efficiency) seems silly if you can use the gas to produce a nuke, which can handle that part far more efficiently.
 
One thing that wasn't mentioned in the chart was, that that after the dam failure in China, the people were able to return to that area and start life over again. Nobody will be allowed back to the Chernobyl area, pretty much forever.
People are in the Chernobyl area right now. Many people never left. The power plant continued to operate until 2000 when it was forced to retire. The fact is that up to 240,000 people died in the dam failure, which dwarfs the estimated high-end fatalities for Chernobyl. You can tour Chernobyl, I'd love to go, Pripyat would be an incredible experience, as it's very much an analog to what would happen if society were to collapse. Nature has reclaimed the whole exclusion zone.
Properly built dams don't fail. And as long as man doesn't over use the resource, it will produce. But if you cut corners to save a buck during construction, anything can fail. And don't forget, even after we die, other people will need to live on the planet.,,
And a properly constructed nuke doesn't make huge swaths of land uninhabitable either. Fukushima residents have been allowed back (and many areas were allowed to return ages ago) and Japan is restarting their nuclear power plants after ensuring that this sort of stupidity can't happen again. The point is that a dam failure killed far more people than the worst nuclear disaster in history, and both were Soviet screw-ups.
 
This is true, though here in Canada, nuclear lifecycle emissions are insanely low because most of the construction was powered by hydro-electric. Quebec steel and aluminum production is powered by hydro, uranium mining is done with hydro...etc. We already have a couple electric arc furnaces (powered by nuclear and hydro) here in Ontario, so FF usage is pretty low in the big scheme of things (primarily transport).

But, even if you use FF for that whole process, lifecycle emissions are still insanely low because of the volume of power nukes produce, which was the point I was making. The ROI is extremely good.

I heat with gas BTW, because it's insanely efficient (95%) and less expensive than electricity. Burning it for electricity (30-40% efficiency) seems silly if you can use the gas to produce a nuke, which can handle that part far more efficiently.
The state of the art pipe plant I toured (like aluminum extrusion) does not deal in molten metal - they pierce hot billets as they rotate hot roll forming the tubes in the same path. They chose natural gas for that phase - and electric ovens for a computerized heat treat process … (in the second building - 27 acres under roof) …
XOM’s new petrochemical plant south of me (plastics) is all NG stream … It’s here to stay - IMO, we should use it as a bridge to nuke dominance … Then the other means can toss in a few Megs when the weather is right …
 
Hard pass on nuclear energy contamination. https://en.wikipedia.org/wiki/Chernobyl_disaster , And that nuke plant that blew up due to the earthquake and flood in japan, really instills confidence in it's safety. At least when dam water stops flowing, it doesn't contaminate anything. It would be nice to leave your grand-kids a planet,that's not contaminated for the next 10,000 years.,,
Mass Hysteria for events outside of our country make good news media, short of reality.
When dam water stops flowing in our country, people starve.
 
For me it would be:

Consistently and Reliably available. As in: Year around and regardless of the weather.

Preferably within my own geographic region (nation).

And controlled by my nation such that a valve (simplistic) isn’t closed because the power source provider (someone else) suddenly got his panties in a knot.

Final answer? Nuclear
 
As a "lifer" in the power industry, the system needs to be engineered to the desired community outcomes.

In the past, reliability and cost were the primary drivers of the construction of consolidated grids. Way back in the '50s, this was the way of grid design, predicted increases in demand, replace ageing fleet with larger, more efficient kit, and let the older stuff cycle harder, until reliability had it fall off a cliff.

It was quite a rational, conservative approach, based on the premise that the power had to be available when it was needed for community and industry to go about their normal business...so normal that nobody noticed or knew about what was going on in the big world of spinning things behind the light switch (because when you flick that switch, the grid responds).
The "mission statement" for the energy system needs to be re-defined. Cost ? There when you want it ? Manufactured out of what ? Storage and losses through conversion mechanisms (batteries, pumped storage, H2), space and utility for people to do the rest of the things that people want to do.

There's room for all technologies...but first we need to define what good looks like, and plan for it...not planning...well we know where that takes us.
 
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