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Re: General Discussions

Reply #660

Seahawk helicopter rotor assemblies employ cadmium-plated Cr-Mo alloy steel and 2014-T6 aluminium alloy.  Wind turbine gearboxes use steel, aluminium or brass.
Both those points are simply generalisations, the parts corroding are special lightweight alloys chosen specifically for resistance, chosen for there ability to be additive manufactured and none are plated. Titanium is only one of them, there is very little steel it's too heavy. And you would know mixing metals in such and environment can make things even worse without mitigation steps.

The wind turbines are in the same locations, but none survive 30 years on original parts, just like ships have been in dry dock and recoated dozens of times and had many components replaced.

I was sponsored by the Fed's to go to Germany and study this very issue among others a decade or so back.
The Force Awakens!

Re: General Discussions

Reply #661
Nuclear power plants were supplying a peak of 17.5% of the world's power in 1996.  They now supply 10.3% of the world's power.

The real reason why nuclear power is becoming irrelevant as a power source is ecomics; it's cheaper to use sustainable energy sources and the risk factors are much lower.  It's actually a bit scary that private enterprise is driving the change to sustainable energy sources and dragging governments along in their wake.

The world changes a lot in that time.

Nuclear power has a long run up to build one.

In that time the power mix changes to do more with what comes online than anything going offline.

I think nuclear will make more sense both financially and bang for buck.  There are a multitude of reasons not to build them and its got to do with the no one wants one near them factor more than anything else IMHO. 


Thats fair.  I don't have any good answers but gum trees around my property limit the viability of solar panels at my place. 

Id be on the roof cleaning a lot.
"everything you know is wrong"

Paul Hewson

 

Re: General Discussions

Reply #662
@Thry

Cut down the gum trees and use them for firewood.  😁
Reality always wins in the end.

Re: General Discussions

Reply #663
@Thry

Cut down the gum trees and use them for firewood.  😁
Reminds me of the farmers who have taken to installing cell portable towers and flying agri-drones just outside the radio quiet perimeter of the SKA, in protest to it being built!

Some are even trying to claim that the SKA emits harmful radio waves, focussing the energy of the universe like an Egyptian pyramid no doubt. Remember pyramid Power. So their protest solution is to make even more RF noise in an attempt to damage / degrade the performance of the SKA! ::)
The Force Awakens!

Re: General Discussions

Reply #664
The world changes a lot in that time.

Nuclear power has a long run up to build one.

In that time the power mix changes to do more with what comes online than anything going offline.

I think nuclear will make more sense both financially and bang for buck.  There are a multitude of reasons not to build them and its got to do with the no one wants one near them factor more than anything else IMHO. 


Thats fair.  I don't have any good answers but gum trees around my property limit the viability of solar panels at my place. 

Id be on the roof cleaning a lot.

The fact of the matter is that nuclear power plants are being decommissioned and not replaced.  I think that's more to do with economics than environmental/climate change issues; renewables are cheaper and the baseload concerns are really just hot air.  Of course, storing renewable energy is not just about batteries; molten salt, heated sand and the generation of renewable fuels like hydrogen are realistic alternatives. 

My house is surrounded by gum trees and I'm about to double the number of solar panels on the roof.  The only problem I have is lichen growing on the panels.
“Why don’t you knock it off with them negative waves? Why don’t you dig how beautiful it is out here? Why don’t you say something righteous and hopeful for a change?”  Oddball

Re: General Discussions

Reply #665
55 new nuke plants being built and plenty more being uprated with 165 uprates in the USA alone.
Nuke plants get retired due to operational lifespan being met and its estimated that 123 will be retired by 2040 but 308 will come online.
Source the World Nuclear Association...

Re: General Discussions

Reply #666
55 new nuke plants being built and plenty more being uprated with 165 being  uprated in the USA alone.
Nuke plants get retired due to operational lifespan being met and its estimated that 123 will be retired by 2040 but 308 will come online.
Source the World Nuclear Association...

Nothing like some facts to make a point :)

Re: General Discussions

Reply #667
55 new nuke plants being built and plenty more being uprated with 165 being  uprated in the USA alone.
Nuke plants get retired due to operational lifespan being met and its estimated that 123 will be retired by 2040 but 308 will come online.
Source the World Nuclear Association...

With breathtaking cynicism and through a callous military lens, let me put on my devil's advocate hat for a moment with an obtuse view on nuclear energy.

Were I an enemy, a geographically distant enemy (or perhaps a terrorist), of a nation with nuclear power plants, I'd only need to destroy/sabotage them to get real 'bang for my buck'. Not only would I cause power supply issues but I'd have released some pretty harmful (to say the least) particles into their air/environment. And then when they were deploying enormous resources to limit the damage... they'd be weakened and primed for another strike.

Every power source has its pros and cons. None is a panacea. Just like our elections, so much is about choosing the lesser of the available evils (in a non-biblical sense).

Okay, the cynical cap is now off... phew... that was depressing! Right, onto more important issues... I wonder how our new look defense will stand up to the Dawks today?
Only our ruthless best, from Board to bootstudders will get us no. 17

Re: General Discussions

Reply #668
The reality is fossil fuels out and nuclear in at some stage and like I said before people's idea that it's one nuke plant hidden in the outback somewhere isn't how it works and one means more if you want a decent chunk of your power from nuclear sources.


Re: General Discussions

Reply #669
The reality is fossil fuels out and nuclear in at some stage and like I said before people's idea that it's one nuke plant hidden in the outback somewhere isn't how it works and one means more if you want a decent chunk of your power from nuclear sources.

If you caught that idiot Pelosi two days back saying the Democrats were on a mission to save the planet, it just demonstrates that the November mid terms cannot arrive soon enough.

Re: General Discussions

Reply #670
55 new nuke plants being built and plenty more being uprated with 165 uprates in the USA alone.
Nuke plants get retired due to operational lifespan being met and its estimated that 123 will be retired by 2040 but 308 will come online.
Source the World Nuclear Association...

Quote
The USA has 93 operable nuclear reactors, with a combined net capacity of 95.5 GWe. In 2020, nuclear generated 19.7% of the country's electricity.There had been four AP1000 reactors under construction, but two of these have been cancelled. One of the reasons for the hiatus in new build in the USA to date has been the extremely successful evolution in maintenance strategies. Over the last 15 years, improved operational performance has increased utilisation of US nuclear power plants, with the increased output equivalent to 19 new 1000 MWe plants being built. 2016 saw the first new nuclear power reactor enter operation in the country for 20 years. Despite this, the number of operable reactors has reduced in recent years, from a peak of 104 in 2012. Early closures have been brought on by a combination of factors including cheap natural gas, market liberalization, over-subsidy of renewable sources, and political campaigning.
Source: World Nuclear Association

To summarise the "facts" provided by the World Nuclear Association for the USA:
* There are 93 operable nuclear reactors in the USA.
* Four reactors were under construction but two have been cancelled.
* Improved maintenance has increased operational performance.
* The first new nuclear power plant in over 20 years commenced operation in 2016.
* The number of operable reactors has declined from a peak of 104 in 2012 to 93 in 2020.

It's interesting to read through the nuclear programs of different nations with Germany set to end nuclear power generation this year and France scaling back to 50% by 2035, while countries like Turkey and Bangladesh are starting construction of their first power plants.  However, you do have to treat the World Nuclear Association data with a little caution; Australia is listed as one of about 30 countries that "are considering, planning or starting nuclear power programmes".  The Australian situation is covered in more detail, and quite accurately, in another section but our listing in that category is misleading.




“Why don’t you knock it off with them negative waves? Why don’t you dig how beautiful it is out here? Why don’t you say something righteous and hopeful for a change?”  Oddball

Re: General Discussions

Reply #671
To summarise the "facts" provided by the World Nuclear Association for the USA:
* There are 93 operable nuclear reactors in the USA.
* Four reactors were under construction but two have been cancelled.
* Improved maintenance has increased operational performance.
* The first new nuclear power plant in over 20 years commenced operation in 2016.
* The number of operable reactors has declined from a peak of 104 in 2012 to 93 in 2020.

It's interesting to read through the nuclear programs of different nations with Germany set to end nuclear power generation this year and France scaling back to 50% by 2035, while countries like Turkey and Bangladesh are starting construction of their first power plants.  However, you do have to treat the World Nuclear Association data with a little caution; Australia is listed as one of about 30 countries that "are considering, planning or starting nuclear power programmes".  The Australian situation is covered in more detail, and quite accurately, in another section but our listing in that category is misleading.





France are planning 14 more nuclear reactors by 2050 according to Macron.France has no oil, no gas and no coal and wants to close it's remaining  fossil fuel burning plants.
Australia would need about 25 reactors and they take around 10 -15 years to build.
You need plenty of water and they need to be near consumers so that's building around the coast plus you need foreign investment from companies and the reality is that will come from China etc who already have a strong ownership in our distribution network.
Can't see any Government making the nuke call in Aus and risking the backlash in the short to medium term.

Re: General Discussions

Reply #672
France are planning 14 more nuclear reactors by 2050 according to Macron.France has no oil, no gas and no coal and wants to close it's remaining  fossil fuel burning plants.
Australia would need about 25 reactors and they take around 10 -15 years to build.
You need plenty of water and they need to be near consumers so that's building around the coast plus you need foreign investment from companies and the reality is that will come from China etc who already have a strong ownership in our distribution network.
Can't see any Government making the nuke call in Aus and risking the backlash in the short to medium term.
Need to put on the big boy pants, grow some balls and get on with it.
2017-16th
2018-Wooden Spoon
2019-16th
2020-dare to dream? 11th is better than last I suppose
2021-Pi$$ or get off the pot
2022- Real Deal or more of the same? 0.6%
2023- "Raise the Standard" - M. Voss Another year wasted Bar Set
2024-Back to the drawing boardNo excuses, its time

Re: General Discussions

Reply #673
Can't see any Government making the nuke call in Aus and risking the backlash in the short to medium term.
Whether or not Nuclear is the way to go is 1 thing.....and a pretty easy decision IMO.

Whether or not the governments do it is another.....and we probably all know the likelyhood of doing the right thing.

Re: General Discussions

Reply #674
Interesting article about the impending closure of Eraring, the biggest coal-fired power station in Australia. Renewable power has resulted in the closure being brought forward by 7 years to 2025.

Switching off, abc.net.au

Quote
For the most part, Eraring workers aren’t angry at Origin Energy. They have seen the rapid rise of renewables like rooftop solar steal the cream off the plant’s profits. And they’ve watched as their power station, which must run continuously, is forced to keep producing when the price of electricity crashes.

They understand that this, along with growing numbers of large wind and solar farms coming onto the grid, will make their coal-fired power station unviable.

Quote
For its part, Origin Energy plans to install a battery on the site of Eraring Power station.

The article shows how badly the shutdown will affect the workers at the plant and the local businesses which rely upon it. It also notes how well Germany handled the transition from fossil fuel energy generation to renewables and how badly governments handle the transition. The Germans made sure the transition would unfold over 50 years. Our transitions happen almost overnight.

But the fact that the power plant is going to be replaced by a battery is a pretty clear indication that nuclear power has no chance of taking off in Australia. The power plant is called Eraring after Lake Eraring, a plentiful supply of water. It also has the facilities to step up power to transmit it to the grid. After all, it supplies 20% of NSW's power. It's also in a regional location, so it wouldn't attract too many NIMBY complaints. I'd imagine the local residents would prefer the power plant to be replaced by another power station that would bring jobs with it, whereas the battery will only involve a construction crew of 128 and only 10 jobs once it's completed.

Yallourn is also closing by 2028 and will again be replaced by a battery:   Energy Australia to close Yallourn power station early and build 350 megawatt battery, abc.net.au.