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Originally posted by gagol
I am just glad to see that solar panels are becoming kinda cost-effective in a state that have not much sun as other states, without using concentrators. It's clear that we cannot rely solely on one source of energy, diversity rules.
Originally posted by Steve8511
Just like many threads here and people you meet have to be stupid to believe that there is an alternative to what we are doing as a country right now.
So we eliminate oil….. no tires, no computers, no energy, no plastic, etc…
Now the “stupid” say why not solar or wind, cry , cry , cry….. well, because that means we all still have to have resources dug out of the ground and manufactured. There is NO plant that can be run by solar because it sucks!! And say we made all homes into solar the resources would make oil look like a great idea!
We get oil from deep underground so we never see what the earth does to get the job done. Imagine the enormous factories and “stuff” it would take to do what oil does!?
Nuclear is a great choice but you tree huggers have no spine to do what’s needed.
Sorry, the truth hurts.
Originally posted by gagol
The Holy Grail of the solar industry — reaching grid parity — may no longer be a distant dream. Solar may have already reached that point, at least when compared to nuclear power, according to a new study by two researchers at Duke University.
It’s no secret that the cost of producing photovoltaic cells (PV) has been dropping for years. A PV system today costs just 50 percent of what it did in 1998. Breakthroughs in technology and manufacturing combined with an increase in demand and production have caused the price of solar power to decline steadily. At the same time, estimated costs for building new nuclear power plants have ballooned.
The result of these trends: “In the past year, the lines have crossed in North Carolina,” say study authors John Blackburn and Sam Cunningham. “Electricity from new solar installations is now cheaper than electricity from proposed new nuclear plants.”
Source : theenergycollective.com...
Is building nuclear facilities that cannot be dismantled for thousands of years really worth it? The market will probably answer the question.
Originally posted by gagol
Tires are made from rubber, grow in trees.
Originally posted by ANNED
Originally posted by gagol
Tires are made from rubber, grow in trees.
Tires have not been made from tree rubber since WW2.
en.wikipedia.org...
In 2005, close to 21 million tons of rubber were produced of which around 58% was synthetic.
Solar power is ONLY peaking power it only works when the sun is shining.
its only good during the peak power use hours in the daytime.
silica: SiO2
continental composition 60.2%
oceanic plate composition 48.6%
A Great Green Rip-Off
On April 1st the government introduces its feed-in tariffs. These oblige electricity companies to pay people for the power they produce at home. The money will come from their customers, in the form of higher bills. It would make sense, if we didn’t know that the technologies the scheme will reward are comically inefficient.
It expects this scheme to save 7m tonnes of carbon dioxide by 2020(5). Assuming, generously, that the rate of installation keeps accelerating, this suggests a saving of around 20m tonnes of CO2 by 2030. The estimated price by then is £8.6bn(6). This means it’ll cost around £430 to save one tonne of carbon dioxide.
Last year the consultancy company McKinsey published a table of cost comparisons(7). It found that you could save a tonne of CO2 for £3 by investing in geothermal energy, or for £8 by building a nuclear power plant. Insulating commercial buildings costs nothing; in fact it saves £60 for every tonne of CO2 you reduce; replacing incandescent lightbulbs with LEDs saves £80 per tonne. The government predicts that the tradeable value of the carbon saved by its £8.6bn scheme will be £420m(8). That’s some return on investment.
www.monbiot.com...
We are also forgetting about Fuel Costs, Maintenance and disposal of Radioactive wastes, safety, inspections, regulations, etc, etc, etc...
Whereas Silicon is QUITE plentiful.
You can't claim that solar panels are better than the grid when you rely on the grid to back it up and pay for the solar panels in the first place.
The difference is the Nuclear plant needs an order of magnitude less land area
Using grid tied solar panels would save energy when the sun is up...
Hey YOU! with the Solar Panels on your roof!
Take that Down THIS INSTANT... we need the space for Nuclear Power!
But you're right, lets use Bizzaro Logic on this one, I'm sure that the wall street derivatives gang will back you up anyways.
1. Shift from Truck to Rail Cost: -$91.56 per ton. Incentivising a move to rail (or river) cargo movement rather than trucks also reduces smog and wear and tear on highways.
2. Vehicle Purchase Incentives Cost: -$66.37 per ton. Incentives like cash for clunkers for choosing fuel-efficient vehicles. Switching to pay-as-you-drive auto insurance, (which makes insurance more expensive for more miles driven).
3. Anti-Idling Technologies and Practices Cost: -$65.19 per ton. Setting limits on how long buses and trucks can idle, and investing in electrification of truck stops. Requiring automatic engine shut-down/start-up system controls.
4. Appliance Standards Cost: -$53.21 per ton. Setting higher appliance efficiency standards which make it cosdt effective for manufacturers to compete in efficiency, knowing there will be a market creating an economy of scale.
5. Energy Efficiency: Demand Side Management Cost: -$40.71 per ton. Rewarding energy reduction, such as decoupling utilities and offering incentives to reduce energy (by investing in efficient appliances or machinery).
6. High Performance Buildings Cost: -$24.99 per ton. Setting incentives and targets for building owners and developers to meet high-efficiency standards.
cleantechnica.com...
You seem to have missed the point entirely. Besides, this thread is about economics and you're the one who tried to use economics against Nuclear.
The only way to get people to invest in such infrastructure is by one of two forms of support. Government Rebates (subsidies), or Feed-in tariffs.
You mentioned selling electricity back to the grid, hence I am assuming that you are talking about feed-in tariffs which increase the cost of grid electricity for everyone that does not have a solar panel in order to help pay for your solar panels.
Getting 50% of our energy from solar panels encouraged by the current rate of feed-in tariffs you mentioned would increase the price of grid electricity by a factor of three, approximately.
Like I said, I don't want to pay a cent for something that costs around £430 to save one tonne of carbon dioxide.
If you don't have this government mandated support then nobody would buy solar panels because they're so uneconomical.
If you're not talking about feed-in tariffs then I apologize but it must be understood that without some form of support nobody would buy solar panels and I doubt the utility would even buy the power back.
If you mean in a decade when solar might be more viable, then maybe I would agree.
I said, "the most economical form of solar", which is solar concentrating thermal. Reading is fundamental.
Ah yes. Anyone who does not believe in perhaps the most expensive way to get away from fossil fuels, which would not work, which would take money from people who can't pay for solar panels, so rich people can pay for theirs, has wall street to back them up. Seriously....
Feed-in tariffs are not mentioned.