that's good news for everyone, and there is even more ways to get energy. if we can use all these methods at once, the cost for energy would more cheap. all these alternative ways to get energy will be competing with eachother I think.
Solar energy
fusion reactor
geothermal energy
wind
tidal energy
| fatslob-:O said: Too bad that fossil fuels are cheaper than solar energy in most of the United States ... Solar Power has no foreseeable future as a big supplier in developed nations, eh ? The other thing that pisses me off about so called "renewable" alternatives to energy is that their intermittent and that we'd need expensive batteries to store that energy if we want to be self sustaining from fossil fuels ... Extreme environmentalists will never be able to break off dependence from traditional sources of energy no matter how hard they wish it LOL ... |
The sun is the provider and enabler of all life on the planet pretty much. If it can do that, it certainly can power our piddly little automobiles and homes. The sun emits a tremendous amount of solar energy onto the earth's surface, several times more than our energy needs require.
The price of solar will continue to come down too. This is all the land needed (the purple square there) of solar panels to power the entire United States, and that could be obviously more spread out through the country into like 10-20 different spots.
can even make sidewalks and roads with solar panels, so during winter it can also melt ice, and snow.
| Soundwave said: The sun is the provider and enabler of all life on the planet pretty much. If it can do that, it certainly can power our piddly little automobiles and homes. The sun emits a tremendous amount of solar energy onto the earth's surface, several times more than our energy needs require. The price of solar will continue to come down too. This is all the land needed (the purple square there) of solar panels to power the entire United States, and that could be obviously more spread out through the country into like 10-20 different spots.
|
I love the lack of sense of scale that is conveyed on such pictures.
That is several trillion dollars worth of solar panels - and not including the cost of replacing faulty ones, often cleaning and mantaining them, bulding the remaining infrastructure needed and so on. Not to mention it also means 264 million metric tons (give or take a few million tons) of solar panels for the US alone - decades, and in some cases hundreds of years of extracting polycrystaline silicon, zinc, copper at current levels. Not to mention rare earths! Do we even have enough mineral reserves remaining for that?
That's why we need (and it is only feasible that is so) a patchwork of several kinds of clean energy, not a single one.
| deskpro2k3 said: can even make sidewalks and roads with solar panels, so during winter it can also melt ice, and snow. |
How is that so? Imagine a pitch-black sidewalk, which already absorbs and directly converts to heat nearly 100% of sunlight. I'm sure those are still covered by snow and ice on a harsh winter. Where is the energy to melt it coming from, it the solar panel will also pick up the very same sunlight? I don't think you are exactly thinking this through.
| Soundwave said: The sun is the provider and enabler of all life on the planet pretty much. If it can do that, it certainly can power our piddly little automobiles and homes. The sun emits a tremendous amount of solar energy onto the earth's surface, several times more than our energy needs require. The price of solar will continue to come down too. This is all the land needed (the purple square there) of solar panels to power the entire United States, and that could be obviously more spread out through the country into like 10-20 different spots. *snip* |
The sun is the enabler for all of life yet some would dare to even look down on it because it is also the main enabler of climate change that you guys so despise ...
Solar has very little future in the near term outside of maybe California or Hawaii where electricity costs are high in those area all the while featuring high luminosity to boot ...
For most states it's just cheaper to dig up fossil fuels, refine and use them when the sunken costs have already been incurred ...
Humanity will not be able to rid itself of dependence from fossil fuels for a long time when it currently makes cars cheaper, can be used at will and has high energy density format which is useful for energy storage ...
haxxiy said:
How is that so? Imagine a pitch-black sidewalk, which already absorbs and directly converts to heat nearly 100% of sunlight. I'm sure those are still covered by snow and ice on a harsh winter. Where is the energy to melt it coming from, it the solar panel will also pick up the very same sunlight? I don't think you are exactly thinking this through. |
i think you should broaden your view, cuz it'll blow your mind
solar roadways
https://www.youtube.com/watch?v=qlTA3rnpgzU
That's good. I don't think I'll ever make back the money I spent on my solar system. I got in way too early.
deskpro2k3 said:
i think you should broaden your view, cuz it'll blow your mind solar roadways https://www.youtube.com/watch?v=qlTA3rnpgzU
|
There's so much wrong with solar roadways. I'll just share a video where someone has already demonstrated all the points. https://youtu.be/3pIfo1Dynjg
I wish people would stop throwing money at that project.
My longterm plan is to exchange our shingles for solar shingles and live complety off the grid. Dont even want a connection. Instead I will safe the energy in a powerwall or similar. Maybe even put a small windmill on my property. I am not doing it for financial reasons. Just want to be independent.
Make the Saudis ride camels in the desert again!
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