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Both sides previous revision Previous revision Next revision | Previous revision | ||
solar_power [2008-02-20 07:07] – nik | solar_power [2008-05-26 17:00] (current) – nik | ||
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light-> electricity | light-> electricity | ||
- | notes/links | + | ====notes/links==== |
* http:// | * http:// | ||
* http:// | * http:// | ||
* http:// | * http:// | ||
- | increasing efficiency | + | ====increasing efficiency==== |
* http:// | * http:// | ||
- | parts / suppliers | + | ====parts / suppliers==== |
* http:// | * http:// | ||
* http:// | * http:// | ||
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* flexible thinfilm -> http:// | * flexible thinfilm -> http:// | ||
- | + | ==== guestimates ==== | |
- | + | ||
- | + | ||
- | === notes === | + | |
< | < | ||
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* US power grid capacity: 776 gigawatts | * US power grid capacity: 776 gigawatts | ||
- | IE, you'd need less than 1% of Texas using off-the-shelf solar cells to equal the power generating capacity of the entire US grid. | + | ie., you'd need less than 1% of Texas using off-the-shelf solar cells to equal the power generating capacity of the entire US grid. |
+ | </ | ||
+ | or... | ||
+ | < | ||
+ | Humanity uses around 1.5e13 W, and the Earth receives around 1.366e3 W per m² from the Sun (varies with year and month). Earth has a land area of around 1.5e8 km². Assuming 10% efficiency for photovoltaics, | ||
</ | </ | ||
- | === various === | + | ==== various |
* http:// | * http:// | ||
* vertical multijunction (VMJ) cell http:// | * vertical multijunction (VMJ) cell http:// | ||
* http:// | * http:// | ||
* "Solar cell directly splits water for hydrogen" | * "Solar cell directly splits water for hydrogen" | ||
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- | related: [[Renewable Energy]] / / [[Category Energy]] | + | |
+ | related: [[Renewable Energy]] / / [[Category Energy]] / / [[luminous: | ||