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Solar Panels: Costs Dropping, Fueling Growth of Renewable Energy

World  (tags: Solar, Clean Energy, Green, Solar Panels, Global Solar Power, Renewable, Costs Dropping, Investments, Renewable Energy Boom )

- 719 days ago -
Global development of renewable energy is booming largely due to a sharp drop in the cost of solar panels.

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Debbie G. (311)
Thursday June 13, 2013, 12:52 pm
This is great news! One of my dreams is to have a home powered by solar energy and live off of the grid.

Brian M. (210)
Thursday June 13, 2013, 1:11 pm
This nation could come a great deal closer to a future free of fossil fuel consumption if every roof had solar panels on it. As costs continue to come down, we need to apply more pressure on the government to provide assistance for solar panel installation for low income families and substantial incentives for everyone else.

Jane H. (139)
Thursday June 13, 2013, 1:28 pm
Hope this continues and that Chinese -made solar panels are not defective!

Brian M. (210)
Thursday June 13, 2013, 1:31 pm
It wouldn't surprise me if they have less than a fraction of the problems that American solar panels have...and at a fraction of the cost.

mag.w.d. Aichberger (34)
Thursday June 13, 2013, 2:14 pm
> a U.N.-backed [unfortunately UN-linked-to] report published Wednesday.
> Global energy-generating capacity from [so-called] renewable sources
energy?? not electricity? what exactly...
capacity?? how does that correspond to peak/average/sum-total/during-peak-demand-hours ?

> 1,470 GW equivalent to about 1,500 nuclear reactors
before i do any numbers: NO, they are not equivalent
reactors would be roughly 1GW -- that's reasonable (Fuk.daiichi has a few smaller a few larger ones; Ch-IV was 1 GW RBMK); more precisely: 1GWe (electric) =~ 3 GWt (energy; Ch-IV had ~3.2 GWt) PEAK capacity, or 'rating'
Chernobyl had (if memory serves) years with production >90% (of rating; and probably managed months with >100%); Fuk.dai-ichi produced around 70% in the years before the quake ...

> One of my dreams is to have a home powered by solar energy and live off of the grid.
dream on! ((just don't start any politics, physics or math!))

and my favorite fantasy remains
a (for-at-least-millennia) *sustainable* (tekknutopian) world, where "no one is hungry, no one needs to go without shelter, and in which one need not even work if she or he chooses a life of leisure" (to use words from Jack McDevitt's "Polaris" (2004))
(( and actually as a kid, i(diot) had assumed that by 2000..., well 2020, latest, humankind would have made most of our way there))
PS peak: 60 Wp/m**2; AT: ~1000 kWh/y/kWp => avg =~ 11% peak
'guaranteed': 80% of peak for 15 years
((hmm what does guaranteed here mean; will the company that sells them even exist in 10 years?...)


mag.w.d. Aichberger (34)
Thursday June 13, 2013, 2:34 pm
an interesting topic, for sure!
> Global energy-generating _capacity_ [*production* = ??] from ''renewable'' sources rose by 115 GW in 2012, compared with 105 GW in 2011

awk (and 4 my archive)
The energy _consumption_ growth in the G20 slowed down to 2%p.a. in 2011, after the strong increase of 2010.
from 1990 to 2008, the average energy use per person increased 10% while world population increased 27%
In 2008, total worldwide energy _consumption_ was 474 EJ - equivalent to an average power use of 15 TW
humankind's average power _consumption_ = ~ 16 TW (80-90% fossil)
global electricity _production_ = ~2.5 TW ~2010

2% of 15 TW = 300 GW

Christeen Anderson (620)
Thursday June 13, 2013, 3:56 pm
More will be used as it is made affordable. Thank you.

Brian M. (210)
Thursday June 13, 2013, 5:15 pm
Those who have no answers and who don't want anyone else to have answers and who don't want anyone to find any answers ramble on at length with no particular purpose in mind other than perhaps to assert that their "superior intellect" can find no solution to today's problems and therefore we should all give up trying and prepare for death and disaster. Solar power might not be THE answer, but is and will be a significant part of humanity's answer to getting off fossil fuels and onto clean, renewable forms of energy. Discounting solar power is a reactionary, corporate reflex that has no practical utility in the rapidly changing climate chaos world. We need solar. We need other forms of clean energy. We also need population management and greatly reduced consumption of both energy and resources. But those who discount answers apparently don't have any alternatives to offer. They only seek to discourage discussion and action.

Laurie H. (777)
Thursday June 13, 2013, 6:34 pm
Very happy to hear this positive news!!!! We need to be fossil free & more & more will use solar as costs drop. I could envision all homes being run this way, one day. I see some in our community now. Thanks Brian!!~
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