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Oil, Coal and Natural Gas Are Powerless Compared to Geothermal Energy

Science & Tech  (tags: concept, discovery, energy, environment, interesting, investigation, NewTechnology, research, science, study, technology )

- 1704 days ago -
Geothermal energy isn't a new concept. The first geothermal plant was built in 1904 in Larderello, Italy; it is a "steam field" that continues to produce energy today...

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Teresa W (782)
Saturday September 21, 2013, 2:03 am
noted, thank you

David C (25)
Saturday September 21, 2013, 3:35 am
from 1990 to 2008, the average energy use per person increased 10% while world population increased 27% -- main factor in humankind's problems= population+consumption-GROWTH and growth-fetishism and a Ponzi-scheme (totally-UN-economic) ''economy''

Oh, these theoretical comparisons ...
Actually, geothermal is petty compared to solar irradiation, smaller even than what plants 'harvest' ! solar irradiation= 46400 TW (~1/3 of which reaches surface)
gNPP= 2000 EJ/year = 63 TW avg. (~1/4 of which harvested by humans!)
geothermal: flow= 44.2 TW; radioactive.replenishment= 30 TW
humankind's average power consumption = ~ 16 TW (80-90% fossil)
global electricity production = ~2.5 TW ~2010
global oil extraction = ~85 Mbbl/d = ~ 12 Mt/day = ~ 4.3 Gt/y = ~ 0.6 t/human/year; * 40 MJ/kg => ~5.6 TW

David C (25)
Saturday September 21, 2013, 3:36 am
> Geothermal energy isn't a new concept.
Indeed. Not at all new !

" Geothermal energy is one of the great blessings of this planet. " -- Star Trek: The Next Generation; Encounter at Farpoint (1987)

Sue Matheson (79)
Saturday September 21, 2013, 4:55 am

Ruth R (246)
Saturday September 21, 2013, 11:57 am
'The United States currently has 188 geothermal energy projects and cumulative investments of over $3 billion with an additional $7 billion in geothermal projects being added in the U.S. in 2013. Worldwide, geothermal energy production is expected to double by 2015.'
From the article.

. (0)
Saturday September 21, 2013, 12:12 pm
Great article, Frans. Thanks for sharing.

Alan Lambert (91)
Saturday September 21, 2013, 3:04 pm
I'd like to see many more small and medium scale geothermal projects.

Roger G (154)
Saturday September 21, 2013, 4:42 pm
noted, thanks

Winn A (179)
Saturday September 21, 2013, 5:04 pm

DaleLovesOttawa O (198)
Saturday September 21, 2013, 8:15 pm
Fascinating and intriguing. Iceland uses a lot of greenhouses powered by this sort of energy, this means that they don't have to import as many veggies in the cold months.

Kerrie G (116)
Sunday September 22, 2013, 1:34 am
Noted, thanks.

Patricia H. (440)
Sunday September 22, 2013, 1:57 am

Michael O (176)
Sunday September 22, 2013, 12:38 pm
The potential for geothermal energy is huge. However, what most people don't realize is that you don't need to be sitting atop a geologically active part of the Earth, like Iceland, to take advantage of it. Just a few meters below the Earth's surface, the soil temperature remains a relatively constant 10C. All you need to do is embed some pipes in the ground to exchange heat (from the soil to the surface during the cold winter months, or from the surface to the soil for cooling purposes during the hot summer months).

Moving heat around from one location to another is a lot more efficient than just generating that heat from scratch.

Kathleen R (138)
Monday September 23, 2013, 8:12 am
noted & read

Bob hardly here P (394)
Tuesday September 24, 2013, 1:34 pm
thanks Frans

Past Member (0)
Tuesday September 24, 2013, 5:43 pm

Melania P (122)
Friday September 27, 2013, 6:08 pm
So sad! Why don't we use geothermal energy!!! We use disgusting fossil fuels when we can do so much better!
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