|
Table 2: Overview of the world-wide
energy sources without consideration of utilization efficiencies
or technical readiness
(Penner, 1998); all data converted to units
of erg or erg/year; note that the figures in the table are to be
multiplied by
1021
|
Energy Source |
Total available energy or
energy per year (x1021) |
|
Worlwide
fossil-fuel resources (oil, natural gas, coal, shale oil, oil
from tar sands, etc.) |
20,000,000,000 ergs |
|
Hydrotermal
energy stored to depth of 10 k worldwide (this supply is
partially renewable) |
400,000,000 ergs |
|
Hydrothermal
energy stored to a depth of 3 km worldwide |
80,000,000 ergs |
|
Hydroelectric
energy worldwide |
900,000
ergs/year |
|
Worldwide wind
energy |
20,000,000,000
ergs/year |
|
Geothermal
energy (outward flow of heat from the earth’s core) |
8,000,000
ergs/year |
|
Worldwide
uranium used in water-moderated fission reactors |
20,000,000 ergs |
|
Solar energy
at the outer boundary of earths atmosphere |
50,000,000,000 ergs/year |
|
Tidal energy |
1,000,000 ergs/year |
|
Fusion energy
from Li-6 in 1.5*1018 m3 of water |
2,000,000,000 ergs |
|
Fusion energy
from 1.5*1018m3 water |
100,000,000,000,000,000 ergs |
|
Breeder
reactors (including the use of thorium and U-233) |
400,000,000,000 ergs |
|
1995
Commercial, worldwide energy use |
4,000,000 ergs/year |
|
Stabilized
ultimate worldwide energy demand with conservationfor 10*109
people |
20,000,000 ergs/year |
|
Turkey
fossil-fuel resources |
17,000,000 ergs |
|
UK fossil-fuel
resources |
69,000,000 ergs |
|
Us fossil-fuel
resources |
1,000,000,000 ergs |
|
Hydroelectric
energy Turkey |
7.78
ergs/year |
|
Hydroelectric
energy UK |
1.3 ergs/year |
|
Hydroelectric
energy US |
13.5 ergs/year |
|
