Abundance of Solar Energy
The sun is
the source of all forms of energy on all planets in the solar system. Energy
from the (depleting) fossil fuels, from (renewable) biomass, wind, oceans,
hydro and even geo-thermal sources are at the disposal of humankind, since
the Earth was spun-off by the Sun with all its inner and outer energy sources.
The sun radiates about 10'000 times the energy we presently need on Earth,
some of it being reflected back into space, a lot being absorbed by water
surfaces, mountains and clouds, but the irradiation variations are also moving
winds and waves and evaporating water for useful precipitations for the growth
of biomass and the river motions by gravity.
A logic solar
harvesting concept offers all the roof surfaces on Earth, where energy is
needed for heat and electricity, since buildings and their inhabitants consume
about 1/3 of all energy. Even if we assume only one m2 useable roof space
per inhabitant and only 10 % average PV and thermal efficiency, there are
now over 6 Billion m2 or 6 TW (Terawatt, i.e. 6'000 GW) peak power at disposal
at noon, or annually around 6 PWh solar energy in the form of heat and/or
electricity available. This roof program alone would provide 5 % of the world
energy needs - clean, sustainable and eternally available without energy cost,
and providing many more jobs than with the resource intensive conventional
energy can be directly used for hot water production from solar collectors
of different types for different heat levels or be converted into electricity
by different types of concentrator systems. Hybrid solar roof systems or cogeneration
with solar power systems allow the simultaneous production of electricity
and heat. See more details on all direct or indirect solar systems in the
"Blueprint for the Clean, Sustainable Energy Age" -see order instructions
below. Consult also the ISO and IEC standards for solar energy systems.
systems are mass produced like conventional, fossil energy systems, and integrated
into buildings, thus replacing conventional roofs and facades they will become
competitive and even more so if the external cost of polluting systems are
fully taken into account. The solar electricity production can be enhanced
by solar electricity exchange pools with the utilities, which already operate
successfully in several countries.
also systems available for the daily and seasonal storage of solar heat and
cold, combined with heat pumps, which can make buildings practically independent
and pollution-free from conventional energy supplies. The ISEO solar energy
committee is working on some case studies to be presented later on this website.
conditioning will be another important subject treated by ISEO, to be presented
as soon as possible on this website.
example of successfully establishing and enforcing a law for the implementation
of solar thermal roof systems is the
Barcelona case - see web pages about the
Barcelona solar law with a power point presentation on its positive results.
This avenue shall be pursued in all nations and include also the PV integration
in new buildings and building renovations.
More information from
the "Blueprint for the Clean, Sustainable Energy Age" - order form
working groups will add more information.