What the the different sources of Alternative Energy

By Peter Roberts

If we say that alternative energy comprises everything that's not based on fossil fuel use, the quantity of optional resources is impressive. This chapter will provide an overview only of the ones in use or development now, with each being further explored in successive chapters.

Solar

There are two kinds of solar energy : passive and active. The previous involves simply making use of the position, duration, and power of the sun's rays to best advantage, using it to heat an area or prompt air flow from one area to another, without the employment of extra technology beyond what's wanted to store the energy.
Wind

It has fueled many a sailing ship and made possible the exploration of and trade with distant lands. These days , however , almost all of the discussions concerning wind energy involve not one or two windmills devoted to a specific consumer but many , many turbines organized to capture huge quantity of power at once and feed it to the grid.
Biomass/Biofuel

Biomass power generation involves converting biological material or wastes into substances that can be used as fuel for heating, transport or power generation.

Hydrogen & Electric


Hydrogen isn't, in fact, an alternative producer of energy. Rather it is a means for storing energy produced by other methods and is thus considered by many to be a safer, less complicated and more efficient way to deliver energy. Since weaning ourselves from a steady diet of fossil fuels will involve many direct and indirect changes in the ways in which we think about and do things, we include it here, together with dialogue of storage and transmission in general, and a vital part of energy planning. Likewise, electricity is not an energy producer but a form in which energy can be stored and delivered.
Nuclear

Nuclear power creates energy when its atomic structure changes. Nuclear fusion involves the opposite-combining elements-for the same purpose. While fusion has huge potential for energy production, the technology does not yet exist to instigate a controlled fusion reaction.

Ocean and Earth Power


The Earth itself offers many promising power sources. Tidal power involves capturing the kinetic energy of the inbound and outgoing tides, as well as the local difference between high tide and low tide. They come in two basic forms : geothermal ( see above ) and air-source. Geothermal heat pumps use the ground temperature, and are forty to 60 p.c better than air source heat pumps, which use the temperature difference between the indoor and outdoor air for heating and cooling. There also are systems for ocean thermal conversion. Therefore considering alternative energy is a must!

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