On the grid

Alabama Winter Crops for Urban Living – Birmingham Alabama

Birmingham and the southern part of Alabama are rated Zone 7b-8 by the United States Department of Agriculture although I will be focusing more on what can be grown in Birmingham. This means that the lowest winter temperatures do not dip below 10 degrees F. very often. Birmingham Alabama’s mild winters are warm enough that …

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5kW ON-GRID Vertical Axis Wind Turbine – Complete System

5kW Grid-tied complete system featuring a vertical axis wind turbine  Reliable, affordable, independent, clean electricity with zero greenhouse gas emissions! Wind energy can be converted to electricity easily and cleanly with vertical axis wind turbines. With today’s rising gas and oil prices driving electricity costs higher and higher, it makes sense to harvest the wind …

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Urban Green Energy – Custom wind turbine solutions

 At Urban Green Energy’s website one can find the “Build your own wind turbine” tool where you really can design your own setup.  Grid tie vs battery backup,  tower size,  color of the turbine, etc.  Who knew that one company could bring it all together in a simple yet effective starting block for the consumer …

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Amorphous Silicon

Amorphous Silicon Amorphous silicon cells are composed of silicon atoms in a thin homogenous layer rather than a crystal structure. Amorphous silicon absorbs light more effectively than crystalline silicon, so the cells can be thinner. For this reason, amorphous silicon is also known as a “thin film” PV technology. Amorphous silicon can be deposited on …

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Thick-film Silicon

Thick-film Silicon Another multicrystalline technology where the silicon is deposited in a continuous process onto a base material giving a fine grained, sparkling appearance. Like all crystalline PV, this is encapsulated in a transparent insulating polymer with a tempered glass cover and usually bound into a strong aluminium frame.