Archive for July, 2009
Environmentalists have been singing the praises of solar energy for years, and lately the topic has been trending through mainstream news sources as well. Solar is a renewable resource, which makes it infinitely more sustainable than fossil fuels. By harnessing the energy inherent to sunlight, these panels can heat water in an eco-friendly way.
Solar kits are widely available, and they include detailed instructions for how to build solar power for homes. The common elements among all solar kits are solar cells; these devices convert solar energy into electricity to varying degrees of efficiency. Once your solar panels are assembled and place in a cool, sunny place, they can be attached to a battery for energy storage. The battery can then be used to power many electrical devices over and over again.
If you live in a windy area, chances are you’ve noticed some gigantic pieces of machinery dotting the hillside. Wind Turbines with wind renewable energy, collect energy from powerful air currents, much like windmills. The difference lies in the fact that turbines generate mechanical energy, while windmills merely grind grain.
Wind energy is actually generated for a profit on wind farms across the country. The turbines on these farms are connected to a centralized power collection network, and the energy is eventually disseminated at a cost to consumers. Many wind farms support various forms of agriculture, as turbines do nothing to interfere with crop growth.