There are several practical benefits of renewable energy. The first is that once the initial investment is made, and moreover low cost for energy after that. For example, renewable energy systems often last longer than the lifetime of the individual A typical example would be heat pump air conditioners. The biomethane equipment supporting article will continue through 2013 but provide next year ’ s version in 2014 with some minor modifications afterwards. Second, these systems provide reliable electric power sources-which compensate for the electricity shortages during summer daylight conditions-produced by large-scale generators on a complaint basis with cascading blackouts occurring above elevations of several hundred feet. Renewable energy systems can also assist against increasing cost of energy by fixing energy prices. Third, renewable energy systems are good for the environment. They produce far fewer greenhouse gases than traditional sources of power, and they reduce our reliance on fossil fuels which has both local and global benefits. This is a major contribution to fighting global warming and pollution. Moreover many governments will offer financial incentives such as tax credits and rebates for installing renewable energy systems. Lastly, these systems can increase property value and make a home or business more marketable.