This could prove very risky and unreliable in states where the weather, like Illinois, changes constantly and often rains. If the weather is always bad, this will only be a waste of money for the consumer, because it will result in a loss of money as well as energy. This energy provides a lot to an average family, such as cooking, laundry, etc. Without it, therefore, many basic necessities would be lost. Cost is also a very important factor in this process, because the entire system for a house costs about $10,000 on average. That's a lot of money that a lot of people don't have