It could be very risky and unreliable in states where the weather, like Illinois, is constantly changing and rains often. If the weather is still bad, it will just be a waste of money for the consumer, as it becomes a waste of money as well as a waste of energy. This energy contributes a lot to an average household, such as cooking, laundry, etc. Without it, many basic necessities will be lost. Costs are also a very real factor in this process, as a complete system for a home costs on average around $10,000. That's a lot of money that a lot of people don't have