One Trillion dollars is the price of buying out the latest incarnation of the Great Depression, according to the Bush Administration. The reason that solar panels are as expensive as they are is because they can not use economies of scale. If there was a large order for solar panels, we would see a reduction in price. We could spend 10 billion dollars on solar panels to make every federal building more self-sufficient. It'd be an investment for the future, and it'd give the industry a huge kickstart.