I think the biggest barrier to all renewable energies--and it's no different for us--is that you have an upfront investment for a long-term payoff. The length of the term of that payoff is gradually shrinking as the technology gets better and costs come down. And as the cost of conventional energy goes up, that payoff goes down. Without a doubt, it's very clear from studies all over the world that incentives provided by governments to help with that upfront cost produce the long-term payoff. So that's one place.
Second, there are a lot of regulatory challenges in the whole solar space. We're putting things on the roofs of buildings, and all the regulations and building codes and stuff you have to go through are complicated and mind-boggling. They're a serious barrier to the adoption of the technology.
There is a third area where government could help as well, I think. Large-scale systems in particular will be self-financeable. In other words, we can produce energy at less than the cost of grid energy today, but there's a capital cost that needs to be spent upfront in order to get those savings. There's enough of a gap to be able to produce a 10% to 14% return on investment, but the financing mechanisms to drive that are not in place at the moment. The financial institutions like banks don't know how to do that. If there were a way for governments to be able to help stabilize the financing of large projects, I think you'd see very large projects without really having to spend dollars. It could be a way to incentivize the industry.