The cost of a solar system is not that easy to understand. You don't just go out and buy a system with cash, usually, and say that's it, I'm done. Normaly the costs are spread out over a much longer time period with low interest rates to help with the whole investment. Yorba Linda has a number of solar companies and options for you to choose from to help finance your system over the lifespan.
For more videos see: Yorba Linda Solar Playlist