Greentech Media put out an article about the solar industry on Seeking Alpha.
The chart is consolidating and is creating a nice wedge. There might be an opportunity to put a straddle on at 22 or 21. I would make it at least six months out to give sufficient time protection.
That said, I am still hanging with the call spread I own. I personally think that the sector has a lot of growth ahead of it and it will benefit from both public and private funding.