The following is a guest post from the North Carolina Solar Center, which includes the Database of State Incentives for Renewables & Efficiency (DSIRE). I write this article as someone (1) who could not be more interested in how the different state solar renewable energy credit (SREC) trading markets are structured and how they operate, and (2) who as recently as a couple of years ago felt SREC trading markets represented a real breakthrough for incentivizing solar. Notwithstanding the title of this guest post, hopefully that little introduction establishes my credentials as a stud...