Well I just posted my 2014 S on Craigslist for sale (and here). I just took a 50k cut in pay to do work I am more excited about... so something has to go; also, with a 100 mile range, I can just barely get to the fun roads around here, I am dead center in the Sacramento valley and all the fun roads are in the hills, out of range.
What I find interesting is that KBB lists my year model as $10,375 without the power tank, I have listed it as $8800 with the power tank, and although it's been posted only 2 days, I have gotten zero responses. But really that's not surprising; at this price range I imagine it is just waiting to find the right buyer. But if I can sell it for something close to my asking price, I'll be happy. Does my price seem reasonable? All in all, I do not regret buying the bike, and will recoup enough hopefully to have a few K to buy a track bike or something fun.
I think your price is reasonable - the problem with advertising electrics on Craigslist and boards most guys are deathly afraid of electric. I'm pretty much where you are, I have a 2017 DSR and live in N Georgia, so like you I'm very limited where I can go so I decided to let her go. I called all the Zero dealers in Georgia and the most they have offered is $12K. I have close to $19K in mine with the extras I added.