No, she is not currently in solitary confinement. She recently served a week of in solitary confinement beginning on October 4, 2016, as punishment for her July 5, 2016, suicide attempt.
At that time her friends, lawyers and family were worried about her because no one was given any notice ahead of time that she would be placed into solitary. As a result, she was out of contact, with no warning, for days. She was taken directly into solitary confinement upon receiving official notice of her sentence from the prison disciplinary body.
Chelsea may again be placed in solitary confinement as punishment for her suicide attempt from her last bout in solitary, thus continuing a vicious and deadly cycle of desperation and punishment.