Sainbury said he had new plans "brewing" - but they did not include making wine next door to Hawkesby.
"I'm not going to be setting up a vineyard on Waiheke," he laughed.
Bill Ralston, who was TVNZ news boss from 2003 to 2007, said if Sainsbury isn't happy with the package, the door may be open for him to pursue legal action should he wish to.
"TVNZ failed to support him on a number of occasions when comments were made in the press about him," Ralston said.
Sainsbury said there was no "bad blood" between himself and TVNZ.
"This is not the end of the world. There are 400 people at Solid Energy who have lost their jobs and don't know what they are going to do. I have options so you have to keep it in perspective."