The brewers are carrying out an environmental assessment of the site in Riccarton as they plan a major new development. The new brewery was first announced in November last year, but until now its potential location within the city has been a mystery.
For me putting the brewery in Edinburgh, where we first brewed Innis and Gunn, feels like we have come home as a business...Dougal Gunn Sharp, Founder, Innis and Gunn
While the site hasn't been confirmed yet, Heriot Watt has a unique beer research facility called the International Centre for Brewing and Distilling nearby.
Known for their barrel-aged beers, Innis & Gunn want to build a brewery which has a capacity of 400,000 hectolitres.
An Innis & Gunn spokesman said: "We have instructed our agents to submit the request for an initial environmental feasibility study of this potential site. We will make further announcements in due course..."