A raft of US firms have taken roles on The Blackstone Group’s $4.7bn (£3bn) acquisition of energy company Dynegy in one of the largest leveraged buyouts of 2010 so far, reports The Am Law Daily.

Simpson Thacher & Bartlett is representing longstanding private equity client Blackstone on the deal, with corporate partner Wilson Neely and energy and infrastructure practice chair David Lieberman leading the firm’s team.