Anil Ambani's energy dreams got a new charge when the power transmission company Power Grid Corporation of India Ltd (PGCIL) signed a joint venture with Reliance Energy worth Rs 800 crore.REL, which is headed by Anil Ambani, holds 74 per cent in Parbati-Koldam power transmission joint venture. The project will carry power from NHPC and NTPC's hydro projects in Himachal Pradesh.