Nickel Asia Corp. (NAC) is expanding its renewable power footprint with plans to build an additional 374 megawatt-peaks of solar projects, following its unit rebranding aimed at broadening the mining company’s push into clean energy.In a statement on Friday, Aug. 7, NAC announced that the listed nickel producer transformed its energy subsidiary, formerly known as Emerging Power Inc., into NAC Energy Inc. to align the unit with the parent firm.Th…