AYALA-LED AC Energy, Inc. (AC Energy) upsized its senior green bonds offering under its $1-billion medium-term note program by $60 million, expecting it to boost its clean energy investments amid a grueling business environment. In a stock exchange disclosure on Thursday, parent Ayala Corp. said the latest five-year bonds with a coupon of 4.75% annually, which were issued via private placement, bring the energy company’s total dollar bonds issuance to $470 million.