$NRG Energy, Inc.(NRG)$ 8-K - Current report Filed: 2017-12-08 AccNo: 0001104659-17-072529 Size: 1 MBItem 1.01: Entry into a Material Definitive AgreementItem 2.03: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a RegistrantItem 9.01: Financial S 网页链接