NRG Energy, Inc. (NRG), is an integrated power company. The Company is engaged in producing, selling and delivering electricity and related products and services in various markets in the United States. The Company's segments include Generation, Retail and Corporate activities. The Generation segment includes generation and international. The Retail segment includes Mass customers and Business Solutions. Its Business Solutions include commercial, industrial and governmental/institutional (C&I) customers, and other distributed and reliability products. The corporate activities segment includes residential solar and electric vehicle services.