Exelon Corp. operates as a utility services holding company, which engages in the energy generation, power marketing, and energy delivery business. It operates through the following segments: Mid Atlantic, Midwest, New York, Electric Reliability Council of Texas (ERCOT) and other Power Regions. The Mid-Atlantic segment represents operations in the eastern half of PJM, which includes New Jersey, Maryland, Virginia, West Virginia, Delaware, the District of Columbia and parts of Pennsylvania and North Carolina. The Midwest segment operates in the western half of PJM, which includes portions of Illinois, Pennsylvania, Indiana, Ohio, Michigan, Kentucky and Tennessee, and the United States footprint of MISO, excluding MISO's Southern Region, which covers all or most of North Dakota, South Dakota, Nebraska, Minnesota, Iowa, Wisconsin, the remaining parts of Illinois, Indiana, Michigan and Ohio not covered by PJM, and parts of Montana, Missouri and Kentucky. The New York (NY) segment provides operations within ISO–NY, which covers the state of New York in its entirety. The ERCOT segment includes operations within Electric Reliability Council of Texas, covering most of the state of Texas. The Other Power Regions consists of the operations in New England, South, West, and Canada. The company was founded in February 1999 and is headquartered in Chicago, IL.
Generation’s Results of Operations includes discussion of RNF, which is a financial measure not defined under GAAP and may not be comparable to other companies' presentations or deemed more useful than the GAAP information provided elsewhere in this report. The CODMs for Exelon and Generation evaluate the performance of Generation's electric business activities and allocate resources based on RNF. Generation believes that RNF is a useful measure because it provides information that can be used to evaluate its operational performance.
Three Months Ended June 30, 2020 Compared to Three Months Ended June 30, 2019. Net income attributable to membership interest increased $368 million by primarily due to:
Six Months Ended June 30, 2020 Compared to Six Months Ended June 30, 2019. Net income attributable to membership interest increased $49 million by primarily due to: