Segment Information The following segment presentation is based on the methodology that management uses for making operating decisions and assessing performance of its various business activities. A reconciliation of the segment presentation to the GAAP financial statements is provided. PNM PNM includes the retail electric utility operations of PNM that are subject to traditional rate regulation by the NMPRC. PNM provides integrated electricity services that include the generation, transmission, and distribution of electricity for retail electric customers in New Mexico. PNM also provides generation service to firm-requirements wholesale customers and sells electricity into the wholesale market, as well as providing transmission services to third parties. The sale of electricity into the wholesale market includes the optimization of PNM s jurisdictional capacity, as well as the capacity from PVNGS Unit 3, which currently is not included in retail rates. FERC has jurisdiction over wholesale and transmission rates. TNMP TNMP is an electric utility providing regulated transmission and distribution services in Texas under the TECA. TNMP s operations are subject to traditional rate regulation by the PUCT. Corporate and Other The Corporate and Other segment includes PNMR holding company activities, primarily related to corporate level debt and PNMR Services Company. The following tables present summarized financial information for PNMR by segment. PNM and TNMP each operate in only one segment. Therefore, tabular segment information is not presented for PNM and TNMP. PNMR SEGMENT INFORMATION PNM TNMP Corporate and Other Consolidated (In thousands) Three Months Ended September 30, 2015 Electric operating revenues $ 333,437 $ 83,996 $   $ 417,433 Cost of energy 105,708 18,547   124,255 Margin 227,729 65,449   293,178 Other operating expenses 104,977 22,766 (3,573 ) 124,170 Depreciation and amortization 29,042 15,016 3,445 47,503 Operating income 93,710 27,667 128 121,505 Interest income 1,152   (1 ) 1,151 Other income (de