Exhibit 99.1 Public Service Company of New Mexico And Subsidiaries Comparative Operating Statistics Month Ended Seven Months Ended July 30, July 30, ------------------- ------------------ 2000 1999 2000 1999 ------ ------ ------ ------ Electric Service: Energy Sales - MWh (in thousands) Retail ............................. 671 646 4,048 3,906 Wholesale Firm Sales ..................... 1 16 96 104 Firm Surplus ................... 139 86 705 560 Short Term / Uncommitted ....... 927 1,052 6,576 5,130 ------ ------ ------ ------ Total Wholesale Sales .......... 1,067 1,154 7,377 5,794 ------ ------ ------ ------ Total Energy Sales ............ 1,738 1,800 11,425 9,700 ====== ====== ====== ====== Weather: Heating and Cooling Days - Albuquerque, NM The heating degree day value (HDD) is the accumulation in degrees that the daily mean temperature was below 65 F. The cooling degree day value (CDD) is the accumulation in degrees that the daily mean temperature was above 65 F. HDD ................ 0 0 2,054 2,198 ===== ===== ===== ===== CDD ................ 457 367 1,024 678 ===== ===== ===== =====