We show the details of regulatory assets and liabilities in the following table. | | | | | | | | | REGULATORY ASSETS (LIABILITIES) | (Dollars in millions) | | September 30, 2019 | | December 31, 2018 | | | SDG&E: | | | | Fixed-price contracts and other derivatives | $ | (136 | ) | | $ | (150 | ) | Deferred income taxes refundable in rates | (118 | ) | | (236 | ) | Pension and other postretirement benefit plan obligations | 186 |
| | 186 |
| Removal obligations | (1,999 | ) | | (1,848 | ) | Environmental costs | 26 |
| | 28 |
| Sunrise Powerlink fire mitigation | 120 |
| | 120 |
| Regulatory balancing accounts(1) | | | | Commodity – electric | 142 |
| | (8 | ) | Gas transportation | 17 |
| | 45 |
| Safety and reliability | 76 |
| | 70 |
| Public purpose programs | (117 | ) | | (62 | ) | 2019 GRC retroactive impacts | 81 |
| | — |
| Other balancing accounts | 46 |
| | 145 |
| Other regulatory liabilities, net(2) | (152 | ) | | (170 | ) | Total SDG&E | (1,828 | ) | | (1,880 | ) | SoCalGas: | |
| | |
| Pension and other postretirement benefit plan obligations | 452 |
| | 470 |
| Employee benefit costs | 49 |
| | 49 |
| Removal obligations | (754 | ) | | (833 | ) | Deferred income taxes refundable in rates | (214 | ) | | (336 | ) | Environmental costs | 28 |
| | 28 |
| Regulatory balancing accounts(1) | | | | Commodity – gas, including transportation | (85 | ) | | 196 |
| Safety and reliability | 310 |
| | 332 |
| Public purpose programs | (329 | ) | | (325 | ) | 2019 GRC retroactive impacts | 286 |
| | — |
| Other balancing accounts | (30 | ) | | (68 | ) | Other regulatory liabilities, net(2) | (115 | ) | | (114 | ) | Total SoCalGas | (402 | ) | | (601 | ) | Sempra Mexico: | | | | Deferred income taxes recoverable in rates | 81 |
| | 81 |
| Other regulatory assets | 6 |
| | 6 |
| Total Sempra Energy Consolidated | $ | (2,143 | ) | | $ | (2,394 | ) |
| | (1) | At September 30, 2019 and December 31, 2018, the noncurrent portion of regulatory balancing accounts – net undercollected for SDG&E was $117 million and $78 million, respectively, and for SoCalGas was $475 million and $185 million, respectively. |
(2) Includes regulatory assets earning a rate of return.
|