| Potomac Electric Power Co DC | ||
| RESIDENTIAL | February, 2019 | 14.7¢ |
| RESIDENTIAL | March, 2019 | 12¢ |
| RESIDENTIAL | April, 2019 | 11.3¢ |
| RESIDENTIAL | May, 2019 | 11.2¢ |
| RESIDENTIAL | June, 2019 | 10.3¢ |
| RESIDENTIAL | July, 2019 | 9.8¢ |
| RESIDENTIAL | August, 2019 | 9.5¢ |
| RESIDENTIAL | September, 2019 | 8.8¢ |
| RESIDENTIAL | October, 2019 | 9.9¢ |
| RESIDENTIAL | November, 2019 | 9.7¢ |
| RESIDENTIAL | December, 2019 | 10.5¢ |
| RESIDENTIAL | January, 2020 | 12.3¢ |
| RESIDENTIAL | February, 2020 | 11¢ |
| RESIDENTIAL | March, 2020 | 10.1¢ |
| RESIDENTIAL | April, 2020 | 11.6¢ |
| RESIDENTIAL | May, 2020 | 11.6¢ |
| RESIDENTIAL | June, 2020 | 11.6¢ |
| RESIDENTIAL | July, 2020 | 12.9¢ |
| RESIDENTIAL | August, 2020 | 12.9¢ |
| RESIDENTIAL | September, 2020 | 12.9¢ |
| RESIDENTIAL | October, 2020 | 12.9¢ |
| RESIDENTIAL | November, 2020 | 12.9¢ |
| RESIDENTIAL | December, 2020 | 12.9¢ |
| RESIDENTIAL | January, 2021 | 14.2¢ |
| RESIDENTIAL | February, 2021 | 14.2¢ |
| RESIDENTIAL | March, 2021 | 14.2¢ |
| RESIDENTIAL | April, 2021 | 14.2¢ |
| COMMERCIAL | February, 2019 | 11.3¢ |
| COMMERCIAL | March, 2019 | 9.6¢ |
| COMMERCIAL | April, 2019 | 8.6¢ |
| COMMERCIAL | May, 2019 | 8.7¢ |
| COMMERCIAL | June, 2019 | 8.2¢ |
| COMMERCIAL | July, 2019 | 8.2¢ |
| COMMERCIAL | August, 2019 | 7.8¢ |
| COMMERCIAL | September, 2019 | 7.1¢ |
| COMMERCIAL | September, 2019 | 7.1¢ |
| COMMERCIAL | November, 2019 | 9.2¢ |
| COMMERCIAL | December, 2019 | 9.9¢ |
| COMMERCIAL | January, 2020 | 11.8¢ |
| COMMERCIAL | February, 2020 | 10.4¢ |
| COMMERCIAL | March, 2020 | 9.5¢ |
| COMMERCIAL | April, 2020 | 11.6¢ |
| COMMERCIAL | May, 2020 | 11.6¢ |
| COMMERCIAL | June, 2020 | 11.6¢ |
| COMMERCIAL | July, 2020 | 12.8¢ |
| COMMERCIAL | August, 2020 | 12.8¢ |
| COMMERCIAL | September, 2020 | 12.8¢ |
| COMMERCIAL | October, 2020 | 12.8¢ |
| COMMERCIAL | November, 2020 | 12.8¢ |
| COMMERCIAL | December, 2020 | 12.8¢ |
| COMMERCIAL | January, 2021 | 14.1¢ |
| COMMERCIAL | February, 2021 | 14.1¢ |
| COMMERCIAL | March, 2021 | 14.1¢ |
| COMMERCIAL | April, 2021 | 14.1¢ |