| Narragansett Electric a National Grid Co. | ||
| RESIDENTIAL | December, 2020 | 16¢ |
| RESIDENTIAL | January, 2021 | 16¢ |
| RESIDENTIAL | February, 2021 | 12.6¢ |
| RESIDENTIAL | March, 2021 | 15.8¢ |
| RESIDENTIAL | April, 2021 | 15.8¢ |
| RESIDENTIAL | May, 2021 | 14.5¢ |
| RESIDENTIAL | June, 2021 | 13.7¢ |
| RESIDENTIAL | July, 2021 | 13.7¢ |
| RESIDENTIAL | August, 2021 | 13.7¢ |
| RESIDENTIAL | September, 2021 | 14.8¢ |
| RESIDENTIAL | October, 2021 | 15.9¢ |
| RESIDENTIAL | November, 2021 | 17.6¢ |
| RESIDENTIAL | December, 2021 | 24.3¢ |
| RESIDENTIAL | January, 2022 | 26.4¢ |
| RESIDENTIAL | February, 2022 | 24.8¢ |
| RESIDENTIAL | March, 2022 | 22.4¢ |
| RESIDENTIAL | April, 2022 | 18.1¢ |
| RESIDENTIAL | May, 2022 | 18.1¢ |
| RESIDENTIAL | June, 2022 | 17.4¢ |
| RESIDENTIAL | July, 2022 | 19.9¢ |
| RESIDENTIAL | August, 2022 | 19.9¢ |
| RESIDENTIAL | September, 2022 | 18¢ |
| RESIDENTIAL | October, 2022 | 19.9¢ |
| RESIDENTIAL | November, 2022 | 19.9¢ |
| RESIDENTIAL | December, 2022 | 31.5¢ |
| COMMERCIAL | December, 2020 | 16.6¢ |
| COMMERCIAL | January, 2021 | 16.6¢ |
| COMMERCIAL | February, 2021 | 13.2¢ |
| COMMERCIAL | March, 2021 | 16.4¢ |
| COMMERCIAL | April, 2021 | 16.4¢ |
| COMMERCIAL | May, 2021 | 15.1¢ |
| COMMERCIAL | June, 2021 | 14.3¢ |
| COMMERCIAL | July, 2021 | 14.3¢ |
| COMMERCIAL | August, 2021 | 14.3¢ |
| COMMERCIAL | September, 2021 | 15.4¢ |
| COMMERCIAL | October, 2021 | 16.5¢ |
| COMMERCIAL | November, 2021 | 18.3¢ |
| COMMERCIAL | December, 2021 | 25.3¢ |
| COMMERCIAL | January, 2022 | 26.6¢ |
| COMMERCIAL | February, 2022 | 24.8¢ |
| COMMERCIAL | March, 2022 | 23.3¢ |
| COMMERCIAL | April, 2022 | 17.1¢ |
| COMMERCIAL | May, 2022 | 17.1¢ |
| COMMERCIAL | June, 2022 | 17.1¢ |
| COMMERCIAL | July, 2022 | 19.6¢ |
| COMMERCIAL | August, 2022 | 19.9¢ |
| COMMERCIAL | September, 2022 | 17.8¢ |
| COMMERCIAL | October, 2022 | 19.5¢ |
| COMMERCIAL | November, 2022 | 19.9¢ |
| COMMERCIAL | December, 2022 | 32¢ |