Connecticut vs Rhode Island electricity prices: 29.38 ¢ against 29.46 ¢ per kWh
39 places apart: Connecticut #7, Rhode Island #46 of 51, the widest of 28 measures. CO2 per mwh of generation, lb Connecticut 538, Rhode Island 839; clean share with nuclear Connecticut 41.8%, Rhode Island 11.1%. Typical bills differ by $42 a month, higher in Connecticut.
Over a year the typical energy bill differs by $502 ($207 a month in Connecticut, $166 in Rhode Island). Since 2015 the home price rose +40.3% in Connecticut and +52.7% in Rhode Island: 12.4 points more in Rhode Island. Against the U.S. home average Connecticut sits at +69.8% and Rhode Island at +70.3%.
Where the power in Connecticut and Rhode Island comes from
Fuels with the widest gaps, Connecticut against Rhode Island.
| Fuel | Connecticut | Rhode Island | Gap |
|---|---|---|---|
| Nuclear | 38.2% | 0.0% | 38.2 points, higher in Connecticut |
| Gas | 56.5% | 88.3% | 31.8 points, higher in Rhode Island |
| Solar | 1.5% | 7.1% | 5.6 points, higher in Rhode Island |
| Wind | 0.0% | 2.0% | 1.9 points, higher in Rhode Island |
Connecticut against Rhode Island: widest gaps
| Measure | Connecticut | Rhode Island | Gap | Rank (of 51) |
|---|---|---|---|---|
| Nuclear share of generation | 38.2% | 0.0% | +38.2 points | #7 / #46 |
| CO2 per MWh of generation, lb | 538 | 839 | -301 | #37 / #15 |
| Clean share with nuclear | 41.8% | 11.1% | +30.7 points | #28 / #48 |
| Time-of-use utilities | 33% | 0% | +33.3 points | #34 / #51 |
| Renewable share of generation | 3.6% | 11.1% | -7.4 points | #51 / #38 |
| Average home use, kWh a month | 705 | 562 | +144 | #36 / #48 |
28 measures compared for Connecticut and Rhode Island; the CSV holds the 6 widest.
CSVConnecticut and Rhode Island on the map
Connecticut and Rhode Island: price over time
Home price, Connecticut and Rhode Island, 2010 to 2025: 16 rows
| Year | Connecticut | Rhode Island | Gap to U.S. |
|---|---|---|---|
| 2010 | 19.25 | 15.92 | +7.71 |
| 2011 | 18.11 | 14.33 | +6.39 |
| 2012 | 17.34 | 14.40 | +5.46 |
| 2013 | 17.55 | 15.20 | +5.42 |
| 2014 | 19.75 | 17.17 | +7.23 |
| 2015 | 20.94 | 19.29 | +8.29 |
| 2016 | 20.01 | 18.62 | +7.46 |
| 2017 | 20.29 | 18.32 | +7.40 |
| 2018 | 21.20 | 20.55 | +8.33 |
| 2019 | 21.87 | 21.73 | +8.86 |
| 2020 | 22.71 | 22.01 | +9.56 |
| 2021 | 21.91 | 22.30 | +8.25 |
| 2022 | 24.61 | 23.21 | +9.57 |
| 2023 | 29.88 | 27.02 | +13.88 |
| 2024 | 28.75 | 28.65 | +12.27 |
| 2025 | 29.38 | 29.46 | +12.08 |
Connecticut 19.25 to 29.38 ¢ and Rhode Island 15.92 to 29.46 ¢ between 2010 and 2025 (EIA).
CSVYour bill in Connecticut and in Rhode Island
Where Connecticut and Rhode Island are alike
- Homes on retail supply: 19.7% and 26.0%
- Smart meters, share of homes: 22% and 1%
- Home price 2025, ¢/kWh: 29.38 and 29.46
- Price change, 2026 to date: -7.7% and -1.1%
- Business price 2025, ¢/kWh: 23.11 and 23.46
Sources and dates: data sources.
Questions
Is Connecticut or Rhode Island higher on nuclear share of generation?
Connecticut, by 38.2 points; they rank #7 and #46 of 51.
Is Connecticut or Rhode Island higher on CO2 per mwh of generation?
Rhode Island, by 301; they rank #37 and #15 of 51.
Is Connecticut or Rhode Island higher on clean share with nuclear?
Connecticut, by 30.7 points; they rank #28 and #48 of 51.
Is Connecticut or Rhode Island higher on time-of-use utilities?
Connecticut, by 33.3 points; they rank #34 and #51 of 51.
Is Connecticut or Rhode Island higher on renewable share of generation?
Rhode Island, by 7.4 points; they rank #51 and #38 of 51.
What would 878 kWh a month cost in Connecticut and in Rhode Island?
Connecticut $258, Rhode Island $259: $1 apart, energy only.
Where do Connecticut and Rhode Island match most closely?
homes on retail supply (19.7% and 26.0%); smart meters, share of homes (22% and 1%); home price 2025, ¢/kWh (29.38 and 29.46).