Five years of energy prices, fuel mix, and air quality data for Connecticut. Use these links if you need to save money on energy bills:
| 2021-04 | 2021-05 | 2021-06 | 2021-07 | 2021-08 | 2021-09 | 2021-10 | 2021-11 | 2021-12 | 2022-01 | 2022-02 | 2022-03 | 2022-04 | 2022-05 | 2022-06 | 2022-07 | 2022-08 | 2022-09 | 2022-10 | 2022-11 | 2022-12 | 2023-01 | 2023-02 | 2023-03 | 2023-04 | 2023-05 | 2023-06 | 2023-07 | 2023-08 | 2023-09 | 2023-10 | 2023-11 | 2023-12 | 2024-01 | 2024-02 | 2024-03 | 2024-04 | 2024-05 | 2024-06 | 2024-07 | 2024-08 | 2024-09 | 2024-10 | 2024-11 | 2024-12 | 2025-01 | 2025-02 | 2025-03 | 2025-04 | 2025-05 | 2025-06 | 2025-07 | 2025-08 | 2025-09 | 2025-10 | 2025-11 | 2025-12 | 2026-01 | 2026-02 | 2026-03 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| $0.24 | $0.22 | $0.21 | $0.22 | $0.21 | $0.22 | $0.23 | $0.21 | $0.21 | $0.22 | $0.26 | $0.26 | $0.27 | $0.25 | $0.25 | $0.19 | $0.27 | $0.29 | $0.25 | $0.24 | $0.23 | $0.30 | $0.34 | $0.33 | $0.34 | $0.31 | $0.32 | $0.27 | $0.28 | $0.29 | $0.29 | $0.27 | $0.27 | $0.27 | $0.30 | $0.29 | $0.30 | $0.27 | $0.26 | $0.28 | $0.30 | $0.33 | $0.30 | $0.29 | $0.28 | $0.30 | $0.33 | $0.33 | $0.32 | $0.32 | $0.27 | $0.28 | $0.30 | $0.30 | $0.28 | $0.27 | $0.25 | $0.28 | no data available | no data available |
| 2021-04 | 2021-05 | 2021-06 | 2021-07 | 2021-08 | 2021-09 | 2021-10 | 2021-11 | 2021-12 | 2022-01 | 2022-02 | 2022-03 | 2022-04 | 2022-05 | 2022-06 | 2022-07 | 2022-08 | 2022-09 | 2022-10 | 2022-11 | 2022-12 | 2023-01 | 2023-02 | 2023-03 | 2023-04 | 2023-05 | 2023-06 | 2023-07 | 2023-08 | 2023-09 | 2023-10 | 2023-11 | 2023-12 | 2024-01 | 2024-02 | 2024-03 | 2024-04 | 2024-05 | 2024-06 | 2024-07 | 2024-08 | 2024-09 | 2024-10 | 2024-11 | 2024-12 | 2025-01 | 2025-02 | 2025-03 | 2025-04 | 2025-05 | 2025-06 | 2025-07 | 2025-08 | 2025-09 | 2025-10 | 2025-11 | 2025-12 | 2026-01 | 2026-02 | 2026-03 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| $1.52 | $1.75 | $2.11 | $2.32 | $2.74 | $2.50 | $2.22 | $1.62 | $1.59 | $1.47 | $1.50 | $1.57 | $1.70 | $2.01 | $2.54 | $2.76 | $3.05 | $2.79 | $2.20 | $1.94 | $1.81 | $1.88 | $1.72 | $1.76 | $1.87 | $2.13 | $2.31 | $2.46 | $2.51 | $2.59 | $1.99 | $1.52 | $1.48 | $1.39 | $1.47 | $1.57 | $1.57 | $1.86 | $2.31 | $2.48 | $2.56 | $2.50 | $2.04 | $1.62 | $1.43 | $1.38 | $1.55 | $1.64 | $1.62 | no data available | $2.13 | $2.55 | $2.38 | $2.59 | no data available | $1.57 | $1.56 | no data available | no data available | no data available |
| 2021-04 | 2021-05 | 2021-06 | 2021-07 | 2021-08 | 2021-09 | 2021-10 | 2021-11 | 2021-12 | 2022-01 | 2022-02 | 2022-03 | 2022-04 | 2022-05 | 2022-06 | 2022-07 | 2022-08 | 2022-09 | 2022-10 | 2022-11 | 2022-12 | 2023-01 | 2023-02 | 2023-03 | 2023-04 | 2023-05 | 2023-06 | 2023-07 | 2023-08 | 2023-09 | 2023-10 | 2023-11 | 2023-12 | 2024-01 | 2024-02 | 2024-03 | 2024-04 | 2024-05 | 2024-06 | 2024-07 | 2024-08 | 2024-09 | 2024-10 | 2024-11 | 2024-12 | 2025-01 | 2025-02 | 2025-03 | 2025-04 | 2025-05 | 2025-06 | 2025-07 | 2025-08 | 2025-09 | 2025-10 | 2025-11 | 2025-12 | 2026-01 | 2026-02 | 2026-03 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| no data available | no data available | no data available | no data available | no data available | no data available | $3.63 | $3.61 | $3.57 | $3.76 | $3.93 | $4.22 | no data available | no data available | no data available | no data available | no data available | no data available | $3.70 | $3.71 | $3.69 | $3.86 | $3.80 | $3.79 | no data available | no data available | no data available | no data available | no data available | no data available | $3.68 | $3.57 | $3.61 | $3.79 | $3.83 | $3.81 | $3.80 | $3.56 | $3.55 | $3.61 | $3.60 | $3.59 | $3.67 | $3.80 | $3.81 | $4.01 | $4.18 | $4.13 | $4.00 | $3.86 | no data available | no data available | no data available | no data available | $3.71 | $3.73 | $3.79 | $3.80 | $3.94 | $4.12 |
| 2021-04 | 2021-05 | 2021-06 | 2021-07 | 2021-08 | 2021-09 | 2021-10 | 2021-11 | 2021-12 | 2022-01 | 2022-02 | 2022-03 | 2022-04 | 2022-05 | 2022-06 | 2022-07 | 2022-08 | 2022-09 | 2022-10 | 2022-11 | 2022-12 | 2023-01 | 2023-02 | 2023-03 | 2023-04 | 2023-05 | 2023-06 | 2023-07 | 2023-08 | 2023-09 | 2023-10 | 2023-11 | 2023-12 | 2024-01 | 2024-02 | 2024-03 | 2024-04 | 2024-05 | 2024-06 | 2024-07 | 2024-08 | 2024-09 | 2024-10 | 2024-11 | 2024-12 | 2025-01 | 2025-02 | 2025-03 | 2025-04 | 2025-05 | 2025-06 | 2025-07 | 2025-08 | 2025-09 | 2025-10 | 2025-11 | 2025-12 | 2026-01 | 2026-02 | 2026-03 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| no data available | no data available | no data available | no data available | no data available | no data available | $3.41 | $3.30 | $3.30 | $3.79 | $4.03 | $5.07 | no data available | no data available | no data available | no data available | no data available | no data available | $5.92 | $4.93 | $4.56 | $4.57 | $4.06 | $3.92 | no data available | no data available | no data available | no data available | no data available | no data available | $4.13 | $4.05 | $3.86 | $3.97 | $3.98 | $3.87 | $3.86 | $3.62 | $3.44 | $3.53 | $3.37 | $3.24 | $3.28 | $3.35 | $3.47 | $3.87 | $3.85 | $3.49 | $3.38 | $3.25 | no data available | no data available | no data available | no data available | $3.53 | $3.73 | $3.50 | $3.87 | $4.08 | $5.55 |
| Coal % | Natural Gas % | Nuclear % | Hydro % | Wind % | Solar % | Biomass % | CO2 (g/kWh) |
|---|---|---|---|---|---|---|---|
| 0.0 | 61.4 | 33.6 | 1.2 | 0.0 | 1.0 | 1.5 | 538 |
Electricity generation fuel mix percentages and CO2 emissions rates for Connecticut from the EPA's eGRID database.
Current Air Quality Index (AQI) values for Connecticut. AQI ranges from 0–500+, with higher values indicating worse air quality.
| % Good days | 90th percentile AQI | Dominant Pollutant | % of days unhealthy for sensitive groups | Worst county | Coverage % |
|---|---|---|---|---|---|
| 81 | 58.7 | Ozone | 2.5 | Fairfield | 100 |