Delaware vs Pennsylvania electricity prices: 17.15 ¢ against 19.29 ¢ per kWh
27 places apart: Delaware #34, Pennsylvania #7 of 51, the widest of 31 measures. price change since 2015 Delaware +28%, Pennsylvania +41%; petroleum share of generation Delaware 1.3%, Pennsylvania 0.1%. Typical bills differ by $4 a month, higher in Pennsylvania.
Over a year the typical energy bill differs by $49 ($158 a month in Delaware, $162 in Pennsylvania). Since 2015 the home price rose +27.8% in Delaware and +41.4% in Pennsylvania: 13.6 points more in Pennsylvania. Against the U.S. home average Delaware sits at -0.5% and Pennsylvania at +12.0%.
Delaware against Pennsylvania: widest gaps
| Measure | Delaware | Pennsylvania | Gap | Rank (of 51) |
|---|---|---|---|---|
| Price change 2024 to 2025 | +3.5% | +8.6% | -5.1 points | #34 / #7 |
| Price change since 2015 | +28% | +41% | -13.6 points | #34 / #11 |
| Petroleum share of generation | 1.3% | 0.1% | +1.2 points | #6 / #29 |
| Solar output per kW | 1,383 | 1,241 | +142 | #23 / #46 |
| Nuclear share of generation | 0.0% | 30.4% | -30.4 points | #32 / #10 |
| Outage minutes a year, SAIDI | 67 | 130 | -63 | #45 / #24 |
| Major-event outage minutes | 51 | 222 | -171 | #41 / #21 |
| Price change, 2026 to date | +7.1% | +12.1% | -5.0 points | #26 / #8 |
| Clean share with nuclear | 4.2% | 34.3% | -30.1 points | #51 / #34 |
| Hydro share of generation | 0.0% | 1.0% | -1.0 points | #50 / #34 |
31 measures compared for Delaware and Pennsylvania; the CSV holds the 10 widest.
CSVDelaware and Pennsylvania: price over time
Home price, Delaware and Pennsylvania, 2010 to 2025: 16 rows
| Year | Delaware | Pennsylvania | Gap to U.S. |
|---|---|---|---|
| 2010 | 13.80 | 12.70 | +2.26 |
| 2011 | 13.70 | 13.26 | +1.98 |
| 2012 | 13.58 | 12.75 | +1.70 |
| 2013 | 12.95 | 12.79 | +0.82 |
| 2014 | 13.29 | 13.32 | +0.77 |
| 2015 | 13.42 | 13.64 | +0.77 |
| 2016 | 13.42 | 13.86 | +0.87 |
| 2017 | 13.35 | 14.23 | +0.46 |
| 2018 | 12.53 | 13.89 | -0.34 |
| 2019 | 12.55 | 13.80 | -0.46 |
| 2020 | 12.56 | 13.58 | -0.59 |
| 2021 | 12.52 | 13.76 | -1.14 |
| 2022 | 13.71 | 15.94 | -1.33 |
| 2023 | 15.73 | 18.10 | -0.27 |
| 2024 | 16.57 | 17.77 | +0.09 |
| 2025 | 17.15 | 19.29 | -0.08 |
Delaware 13.80 to 17.15 ¢ and Pennsylvania 12.70 to 19.29 ¢ between 2010 and 2025 (EIA).
CSVTypical bill by month, Delaware and Pennsylvania: 12 rows
| Month | Delaware | Pennsylvania |
|---|---|---|
| Jan | 187 | 201 |
| Feb | 171 | 173 |
| Mar | 155 | 150 |
| Apr | 127 | 125 |
| May | 119 | 118 |
| Jun | 155 | 154 |
| Jul | 205 | 211 |
| Aug | 181 | 183 |
| Sep | 152 | 143 |
| Oct | 118 | 133 |
| Nov | 132 | 145 |
| Dec | 192 | 208 |
Monthly typical bill: $118 to $205 in Delaware, $118 to $211 in Pennsylvania.
CSVYour bill in Delaware and in Pennsylvania
Delaware and Pennsylvania on the map
Where Delaware and Pennsylvania are alike
- Home price 2025, ¢/kWh: 17.15 and 19.29
- Typical monthly bill, energy only: $158 and $162
- Business price 2025, ¢/kWh: 12.68 and 12.42
- Industry price 2025, ¢/kWh: 9.62 and 9.34
- Renewable share of generation: 4.2% and 3.9%
Sources and dates: data sources.
Questions
Is Delaware or Pennsylvania higher on price change 2024 to 2025?
Pennsylvania, by 5.1 points; they rank #34 and #7 of 51.
Is Delaware or Pennsylvania higher on price change since 2015?
Pennsylvania, by 13.6 points; they rank #34 and #11 of 51.
Is Delaware or Pennsylvania higher on petroleum share of generation?
Delaware, by 1.2 points; they rank #6 and #29 of 51.
Is Delaware or Pennsylvania higher on solar output per kw?
Delaware, by 142; they rank #23 and #46 of 51.
Is Delaware or Pennsylvania higher on nuclear share of generation?
Pennsylvania, by 30.4 points; they rank #32 and #10 of 51.
What would 874 kWh a month cost in Delaware and in Pennsylvania?
Delaware $150, Pennsylvania $169: $19 apart, energy only.
Where do Delaware and Pennsylvania match most closely?
home price 2025, ¢/kWh (17.15 and 19.29); typical monthly bill, energy only ($158 and $162); business price 2025, ¢/kWh (12.68 and 12.42).