How much does it cost to run a dishwasher?
The same dishwasher costs $97 a year in Hawaii (40.40 ¢ per kWh) and $28 in North Dakota (11.82 ¢), a gap of $68 or 3.4 times. Model range at 17.23 ¢: $37.91 to $41.35 a year (761 listed).
Map
- $28.25 to $31.60
- $31.60 to $35.49
- $35.49 to $38.46
- $38.46 to $54.47
- $54.47 to $96.56
Darker = costlier to run dishwasher. Click a state for its hub.
Your numbers
All 51 states
| 1 | Hawaii | 40.40 | $96.56 | $88.88 | $96.96 | $8.05 | 150 |
|---|---|---|---|---|---|---|---|
| 2 | California | 31.35 | $74.93 | $68.97 | $75.24 | $6.24 | 43 |
| 3 | Massachusetts | 30.41 | $72.68 | $66.90 | $72.98 | $6.06 | 89 |
| 4 | Rhode Island | 29.48 | $70.46 | $64.86 | $70.75 | $5.87 | 91 |
| 5 | Connecticut | 29.31 | $70.05 | $64.48 | $70.34 | $5.84 | 58 |
| 6 | Maine | 27.69 | $66.18 | $60.92 | $66.46 | $5.51 | 34 |
| 7 | New York | 26.39 | $63.07 | $58.06 | $63.34 | $5.26 | 50 |
| 8 | Alaska | 26.11 | $62.40 | $57.44 | $62.66 | $5.20 | 88 |
| 9 | New Hampshire | 24.53 | $58.63 | $53.97 | $58.87 | $4.89 | 30 |
| 10 | Vermont | 22.79 | $54.47 | $50.14 | $54.70 | $4.54 | 5 |
| 11 | New Jersey | 22.48 | $53.73 | $49.46 | $53.95 | $4.48 | 51 |
| 12 | District of Columbia | 21.92 | $52.39 | $48.22 | $52.61 | $4.37 | 43 |
| 13 | Michigan | 20.03 | $47.87 | $44.07 | $48.07 | $3.99 | 86 |
| 14 | Maryland | 19.53 | $46.68 | $42.97 | $46.87 | $3.89 | 56 |
| 15 | Pennsylvania | 19.29 | $46.10 | $42.44 | $46.30 | $3.84 | 70 |
| 16 | Wisconsin | 18.08 | $43.21 | $39.78 | $43.39 | $3.60 | 125 |
| 17 | Illinois | 17.67 | $42.23 | $38.87 | $42.41 | $3.52 | 51 |
| 18 | Delaware | 17.15 | $40.99 | $37.73 | $41.16 | $3.42 | 76 |
| 19 | Ohio | 16.90 | $40.39 | $37.18 | $40.56 | $3.37 | 115 |
| 20 | Alabama | 16.09 | $38.46 | $35.40 | $38.62 | $3.20 | 77 |
| 21 | Indiana | 15.96 | $38.14 | $35.11 | $38.30 | $3.18 | 158 |
| 22 | Minnesota | 15.83 | $37.83 | $34.83 | $37.99 | $3.15 | 81 |
| 23 | Colorado | 15.69 | $37.50 | $34.52 | $37.66 | $3.12 | 118 |
| 24 | Oregon | 15.46 | $36.95 | $34.01 | $37.10 | $3.08 | 39 |
| 25 | Texas | 15.40 | $36.81 | $33.88 | $36.96 | $3.07 | 83 |
| 26 | West Virginia | 15.39 | $36.78 | $33.86 | $36.94 | $3.07 | 212 |
| 27 | Virginia | 15.28 | $36.52 | $33.62 | $36.67 | $3.04 | 58 |
| 28 | Arizona | 15.26 | $36.47 | $33.57 | $36.62 | $3.04 | 74 |
| 29 | Florida | 15.21 | $36.35 | $33.46 | $36.50 | $3.03 | 85 |
| 30 | South Carolina | 15.12 | $36.14 | $33.26 | $36.29 | $3.01 | 60 |
| 31 | New Mexico | 14.85 | $35.49 | $32.67 | $35.64 | $2.96 | 84 |
| 32 | Georgia | 14.74 | $35.23 | $32.43 | $35.38 | $2.94 | 77 |
| 33 | Kansas | 14.44 | $34.51 | $31.77 | $34.66 | $2.88 | 79 |
| 34 | Mississippi | 14.03 | $33.53 | $30.87 | $33.67 | $2.79 | 90 |
| 35 | North Carolina | 14.00 | $33.46 | $30.80 | $33.60 | $2.79 | 68 |
| 36 | Iowa | 13.62 | $32.55 | $29.96 | $32.69 | $2.71 | 68 |
| 37 | Wyoming | 13.37 | $31.95 | $29.41 | $32.09 | $2.66 | 197 |
| 38 | South Dakota | 13.32 | $31.83 | $29.30 | $31.97 | $2.65 | 36 |
| 39 | Missouri | 13.30 | $31.79 | $29.26 | $31.92 | $2.65 | 157 |
| 40 | Nevada | 13.26 | $31.69 | $29.17 | $31.82 | $2.64 | 70 |
| 41 | Tennessee | 13.22 | $31.60 | $29.08 | $31.73 | $2.63 | 71 |
| 42 | Oklahoma | 13.21 | $31.57 | $29.06 | $31.70 | $2.63 | 70 |
| 43 | Washington | 13.17 | $31.48 | $28.97 | $31.61 | $2.62 | 29 |
| 44 | Kentucky | 13.13 | $31.38 | $28.89 | $31.51 | $2.62 | 188 |
| 45 | Utah | 13.02 | $31.12 | $28.64 | $31.25 | $2.59 | 153 |
| 46 | Montana | 12.99 | $31.05 | $28.58 | $31.18 | $2.59 | 115 |
| 47 | Arkansas | 12.87 | $30.76 | $28.31 | $30.89 | $2.56 | 108 |
| 48 | Louisiana | 12.52 | $29.92 | $27.54 | $30.05 | $2.49 | 83 |
| 49 | Nebraska | 12.05 | $28.80 | $26.51 | $28.92 | $2.40 | 110 |
| 50 | Idaho | 11.83 | $28.27 | $26.03 | $28.39 | $2.36 | 34 |
| 51 | North Dakota | 11.82 | $28.25 | $26.00 | $28.37 | $2.35 | 140 |
239 kWh a year times each state's 2025 home price (761 models, ENERGY STAR data as of 2 Oct 2026).
CSVPay less
- Model spread: 10th percentile 220 kWh, 90th 240; the 20 kWh gap is $3.45 a year at 17.23 ¢ and $8.08 at 40.40 ¢ (Hawaii).
- Median certified model: 22% below the federal standard for its class.
- 100 models meet the Most Efficient 2025 criteria: median 220 kWh against 239, $3.27 a year at 17.23 ¢.
- Location: 3.4 times between Hawaii ($96.56) and North Dakota ($28.25); 100% of utilities in Hawaii list a time-of-use rate (EIA-861).
Where the kWh comes from
Annual energy from the ENERGY STAR listing. Median 239 kWh, 10th to 90th percentile 220 to 240, range 80 to 240, 761 models. Certified models only. Method: appliance hub.
Sources
| Source | Retrieved |
|---|---|
| ENERGY STAR Certified products | 2 Oct 2026 |
| EIA retail sales | 26 Oct 2026 |
| EPA eGRID2023 | 2 Oct 2026 |
| DOE formula | 2 Oct 2026 |
More
an electric range, a TV, an air purifier, all appliances, EV charging, calculators.
Questions
Cost to run a dishwasher for a year?
$41.18 at 17.23 ¢ and 239 kWh; $28.25 in North Dakota to $96.56 in Hawaii.
Most expensive state for a dishwasher?
Hawaii: $96.56 at 40.40 ¢.
Cheapest state for a dishwasher?
North Dakota: $28.25 at 11.82 ¢.
kWh used by a dishwasher?
Median 239; 10th to 90th percentile 220 to 240; 761 models.
Does the model matter for a dishwasher?
Yes: 90th against 10th percentile is $3.45 a year at the U.S. price.
CO2 from a dishwasher?
83 kg a year at 0.348 kg per kWh (U.S.).
Why would my dishwasher bill differ?
Median 239 kWh is for new certified models; 17.23 ¢ is an average.
Fixed charges in the dishwasher cost?
Not included.