Data through June 2026
Cost to run · Washington · 14.9¢/kWh residential average
How much does it cost to run a dishwasher in Washington?
$36/yr · median certified model
Residential electricity in Washington runs 14.9¢/kWh — 19% under the U.S. average — putting the median certified dishwasher at about $36 a year, versus $44 nationally.
Washington ranks 13 of 51 jurisdictions for dishwasher running costs — solidly mid-table. Model choice matters as much as geography: at Washington rates the most efficient certified model (Loch L1126) costs $12 a year while the most power-hungry (Amana ADFS2524R) costs $36 — a spread of $24 every year. For reference, the national extremes are Nevada (13.1¢/kWh) and Hawaii (52.7¢/kWh); the same median dishwasher would cost $31 and $126 a year there.
The cheapest dishwashers to run at Washington rates
| # | Model | kWh/yr | $/yr in WA |
|---|---|---|---|
| 1 | Loch L1126 | 80 | $12 |
| 2 | Fisher & Paykel DD24STX6I1 | 114 | $17 |
| 3 | Fisher & Paykel DD24STX6PX1 | 114 | $17 |
| 4 | Fisher & Paykel DD24SAX9 | 134 | $20 |
| 5 | Fisher & Paykel DD24SCTX9 | 134 | $20 |
| 6 | Fisher & Paykel DD24SDFTX9 | 134 | $20 |
| 7 | Fisher & Paykel DD24SI9 | 134 | $20 |
| 8 | Fisher & Paykel DD24STI9 | 134 | $20 |
| 9 | Fisher & Paykel DD24SV2T9 | 134 | $20 |
| 10 | BLACK+DECKER BCD6SD | 155 | $23 |
Price any model at Washington rates
Your rate, your numbers
- Per day
- 10¢
- Per month
- $2.97
- Per year
- $36
239 kWh/yr × 14.9¢/kWh = $36/yr
Prefilled with the median certified dishwasher (239 kWh/yr). Every model page on this site carries its exact certified figure.
Questions, answered with the data
- How much does it cost to run a dishwasher in Washington?
- About $36 a year for the median ENERGY STAR certified dishwasher, at Washington's average residential rate of 14.9¢/kWh — that's $2.97 a month.
- Is electricity expensive in Washington?
- Washington's residential average of 14.9¢/kWh is 19% below the U.S. average of 18.3¢/kWh, ranking 13 of 51 jurisdictions (1 = cheapest).
- What's the cheapest dishwasher to run in Washington?
- Among currently certified models, the Loch L1126 costs the least at about $12 a year at Washington rates (80 kWh/yr).
- How does Washington compare with other states?
- The same median dishwasher costs $31 a year in Nevada (the cheapest state) and $126 in Hawaii (the priciest). Washington sits at $36.
Keep digging
- All certified dishwashers compared
- Dishwashers costs in North Carolina (rank 11 of 51)
- Dishwashers costs in Mississippi (rank 12 of 51)
- Dishwashers costs in New Mexico (rank 14 of 51)
- Dishwashers costs in Florida (rank 15 of 51)
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- Running a clothes washer in Washington
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Rate source: US EIA, average residential price of electricity, see methodology.