#1 Standard Most Efficient
Blomberg DWS 51502 ****
44.8 in · 8 place settings · 220 kWh/yr
Residential dishwashers, Drawer/Specialty Width class (30.1-50.0 in), sold in the US. Ranked cheapest to run first, estimated at 18.31¢/kWh (July 2026).
This is electricity only. Water use is listed per cycle, not per year — how much that adds up to depends on how often you run it, so it isn't annualized here.
8 ENERGY STAR certified models, from about $40 to $44 a year in electricity to run at the US average rate. See how we calculate running costs.
#1 Standard Most Efficient
44.8 in · 8 place settings · 220 kWh/yr
#2 Standard Most Efficient
44.8 in · 8 place settings · 220 kWh/yr
#3 Standard Most Efficient
44.8 in · 8 place settings · 220 kWh/yr
#4 Standard Most Efficient
44.8 in · 8 place settings · 220 kWh/yr
#5 Standard
32.3 in · 10 place settings · 239 kWh/yr
| Rank | Brand | Model | Type | Width | Place settings | Energy use | Water/cycle | Est. cost/year |
|---|---|---|---|---|---|---|---|---|
| 1 | Blomberg Most Efficient | DWS 51502 **** | Standard | 44.8 in | 8 | 220 kWh/yr | 2.4 gal | $40 |
| 2 | Beko Most Efficient | DIS25842 | Standard | 44.8 in | 8 | 220 kWh/yr | 2.4 gal | $40 |
| 3 | Summit Most Efficient | DW18SS4 | Standard | 44.8 in | 8 | 220 kWh/yr | 2.4 gal | $40 |
| 4 | Beko Most Efficient | DDS25842*** | Standard | 44.8 in | 8 | 220 kWh/yr | 2.4 gal | $40 |
| 5 | Porter & Charles | DWVFI 18 | Standard | 32.3 in | 10 | 239 kWh/yr | 3.1 gal | $44 |
| 6 | Porter & Charles | VE-DWVSS | Standard | 33.9 in | 15 | 239 kWh/yr | 3.1 gal | $44 |
| 7 | Porter & Charles | VE-DWVFI | Standard | 33.9 in | 15 | 239 kWh/yr | 3.1 gal | $44 |
| 8 | Porter & Charles | DWVFI 82 | Standard | 32.3 in | 15 | 239 kWh/yr | 3.1 gal | $44 |