kitchen · 70W typical
Running a electric can opener costs about $0.00/month.
That's the typical electric can opener at 70W, run 0.01 hours a day at the US-average rate of 16.5¢/kWh. Change any of those and the number moves — use the calculator below to see yours.
Estimated cost
Full-power draw for 0.01 hours at 16.5¢/kWh.
How you use it
Cost shifts with how long it's on.
The same electric can opener can cost very different amounts depending on usage patterns. Three common scenarios, at the US-average rate.
daily cooking
$0.00
per month
30-60 sec of use per day
Where you live
$0.01 spread between the cheapest and priciest states.
Same appliance, same hours of use, different zip code — the monthly cost varies this much.
| State | Rate | Monthly | Yearly |
|---|---|---|---|
| Hawaii | 41.2¢ | $0.01 | $0.11 |
| California | 31.4¢ | $0.01 | $0.08 |
| Massachusetts | 30.8¢ | $0.01 | $0.08 |
| Connecticut | 28.7¢ | $0.01 | $0.07 |
| Rhode Island | 27.9¢ | $0.01 | $0.07 |
| New Hampshire | 24.6¢ | $0.01 | $0.06 |
| Alaska | 24.3¢ | $0.01 | $0.06 |
| New York | 22.3¢ | $0.00 | $0.06 |
| Maine | 22.1¢ | $0.00 | $0.06 |
| Vermont | 21.5¢ | $0.00 | $0.05 |
| Michigan | 19.3¢ | $0.00 | $0.05 |
| New Jersey | 19.1¢ | $0.00 | $0.05 |
| Maryland | 18.4¢ | $0.00 | $0.05 |
| Pennsylvania | 18.1¢ | $0.00 | $0.05 |
| District of Columbia | 17.8¢ | $0.00 | $0.05 |
| Wisconsin | 17.4¢ | $0.00 | $0.04 |
| Delaware | 17.2¢ | $0.00 | $0.04 |
| Illinois | 16.9¢ | $0.00 | $0.04 |
| Ohio | 16.6¢ | $0.00 | $0.04 |
| Nevada | 16.3¢ | $0.00 | $0.04 |
| Indiana | 15.8¢ | $0.00 | $0.04 |
| Virginia | 15.7¢ | $0.00 | $0.04 |
| Minnesota | 15.6¢ | $0.00 | $0.04 |
| Colorado | 15.4¢ | $0.00 | $0.04 |
| Alabama | 15.2¢ | $0.00 | $0.04 |
| West Virginia | 15.2¢ | $0.00 | $0.04 |
| Florida | 15.1¢ | $0.00 | $0.04 |
| New Mexico | 14.8¢ | $0.00 | $0.04 |
| Texas | 14.8¢ | $0.00 | $0.04 |
| Arizona | 14.7¢ | $0.00 | $0.04 |
| South Carolina | 14.7¢ | $0.00 | $0.04 |
| Kansas | 14.6¢ | $0.00 | $0.04 |
| Georgia | 14.2¢ | $0.00 | $0.04 |
| Iowa | 14.1¢ | $0.00 | $0.04 |
| North Carolina | 13.9¢ | $0.00 | $0.04 |
| Missouri | 13.6¢ | $0.00 | $0.03 |
| Oregon | 13.4¢ | $0.00 | $0.03 |
| Tennessee | 13.3¢ | $0.00 | $0.03 |
| Kentucky | 13.2¢ | $0.00 | $0.03 |
| Mississippi | 13.1¢ | $0.00 | $0.03 |
| Oklahoma | 13.1¢ | $0.00 | $0.03 |
| South Dakota | 12.7¢ | $0.00 | $0.03 |
| Montana | 12.4¢ | $0.00 | $0.03 |
| Nebraska | 12.2¢ | $0.00 | $0.03 |
| Arkansas | 12.1¢ | $0.00 | $0.03 |
| Washington | 12.1¢ | $0.00 | $0.03 |
| Louisiana | 11.9¢ | $0.00 | $0.03 |
| Wyoming | 11.6¢ | $0.00 | $0.03 |
| North Dakota | 11.5¢ | $0.00 | $0.03 |
| Utah | 11.4¢ | $0.00 | $0.03 |
| Idaho | 11.3¢ | $0.00 | $0.03 |
Efficient vs. inefficient
A $0.07/year difference across the wattage range.
Swapping a high-draw model for an efficient one pays for itself. Here's what that looks like annually at typical usage.
Most efficient
40W
$0.00 per month
$0.02 per year
Typical
70W
$0.00 per month
$0.04 per year
High draw
150W
$0.01 per month
$0.09 per year
When it hits hardest
year-round peak
Constant daily use.
Ways to cut the cost
- 1
Use a manual can opener for most tasks
Eliminates this load entirely
- 2
Unplug when not in use — some draw 0.5-1W standby
Saves 5-10 kWh/year
- 3
Keep cutting wheel clean — dull blades force longer use
Restores spec efficiency
Real-world wattages
Pulled from actual spec sheets.
| Brand | Model | Watts |
|---|---|---|
| Hamilton Beach | 76380Z Smooth Edge | 70W |
| Cuisinart | CCO-50BKN | 60W |
| Oster | FPSTCN1300 | 90W |
Picks that actually move the needle
Three products worth comparing if you're thinking about upgrading or supplementing what you have.
Some links below are affiliate links. If you buy, we may earn a small commission — it never changes the price you pay, and we only recommend picks we would stand behind.
See also
Related appliances
Sources: www.energy.gov · www.energystar.gov
Last updated: 2026-04-13