What the Samsung RF90F23BE** costs to run
The Samsung RF90F23BE** is certified by ENERGY STAR at 618 kWh a year, one of the more expensive models in its category to run among refrigerators currently certified.
That $116 is priced at 18.8¢/kWh, the average of all 51 state rates this site tracks. Your own state's rate is one click away.
Efficient, or not, for a refrigerator
The category average is 386 kWh/yr; this model runs 60.1% above it, ranking 4,160 of 4,704 refrigerators tracked here for running cost. That average is drawn from all 4,704 refrigerators ENERGY STAR currently certifies, not an outside number, a $44/year gap from this model at the national rate. Full sourcing is in the sourcing notes.
Right next to it on the list
A rank or two either side of the Samsung RF90F23BE**: Samsung RF90F23AE* ($116/yr, 618 kWh/yr), then Samsung RF90F23EE** ($116/yr, 618 kWh/yr).
Comparing Samsung's own models
Ranked 35 of Samsung's 101 certified refrigerators, this sits between the RT18DG6300** ($63/yr, the brand's cheapest) and the RF32CG5B30** ($148/yr, its priciest).
What this adds up to over time
Over the 13-year service life NAHB reports for this category, running the Samsung RF90F23BE** costs roughly $1,510 in electricity, separate from the purchase price.
Weighing a replacement
The Samsung RF90F23BE** runs above its category average. If the refrigerator you actually own is older still, likely well past ENERGY STAR's efficiency baseline when it was made, a current certified model could cost meaningfully less than this model's $116/year every year.
See what else is certified in this category before you decide.
If you're keeping it
At $116/year just to run, a refrigerator is worth protecting against an unplanned repair bill on top of that.
Where this number comes from
Ranked 4,160 of 4,704, the Samsung RF90F23BE** sits in the middle of the refrigerator category, see the guide to why your state changes this number for the other half of the math. The 618 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.