Samsung RT18DG6700 Running Cost (Refrigerator)
What the Samsung RT18DG6700 costs to run
At 446 kWh/yr, the Samsung RT18DG6700's ENERGY STAR certification puts it more expensive than most models in its category to run against every other certified refrigerator.
That $84 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 15.5% above it, ranking 3,157 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 $11/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 RT18DG6700: Samsung RT18DG6500 ($84/yr, 446 kWh/yr), then Samsung RT70F18LA ($84/yr, 446 kWh/yr).
Within the Samsung lineup
Ranked 15 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
13 years is NAHB's typical service life for this category; at $84/year, the Samsung RT18DG6700 adds up to about $1,090 in electricity over that span.
Is it worth replacing?
The Samsung RT18DG6700 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 $84/year every year.
See what else is certified in this category before you decide.
If you're keeping it
A refrigerator like the Samsung RT18DG6700 is a real household expense whether or not it needs replacing yet; a protection plan is one way to budget for a repair rather than a full replacement.
Where this number comes from
Ranked 3,157 of 4,704, the Samsung RT18DG6700 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 446 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.