GE GTS21FGK
Covers every color and finish of this model.
Not ENERGY STAR certified
Top-freezer refrigerator · 20.8 cu ft
Inthis refrigerator costs
about $7 a month
$78 a year
An estimate at your state's average rate — not a guarantee of your bill.
The yellow sticker says $61 a year.
You'll pay $18 more.
Sticker uses 14¢ per kWh. The U.S. average is 18.0¢ per kWh.
Energy use
434 kWh a year
vs similar top-freezer refrigerator
+19%
Cheaper refrigerators, same size
Cheaper to run, same size
- Whirlpool WRT549SZDTop-freezer refrigerator · 19.3 cu ft$68
- GE GTE19DTNTop-freezer refrigerator · 19.2 cu ft$68
- GE GTE19JSNTop-freezer refrigerator · 19.2 cu ft$68
- GE GTE19JTNTop-freezer refrigerator · 19.2 cu ft$68
A year at the U.S. average residential rate.
Cost in every state
434 kWh a year × each state's average residential rate (EIA 12-month average through July 2026).
| State | Rate | Per year | Per month |
|---|---|---|---|
| Hawaii | 43.7¢ | $190 | about $16 a month |
| California | 33.1¢ | $144 | about $12 a month |
| Massachusetts | 30.4¢ | $132 | about $11 a month |
| Rhode Island | 29.4¢ | $128 | about $11 a month |
| Maine | 29.3¢ | $127 | about $11 a month |
| New York | 28.4¢ | $123 | about $10 a month |
| Connecticut | 28.2¢ | $122 | about $10 a month |
| Alaska | 27.0¢ | $117 | about $10 a month |
| New Hampshire | 26.8¢ | $116 | about $10 a month |
| District of Columbia | 24.2¢ | $105 | about $9 a month |
Show all 52 statesShow fewer
| Vermont | 23.9¢ | $104 | about $9 a month |
|---|---|---|---|
| New Jersey | 23.6¢ | $102 | about $9 a month |
| Maryland | 22.3¢ | $97 | about $8 a month |
| Michigan | 21.0¢ | $91 | about $8 a month |
| Pennsylvania | 20.8¢ | $90 | about $8 a month |
| Illinois | 19.0¢ | $82 | about $7 a month |
| Wisconsin | 18.8¢ | $81 | about $7 a month |
| Ohio | 18.3¢ | $79 | about $7 a month |
| U.S. average | 18.0¢ | $78 | about $7 a month |
| Delaware | 18.0¢ | $78 | about $6 a month |
| Indiana | 17.1¢ | $74 | about $6 a month |
| Virginia | 16.6¢ | $72 | about $6 a month |
| Colorado | 16.6¢ | $72 | about $6 a month |
| Alabama | 16.5¢ | $72 | about $6 a month |
| Minnesota | 16.2¢ | $70 | about $6 a month |
| Texas | 16.0¢ | $69 | about $6 a month |
| South Carolina | 15.7¢ | $68 | about $6 a month |
| West Virginia | 15.7¢ | $68 | about $6 a month |
| Oregon | 15.6¢ | $68 | about $6 a month |
| Arizona | 15.5¢ | $67 | about $6 a month |
| Florida | 15.4¢ | $67 | about $6 a month |
| New Mexico | 15.2¢ | $66 | about $6 a month |
| Kansas | 15.1¢ | $66 | about $5 a month |
| Georgia | 15.1¢ | $65 | about $5 a month |
| Mississippi | 14.9¢ | $65 | about $5 a month |
| North Carolina | 14.9¢ | $65 | about $5 a month |
| South Dakota | 14.3¢ | $62 | about $5 a month |
| Washington | 14.2¢ | $61 | about $5 a month |
| Wyoming | 14.2¢ | $61 | about $5 a month |
| Iowa | 14.1¢ | $61 | about $5 a month |
| Kentucky | 14.0¢ | $61 | about $5 a month |
| Montana | 13.9¢ | $60 | about $5 a month |
| Missouri | 13.9¢ | $60 | about $5 a month |
| Tennessee | 13.7¢ | $59 | about $5 a month |
| Oklahoma | 13.6¢ | $59 | about $5 a month |
| Nevada | 13.6¢ | $59 | about $5 a month |
| Arkansas | 13.5¢ | $58 | about $5 a month |
| Utah | 13.3¢ | $58 | about $5 a month |
| Louisiana | 13.1¢ | $57 | about $5 a month |
| Nebraska | 12.9¢ | $56 | about $5 a month |
| Idaho | 12.7¢ | $55 | about $5 a month |
| North Dakota | 12.5¢ | $54 | about $5 a month |
What the GE GTS21FGK costs where electricity is expensive
At Hawaii's average residential rate of 43.7¢ per kWh, the GE GTS21FGK costs $190 a year — $129 more a year than the label says. The EnergyGuide label estimates $61 a year, because every label in the country is calculated at 14¢ per kWh. At the U.S. average of 18.0¢ per kWh this refrigerator costs $78 a year, and in North Dakota, the cheapest state, $54 a year.
| Where | Rate | Cost a year | vs the label |
|---|---|---|---|
| Hawaii | 43.7¢ per kWh | $190 | +$129 |
| California | 33.1¢ per kWh | $144 | +$83 |
| Massachusetts | 30.4¢ per kWh | $132 | +$71 |
| Rhode Island | 29.4¢ per kWh | $128 | +$67 |
| Maine | 29.3¢ per kWh | $127 | +$66 |
| North Dakota | 12.5¢ per kWh | $54 | −$6 |
Electricity prices: EIA 12-month average through July 2026, residential sector, average revenue per kWh. Label figure calculated at 14¢ per kWh, the rate the FTC requires on labels.
Full specs
At the U.S. average residential rate this one costs $78 a year — about 19% more expensive to run than the average top-freezer refrigerator ($66 a year across 1,041 certified models).
Every model on this scale is ENERGY STAR certified. Range across 1041 top-freezer refrigerators, priced a year at the U.S. average residential rate.
- Brand
- GE
- Model number
- GTS21FGK****as ENERGY STAR lists it; * and # stand for color and finish codes
- Type
- Top-freezer refrigerator
- Capacity
- 20.8 cu ft
- Annual energy use
- 434 kWh a year
- Annual energy use with ice maker
- 518 kWh a year
- ENERGY STAR Most Efficient
- No
- Product class
- (3.) Refrigerator-freezers - automatic defrost with top-mounted freezer without an automatic icemaker
- Adjusted volume (cu ft)
- 24.9
- EnergyGuide label
- https://www.geappliances.com/pro/literature.htm
Where to buy
We do not sell appliances. These open a search on the retailer's own site.
Common questions
+How much does the GE GTS21FGK cost to run per month?
about $7 a month at the U.S. average residential rate of 18.0¢ per kWh, or $78 a year. Your cost depends on your state's rate — see the table above.
+How many kWh does the GE GTS21FGK use?
434 kWh a year, as the manufacturer filed it with the U.S. Department of Energy, in its compliance certification database. With the automatic ice maker it is listed at 518 kWh a year.
+Is the GE GTS21FGK energy efficient?
It is not ENERGY STAR certified — it is filed with the U.S. Department of Energy, which every model on sale must be. It uses about 19% more electricity than the average top-freezer refrigerator (average: 364 kWh a year).
+How does the GE GTS21FGK compare to the average refrigerator?
The average top-freezer refrigerator in our database uses 364 kWh a year, costing $66 a year at the U.S. average residential rate. The GE GTS21FGK uses 434 kWh a year, costing $78 a year.
How we calculate this
Annual energy use (434 kWh a year) is the figure the manufacturer filed for this model with the U.S. Department of Energy, in the compliance certification database. Running cost is that figure multiplied by a state's average residential electricity price from the U.S. Energy Information Administration (12-month average through July 2026, average revenue per kWh).
This model is filed in two configurations. The headline figure is the one without an automatic ice maker; the ice-maker configuration is listed separately above.
Sources: U.S. DOE compliance certification data, updated fortnightly · U.S. EIA electricity prices, 12-month average through July 2026.