GE GE40S10BAM02
GE GE40S10BAM02 is in the DOE listing as of Oct 26, 2026.
It has a labeled size of 40 gallons, a certified storage volume of 40 gallons, a certified UEF of 0.92, and a certified first-hour rating of 64 gallons of hot water.
- Electric storage water heater
- 2 listed models
ENERGY STAR certification does not cover this type of water heater.
Certified figures
- Storage volume
- 40gallons
- UEF
- 0.92Uniform energy factor
- First-hour rating
- 64gallonsHot water in the first hour
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Change your hourCertified figures by listed model
| Model number | Storage volume (gal) | UEF | First-hour rating (gal) | Recovery efficiency | Draw pattern |
|---|---|---|---|---|---|
| GE40S08BAM02 | 40 | 0.92 | 64 | 98% | Medium |
| GE40S10BAM02 | 40 | 0.92 | 64 | 98% | Medium |
UEF is the uniform energy factor. A dash means the model has no such figure.
Sold as 40 gallons, it holds 40 gallons in the test. It delivers 64 gallons of hot water in the test's first hour. Reheating lets it give 24 gallons beyond the 40 gallons in its tank. Of 477 electric storage models, 74 give more hot water in the first hour. Among electric storage models, the median first-hour rating is 55 gallons.
In tests, 92% of the energy it uses ends up as hot water (UEF 0.92). Its test simulated a day of medium hot water use (its draw pattern). Of 297 electric storage models with the same draw pattern, 81 have a higher UEF and 2 a lower one. For its type and draw pattern, its UEF sits at the median. Of the energy spent to reheat water, 98% goes into it (its recovery efficiency).
It is the basic model for GE40S08BAM02 and GE40S10BAM02.
- Every GE basic model
- Every 40-gallon electric storage water heater
- Every electric storage water heater
Not covered
- Advertised figures. We have none on file for this model.