RELIANCE WATER HEATERS ENLB-30 1**

This site computed the 2,522 kWh figure; the registry does not publish it. It combines the registry's UEF, the ratio of hot water delivered to energy used, with the DOE test's daily hot-water draw for the low draw pattern. This model's UEF is 0.89. The source is the DOE CCD, retrieved 2026-09-19. The figure holds only at the federal test's daily draw. A household drawing a different amount of hot water will use a different amount of electricity. Among the 163 models in its class, it ranks 143rd lowest for energy use. That places it in the highest quarter of the class for energy use. The page on how the annual cost is calculated explains how these inputs feed the cost figure.

The low draw pattern stands for a one- or two-person household, so the 2,522 kWh figure describes that level of use. The tank's rated volume is 26 gallons. Its first hour rating, the gallons of hot water available in the first hour from a full tank, is 43 gallons. A household whose busiest hour stays within that figure matches the conditions behind the rating. A larger household with heavier demand falls outside the low draw pattern. For that household, the registry figure does not describe its use, and its energy use here is not available. To compare other fuels or sizes, use the selector by fuel, space and size.

The running cost is not stated here because it depends on your own utility's electricity tariff. The cost calculator on your own ZIP applies that tariff to the 2,522 kWh figure. The 83 kWh gap to the class median is also priced at your tariff, so its cost is not given here either. An installed price range is not published for this model. Its ratings lie outside the range the cost database's model was fitted on, and the range is not stretched past it. If you are matching a unit already in place, you can find a same-class replacement by model number using ENLB-30 1**.