DoesTheMath

Richmond XE50M12CS55U1

0.92 UEF DOE CCD · 2026-09-19
G

Grade G: where this UEF sits among the 426 models in its class, lowest (G) to highest (A). A position, not an official label. How the grade is set

An electric tank, medium draw pattern (a typical three- or four-person household, about 55 gallons on a busy morning).

If you are checking the Richmond XE50M12CS55U1, an electric tank water heater, it uses 3,531 kWh of electricity a year. That figure belongs to the medium draw pattern, the standard daily hot-water usage DOE tests against. It is equal to the median of the 426 electric tank models registered at that pattern, a difference of 0 kWh.


Energy use per year

3,531 kWh a year

Computed by this site from the registry's UEF and the federal test's daily hot-water draw for this draw pattern. What it costs depends on the electricity rate where you live.

That is equal to the median of 3,531 kWh for the 426 models registered in the same heater type and draw pattern; it ranks 213 of 426, lowest energy first.

This model: 3,531 kWh

Solid line: this model (3,531 kWh). Dashed line: the class median.

Min 773 kWh Median 3,531 kWh Max 3,569 kWh

DOE CCD · 2026-09-19

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What it costs to run where you live

Enter your ZIP to see what this unit costs to run a year on your own utility’s electricity rate.


What the registry files

UEF (Uniform Energy Factor) how much hot water you get for each unit of energy the heater uses
0.92 DOE CCD · 2026-09-19 Compared only with other models registered as an electric tank at the medium draw pattern.
Draw Pattern the standard daily usage profile DOE tests the unit against
Medium DOE CCD · 2026-09-19
First Hour Rating how many gallons of hot water the unit can deliver in one hour, starting from a full tank
63 gal DOE CCD · 2026-09-19
Rated Storage Volume the tank size in gallons
45 gal DOE CCD · 2026-09-19

What it costs to install

$1,721–$2,028 installed

Not a quote — a modeled range of what installers have charged for this class of unit; your price will vary with labor rates, access, and local code requirements.

Escalation indexes: equipment (BLS PPI) latest available: August 2026; labor (BLS ECI) latest available: April 2026 to June 2026.

NLR REMDB (BLS PPI/ECI escalated) · 2026-04-01

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Safety record

No CPSC recall names this model.

Checked against the CPSC recall database. CPSC does not publish a model-level match for this product category, so this list is curated by hand from the manufacturer's recall filings.

CPSC · 2026-09-24

What these figures mean

The 3,531 kWh figure is computed by this site, not taken from the registry. 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 medium pattern. For the Richmond XE50M12CS55U1, the UEF is 0.92. The medium pattern describes a typical mid-sized household with a busy morning of hot-water use. If your household draws more or less hot water than that, your yearly use will differ from 3,531 kWh. The registry data does not show by how much. The inputs come from the DOE CCD, retrieved 2026-09-19. Each step of the method is set out on the page explaining how the annual cost is calculated.

The first hour rating, the gallons of hot water available in the first hour from a full tank, is 63 gallons for this model. Its rated volume is 45 gallons. These figures match a household whose peak demand stays within the medium draw pattern. A household that needs more than 63 gallons in its busiest hour may run short of hot water at that time. The registry data here gives no figure for recovery after the first hour, so that is not available. If you are matching this unit like for like, the tool to find a same-class replacement by model number searches the same class of electric tank models at the medium draw pattern.

Among the 426 electric tank models registered at the medium draw pattern, this model ranks 213th lowest for energy use. Its 3,531 kWh is equal to the class median of 3,531 kWh, a difference of 0 kWh. The running cost is not written here, because it depends on your own utility's electricity tariff. The water heater cost calculator for your ZIP code computes it, using 3,531 kWh as the yearly energy input. Two homes with this unit and the same draw can pay different amounts if their tariffs differ. The installed price on this page is shown in its own block as a modeled installed-cost range, not a quote, with its own source and date.

DOE CCD · 2026-09-19

How this compares

The closest models in the same class — same fuel, type and draw pattern.


Keep going

UEF 0.92 · Grade G Price it on your ZIP