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Federal Register / Vol. 86, No. 203 / Monday, October 25, 2021 / Rules and Regulations
TABLE V.13AVERAGE LCC SAVINGS RELATIVE TO THE NO-NEW-STANDARDS CASE FOR THE >1,000 W AND 2,000 W
EQUIPMENT CLASS
Life-cycle cost savings Efficiency level
TSL

1
2
3

Average LCC savings
2020$
1 1
1

Percent of consumers that experience net cost
10.47
10.47
10.47

48.5
48.5
48.5

The savings represent the average LCC for affected consumers.

b. Rebuttable Presumption Payback
values, and, as required by EPCA, based the energy use calculation on the DOE
test procedures for MHLFs. In contrast, the PBPs presented in section V.B.1.a were calculated using distributions that reflect the range of energy use in the field.
Table V.14 presents the rebuttablepresumption payback periods for the considered ELs for MHLFs. While DOE
examined the rebuttable-presumption criterion, it considered whether the standard levels considered for this rule
As discussed in section IV.F.9, EPCA
establishes a rebuttable presumption that an energy conservation standard is economically justified if the increased purchase cost for a product that meets the standard is less than three times the value of the first-year energy savings resulting from the standard. In calculating a rebuttable presumption payback period for each of the considered ELs, DOE used discrete
are economically justified through a more detailed analysis of the economic impacts of those levels, pursuant to 42
U.S.C. 6295o2Bi, that considers the full range of impacts to the consumer, manufacturer, Nation, and environment. The results of that analysis serve as the basis for DOE to definitively evaluate the economic justification for a potential standard level, thereby supporting or rebutting the results of any preliminary determination of economic justification.

TABLE V.14REBUTTABLE-PRESUMPTION PAYBACK PERIODS
Rebuttable presumption payback period years EL

50 W and 100 W

1
2
3

2,150.5
21.4
21.9

150 W and 250 W

>250 W and 500 W

>500 W and 1,000 W

>1,000 W and 2,000 W

102.9
90.2

195.5
56.3

38.1

18.6

>100 W and <150 W
14.3
10.0
87.6

Includes 150 W fixtures initially exempted by EISA 2007, which are fixtures rated only for 150 watt lamps; rated for use in wet locations, specified by the NFPA 702002, section 410.4A; and containing a ballast that is rated to operate at ambient air temperatures above 50 C, specified by UL 10292007.
Excludes 150 W fixtures initially exempted by EISA 2007, which are fixtures rated only for 150 watt lamps; rated for use in wet locations, specified by the NFPA 702002, section 410.4A; and containing a ballast that is rated to operate at ambient air temperatures above 50 C, specified by UL 10292007.

Table V.14 reports very large rebuttable-presumption payback periods for some equipment class-efficiency level combinations. These payback periods are the result of very small operating cost savings under the rebuttable-presumption criterion compared to the increased installed cost of moving from EL 0 to the EL under consideration.

2. National Impact Analysis This section presents DOEs estimates of the national energy savings and the NPV of consumer benefits that would result from each of the TSLs considered as potential amended standards.
a. Significance of Energy Savings To estimate the energy savings attributable to potential amended standards for MHLFs DOE compared their energy consumption under the nonew-standards case to their anticipated
as as as as
energy consumption under each TSL.
The savings are measured over the entire lifetime of products purchased in the 30-year period that begins in the first full year of anticipated compliance with amended standards 20252054.
Table V.15 presents DOEs projections of the national energy savings for each TSL considered for MHLFs. The savings were calculated using the approach described in section IV.H.1 of this document.

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TABLE V.15CUMULATIVE NATIONAL ENERGY SAVINGS FOR MHLFS; 30 YEARS OF SHIPMENTS
20252054
Trial standard level Equipment class 1
Site Energy Savings quads:
50 W and 100 W

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