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Federal Register / Vol. 86, No. 203 / Monday, October 25, 2021 / Rules and Regulations this analysis. For EL 3, DOE applied a 0.96 multiplier as determined above to the corresponding representative equipment class EL 3 to develop the scaled EL 3 for this analysis.
Additionally, Signify stated the ELs in the August 2020 NOPD resulted in an energy efficiency for a ballast from the >500 W and <1,000 W equipment class tested at 480 V that is higher than ballast efficiency of the equipment class with the same wattage range but tested at other voltages. Signify stated that the opposite was true for all other equipment classes. Signify, No. 13 at p.
6 Specifically, Signify stated that to meet the proposed EL 1 a ballast operating a 1,000 W lamp tested at 480
V would require an efficiency of 0.971
while the same ballast tested at 277 V
would require 0.936. Hence for the >500
W and 1,000 W equipment class for ballasts tested at 480 V, Signify
suggested DOE not adopt the proposed EL1 and instead maintain the existing standard. Signify, No. 13 at p. 8
In the August 2020 NOPD DOE
specified the scaled equation for EL 1 of the >500 W and 1,000 W equipment class tested at 480 V as 0.990.0001P+0.881. 85 FR 47472, 4748947490. The coefficient in this equation was erroneously rounded in Table IV.13 of the August 2020 NOPD
and is correctly specified in this final determination as 0.990.000057P+0.881. With this correction, ballasts in the >500 W and 1,000 W equipment class tested at 480
V must meet a lower minimum efficiency than the same ballasts tested at voltages other than 480 V. However, as noted above, to prevent backsliding DOE maintained current standard for EL
1 of the >500 W and 1,000 W

58777

equipment class tested at 480 V for this analysis.
In the August 2020 NOPD and in this final determination, for ballasts greater than 1,000 W, DOE determined the need for a scaling factor based on manufacturer catalog data. DOE
determined that ballasts greater than 1,000 W do not show a difference in efficiency between 480 V and non-480
V ballasts. DOE did not apply a scaling factor to develop efficiency levels for 480 V ballasts in this equipment class, however, DOE continues to consider the 480 V and non-480 V equipment classes separately for MHLFs greater than 1,000
W for the purposes of this analysis. 85
FR 47472, 4748947490.
Table IV.13 summarizes the efficiency requirements at each EL for the nonrepresentative equipment classes. See chapter 5 of this final determination TSD for further details.

TABLE IV.13SUMMARY OF ELS FOR NON-REPRESENTATIVE EQUIPMENT CLASSES
Equipment class
EL

Technology
Minimum efficiency equation for ballasts tested at 480 V

Improved magnetic
Standard Electronic
Electronic Max Tech
Improved magnetic
Standard Electronic
Electronic Max Tech
Improved magnetic
Electronic Max Tech
Improved magnetic

EL2

Electronic Max Tech

>500 W and 1,000 W

EL1

Improved magnetic

>1,000 W and 2,000 W

EL1

Improved magnetic

1/1+1.24P0.3510.02.
1/1+1.24P0.3510.02.
0.88/1+0.4P0.3.
1/1+1.24P0.3510.02.
1/1+1.24P0.3510.02.
0.88/1+0.4P0.3.
0.88.
0.96/1+0.4P0.3.
For >250 and <265 W: 0.880. For 265 W and 500 W: 1/1 +
0.876 P0.3510.010.
For >250 and <265 W: 0.880. For 265 W and 500 W: 1/1 +
0.876 P0.3510.010.
For >500 W and 750 W: 0.900. For >750 W and 1,000 W:
0.000104 P + 0.822.
0.000008P+0.946.

50 W and 100 W
>100 W and <150 W
150 W and 250 W
>250 W and 500 W

EL1
EL2
EL3
EL1
EL2
EL3
EL1
EL2
EL1

P is defined as the rated wattage of the lamp the fixture is designed to operate.
For this equipment class the EL 2 specified in the August 2020 NOPD was the same as EL 3. For clarity, only an EL 2 is specified in this final determination.

DOE develops manufacturer selling prices MSPs for covered equipment and applies markups to create end-user prices to use as inputs to the LCC
analysis and NIA. The MSP of a MHLF
comprises of the MSP of the fixture components including any necessary additional features and the MSP of the metal halide ballast contained in the fixture. For the August 2020 NOPD, DOE conducted teardown analyses on 31 commercially available MHLFs and the ballasts included in these fixtures.
Using the information from these teardowns, DOE summed the direct
material, labor, and overhead costs used to manufacture a MHLF or MH ballast, to calculate the manufacturing production cost MPC.12 DOE then determined the MSPs of fixture components and more-efficient MH
ballasts identified for each EL. 85 FR
47472, 4749047491.
To determine the fixture components MSPs, DOE conducted fixture teardowns to derive MPCs of empty fixtures i.e., lamp enclosure and optics. The empty fixture does not include the ballast or lamp. DOE then added the other components required by the system including ballast and any cost adders associated with
12 When viewed from the company-wide perspective, the sum of all material, labor, and
overhead costs equals the companys sales cost, also referred to as the cost of goods sold.

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electronically ballasted systems and applied appropriate markups to obtain a final MSP for the entire fixture. 85 FR
47472, 4749047491.
To calculate an empty fixture price, DOE first identified the applications commonly served by the representative wattage in each equipment class based on DOEs compliance certification database. DOE selected the most popular fixture types for both indoor and outdoor applications. The representative fixture types for each equipment class selected in the August 2020 NOPD are shown in Table IV.14.
85 FR 47472, 47490.

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