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 Department of Energy 10 CFR Part 431
[Docket Number EERE-2010-BT-STD-0048]
RIN 1904-AC04
 AGENCY: Office of Energy Efficiency and Renewable Energy, Department of Energy.
 ACTION: Notice of proposed rulemaking and public meeting; correction.
 SUMMARY: The U.S. Department of Energy (DOE) published a notice of proposed rulemaking on February 10, 2012, which proposed to amend DOE regulations regarding energy conservation standards for distribution transformers. It was recently discovered that values in certain tables of the proposed rule are inaccurate or absent. This notice corrects these inaccuracies as described.
 DATES: DOE will accept comments, data and information regarding this correction before and after the February 23, 2012, public meeting, but no later than April 10, 2012.
 FOR FURTHER INFORMATION CONTACT: James Raba, U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy, Building Technologies Program, EE-2J, 1000 Independence Avenue SW., Washington, DC 20585-0121. Telephone: (202) 586-8654. Email: 
                        *Jim.Raba@ee.doe.gov.* Ami Grace-Tardy, U.S. Department of Energy, Office of the General Counsel, GC-71, 1000 Independence Avenue SW., Washington, DC 20585-0121. Telephone: (202) 586-5709. Email: 
                        *Ami.Grace-Tardy@hq.doe.gov.*


SUPPLEMENTARY INFORMATION:  Background Title III, Part B of the Energy Policy and Conservation Act of 1975 (EPCA or the Act), Public Law 94-163 (42 U.S.C. 6291-6309, as codified), established the Energy Conservation Program for “Consumer Products Other Than Automobiles.” Part C of Title III of EPCA (42 U.S.C. 6311-6317) established a similar program for “Certain Industrial Equipment,” including distribution transformers. The Energy Policy Act of 1992 (EPACT 1992), Public Law 102-486, amended EPCA and directed DOE to prescribe energy conservation standards for distribution transformers. (42 U.S.C. 6317(a)) On October 12, 2007, DOE published a final rule that established energy conservation standards for liquid-immersed distribution transformers and medium-voltage, dry-type distribution transformers (72 FR 58190). The Energy Policy Act of 2005 (EPACT 2005), Public Law 109-25, amended EPCA to establish energy conservation standards for low-voltage, dry-type distribution transformers. (42 U.S.C. 6295(y)) On February 10, 2012, DOE published a proposed rule with amended energy conservation standards for liquid-immersed, medium-voltage dry-type, and low-voltage, dry-type distribution transformers (77 FR 7282). Need for Correction As published, values in certain tables of the proposed rule are inaccurate or absent. DOE solicits public comment on the changes contained in this document as part of the February 10 NOPR. Corrections In proposed rule FR Doc. 2012-2642 appearing on page 7282 in the issue of Friday, February 10, 2012, the following corrections should be made: 1. On page 7285, Table I.5 is corrected to read as follows: Table I.5—Proposed Electrical Efficiencies for All Liquid-Immersed Distribution Transformer Equipment Classes (Compliance Starting January 1, 2016)
Standards by kVA and equipment classEquipment class 1
Equipment class 2kVA
%
kVA
%10
98.70
15
98.6515
98.82
30
98.8325
98.95
45
98.9237.5
99.05
75
99.0350
99.11
112.5
99.1175
99.19
150
99.16100
99.25
225
99.23167
99.33
300
99.27250
99.39
500
99.35333
99.43
750
99.40500
99.49
1000
99.43( print page 10998)667
99.52
1500
99.48833
99.55
2000
99.512500
99.53
 2. On page 7344, Table V.9 is corrected to read as follows: Table V.9—Summary Life-Cycle Cost and Payback Period Results for Design Line 6 Representative Unit
Trial standard level1
2
3
4
5
6Efficiency (%)
98.00
98.60
98.80
99.17
99.17
99.44Transformers with Net Increase in LCC (%)
0.0
71.5
17.6
36.2
36.2
93.4Transformers with Net LCC Savings (%)
0.0
28.5
82.4
63.8
63.8
6.6Transformers with No Impact on LCC (%)
100.0
0.0
0.0
0.0
0.0
0.0Mean LCC Savings ($)
0
−125
303
187
187
−881Median PBP (Years)
0.0
24.7
12.8
16.3
16.3
32.4
 3. On page 7346, Table V.20 is corrected to read as follows: Table V.20—Rebuttable-Presumption Payback Periods (Years) for Low-Voltage Dry-Type Distribution Transformers
Design line
Rated capacity 
                             (kVA)
Trial standard level1
2
3
4
5
66
25
0.0
15.9
13.5
15.0
15.0
26.57
75
4.2
4.2
4.4
6.4
6.4
14.98
300
6.8
6.8
10.4
9.7
20.2
20.2
 4. On page 7363, Table V.39 is corrected to read as follows: Table V.39—Proposed Energy Conservation Standards for Liquid-Immersed Distribution Transformers
Standards by kVA and equipment classEquipment class 1
Equipment class 2kVA
%
kVA
%10
98.70
15
98.6515
98.82
30
98.8325
98.95
45
98.9237.5
99.05
75
99.0350
99.11
112.5
99.1175
99.19
150
99.16100
99.25
225
99.23167
99.33
300
99.27250
99.39
500
99.35333
99.43
750
99.40500
99.49
1000
99.43667
99.52
1500
99.48833
99.55
2000
99.512500
99.53
 
 
 5. On pages 7363 and 7364, Table V.41 is corrected to read as follows: Table V.41—Summary of Analytical Results for Low-Voltage, Dry-Type Distribution Transformers: Manufacturer and Consumer Impacts
Category
TSL 1
TSL 2
TSL 3
TSL 4
TSL 5
TSL 6**Manufacturer Impacts**Industry NPV (2011$ million)
203 to 236
200 to 235
193 to 240
173 to 250
164 to 263
136 to 322.Industry NPV (% change)
(7.7) to 7.7
(8.9) to 6.8
(12.2) to 9.1
(21.0) to 14.1
(25.2) to 20.0
(37.9) to 46.4**Consumer Mean LCC Savings (2010$)**Design line 6
0
−125
303
187
187
−881.Design line 7
1714
1714
1793
2270
2270
270.Design line 8
2476
2476
2625
4145
−2812
−2812.**Consumer Median PBP (years)**Design line 6
0.0
24.7
12.8
16.3
16.3
32.4.Design line 7
4.5
4.5
4.7
6.9
6.9
18.1.Design line 8
8.4
8.4
12.3
11.0
24.5
24.5.**Distribution of Consumer LCC Impacts****Design line 6**Net Cost (%)
0.0
71.5
17.6
36.2
36.2
93.4.Net Benefit (%)
0.0
28.5
82.4
63.8
63.8
6.6.No Impact (%)
100.0
0.0
0.0
0.0
0.0
0.0.**Design line 7**Net Cost (%)
041*1.8
1.8
2.0
3.7
3.7
46.4.Net Benefit (%)
98.2
98.2
98.0
96.3
96.3
53.6.No Impact (%)
0.0
0.0
0.0
0.0
0.0
0.0.**Design line 8**Net Cost (%)
5.2
5.2
15.3
10.5
78.5
78.5.Net Benefit (%)
94.8
94.8
84.7
89.5
21.5
21.5.No Impact (%)
0.0
0.0
0.0
0.0
0.0
0.0.
 6. The first sentence on page 7365, column 1, paragraph 7 is corrected to read as follows: “At TSL 3, the average LCC impact ranges from $303 for design line 6 to $2,625 for design line 8. The median PBP ranges from 12.8 years for design line 6 to 4.7 years for design line 7”. 7. On pages 7379 and 7380, § 431.196, the “%” headings in the second row of the tables in paragraphs (a)(1) and (a)(2) are corrected to read as “Efficiency (%)”. 8. On page 7380, § 431.196, interchange the tables in paragraphs (b)(1) and (b)(2) to read as follows: *(b) Liquid-Immersed Distribution Transformers.* (1) The efficiency of a liquid-immersed distribution transformer manufactured on or after January 1, 2010, but before January 1, 2016, shall be no less than that required for their kVA rating in the table below. Liquid-immersed distribution transformers with kVA ratings not appearing in the table shall have their minimum efficiency level determined by linear interpolation of the kVA and efficiency values immediately above and below that kVA rating. Single-phase
Three-phasekVA
Efficiency (%)
kVA
Efficiency (%)10
98.62
15
98.3615
98.76
30
98.6225
98.91
45
98.7637.5
99.01
75
98.9150
99.08
112.5
99.0175
99.17
150
99.08100
99.23
225
99.17167
99.25
300
99.23250
99.32
500
99.25333
99.36
750
99.32500
99.42
1000
99.36667
99.46
1500
99.42833
99.49
2000
99.46( print page 11000)2500
99.49**Note:**
                         All efficiency values are at 50 percent of nameplate-rated load, determined according to the DOE Test-Procedure. 10 CFR Part 431, Subpart K, Appendix A.
 (2) The efficiency of a liquid-immersed distribution transformer manufactured on or after January 1, 2016, shall be no less than that required for their kVA rating in the table below. Liquid-immersed distribution transformers with kVA ratings not appearing in the table shall have their minimum efficiency level determined by linear interpolation of the kVA and efficiency values immediately above and below that kVA rating. Single-phase
Three-phasekVA
Efficiency (%)
kVA
Efficiency (%)10
98.70
15
98.6515
98.82
30
98.8325
98.95
45
98.9237.5
99.05
75
99.0350
99.11
112.5
99.1175
99.19
150
99.16100
99.25
225
99.23167
99.33
300
99.27250
99.39
500
99.35333
99.43
750
99.40500
99.49
1000
99.43667
99.52
1500
99.48833
99.55
2000
99.512500
99.53**Note:**
                         All efficiency values are at 50 percent of nameplate-rated load, determined according to the DOE Test-Procedure. 10 CFR Part 431, Subpart K, Appendix A.
 9. On pages 7380 and 7381, § 431.196, interchange the tables in paragraphs (c)(1) and (c)(2) to read as follows: *(c) Medium-Voltage Dry-Type Distribution Transformers.* (1) The efficiency of a medium- voltage dry-type distribution transformer manufactured on or after January 1, 2010, but before January 1, 2016, shall be no less than that required for their kVA and BIL rating in the table below. Medium-voltage dry-type distribution transformers with kVA ratings not appearing in the table shall have their minimum efficiency level determined by linear interpolation of the kVA and efficiency values immediately above and below that kVA rating. Single-phase
Three-phaseBIL*
20-45 kV
46-95 kV
≥96 kV
BIL*
20-45 kV
46-95 kV
≥96 kVkVA
Efficiency 
                             (%)
Efficiency 
                             (%)
Efficiency 
                             (%)
kVA
Efficiency 
                             (%)
Efficiency 
                             (%)
Efficiency 
                             (%)15
98.10
97.86

15
97.50
97.1825
98.33
98.12

30
97.90
97.6337.5
98.49
98.30

45
98.10
97.8650
98.60
98.42

75
98.33
98.1275
98.73
98.57
98.53
112.5
98.49
98.30100
98.82
98.67
98.63
150
98.60
98.42167
98.96
98.83
98.80
225
98.73
98.57
98.53250
99.07
98.95
98.91
300
98.82
98.67
98.63333
99.14
99.03
98.99
500
98.96
98.83
98.80500
99.22
99.12
99.09
750
99.07
98.95
98.91667
99.27
99.18
99.15
1000
99.14
99.03
98.99833
99.31
99.23
99.20
1500
99.22
99.12
99.092000
99.27
99.18
99.152500
99.31
99.23
99.20*BIL means basic impulse insulation level.**Note:**
                         All efficiency values are at 50 percent of nameplate rated load, determined according to the DOE Test-Procedure. 10 CFR Part 431, Subpart K, Appendix A.
 (2) The efficiency of a medium- voltage dry-type distribution transformer manufactured on or after January 1, 2016, shall be no less than that required for their kVA and BIL rating in the table below. Medium-voltage dry-type distribution transformers with kVA ratings not appearing in the table shall have their 
                    ( print page 11001)
                    minimum efficiency level determined by linear interpolation of the kVA and efficiency values immediately above and below that kVA rating. Single-phase
Three-phaseBIL*
20-45 kV
46-95 kV
≥96 kV
BIL*
20-45 kV
46-95 kV
≥96 kVkVA
Efficiency 
                             (%)
Efficiency 
                             (%)
Efficiency 
                             (%)
kVA
Efficiency 
                             (%)
Efficiency 
                             (%)
Efficiency 
                             (%)15
98.10
97.86

15
97.50
97.1825
98.33
98.12

30
97.90
97.6337.5
98.49
98.30

45
98.10
97.8650
98.60
98.42

75
98.33
98.1375
98.73
98.57
98.53
112.5
98.52
98.36100
98.82
98.67
98.63
150
98.65
98.51167
98.96
98.83
98.80
225
98.82
98.69
98.57250
99.07
98.95
98.91
300
98.93
98.81
98.69333
99.14
99.03
98.99
500
99.09
98.99
98.89500
99.22
99.12
99.09
750
99.21
99.12
99.02667
99.27
99.18
99.15
1000
99.28
99.20
99.11833
99.31
99.23
99.20
1500
99.37
99.30
99.212000
99.43
99.36
99.282500
99.47
99.41
99.33* BIL means basic impulse insulation level.**Note:**
                         All efficiency values are at 50 percent of nameplate rated load, determined according to the DOE Test-Procedure. 10 CFR Part 431, Subpart K, Appendix A.
 Issued in Washington, DC, on February 15, 2012. Kathleen B. Hogan, Deputy Assistant Secretary, Energy Efficiency and Renewable Energy.


[FR Doc. 2012-3987 Filed 2-23-12; 8:45 am] BILLING CODE 6450-01-P