Moon Lake Electric Assn., Inc.

History of overhead transformer purchases and those transformers still in use 

5-Oct-11

K Winder

AMORPHOUS CORE TRANSFORMERS PURCHASED BY SECONDARY VOLTAGE AMORPHOUS CORE TRANSFORMERS STILL IN USE BY SECONDARY VOLTAGE Percentage

KVA 1990 1991 1992 1993 1994 1995 1996 TOTAL 120/240 volt transformers 120/240 volt transformers still in

10 32 62 187 85 150 186 120 822 KVA 1990 1991 1992 1993 1994 1995 1996 Totals KVA 1990 1991 1992 1993 1994 1995 1996 Totals service, %

15 16 46 127 103 75 250 0 617 10 20 50 147 85 150 159 80 691 10 19 47 135 84 146 143 74 648 93.78%

25 0 16 20 24 0 15 50 125 15 10 25 127 85 30 220 0 497 15 9 25 120 79 30 207 0 470 94.57%

37.5 0 0 50 52 0 8 30 140 25 0 16 20 24 0 15 50 125 25 0 16 20 23 0 15 49 123 98.40%

50 0 0 0 0 27 0 40 67 37.5 0 0 12 12 0 8 0 32 37.5 0 0 12 12 0 8 0 32 100.00%

48 124 384 264 252 459 240 Total 1771 50 0 0 0 0 15 0 0 15 50 0 0 0 0 15 0 0 15 100.00%

277 volt transformers 277 volt transformers

KVA 1990 1991 1992 1993 1994 1995 1996 KVA 1990 1991 1992 1993 1994 1995 1996

10 12 12 40 0 0 27 40 131 10 11 12 33 0 0 25 37 118 90.08%

KVA 1990 1991 1992 1993 1994 1995 1996 TOTAL 15 6 21 0 18 45 30 0 120 15 6 19 0 18 45 29 0 117 97.50%

10 30 59 168 84 146 168 111 766 37.5 0 0 38 40 0 0 30 108 37.5 0 0 36 39 0 0 23 98 90.74%

15 15 44 120 97 75 236 0 587 Amorphous core 50 0 0 0 0 12 0 31 43 50 0 0 0 0 12 0 31 43 100.00%

25 0 16 20 23 0 15 49 123 Percentage 240/480 volt transformers 240/480 volt transformers

37.5 0 0 48 51 0 8 23 130 still in KVA 1996 KVA 1996

50 0 0 0 0 27 0 40 67 service 50 9 9 50 9 9 100.00%

Totals 45 119 356 255 248 427 223 Total 1673 94.47%

Total 1,771 Total 1,673 94.47%

 STEEL CORE TRANSFORMERS PURCHASED Purchased 1982 through 2011

AMORPHOUS CORE TRANSFORMERS PURCHASED

AMORPHOUS CORE TRANSFORMERS STILL IN USE

KVA 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 TOTAL

10 0 0 25 86 74 40 75 22 0 0 0 0 0 15 173 272 155 405 160 250 178 202 128 272 205 108 24 54 31 2954

15 63 99 60 69 154 27 101 0 15 0 0 0 0 0 195 85 175 160 0 97 80 64 123 122 223 81 115 96 49 2253

25 55 12 24 5 15 5 112 9 70 30 131 1 30 0 32 0 0 0 21 6 6 24 48 27 121 113 0 57 23 977

37.5 71 37 75 54 33 0 0 30 12 0 12 0 0 0 42 0 0 0 18 6 0 6 48 78 24 47 17 126 2 738

50 12 0 13 54 6 0 0 0 9 6 0 0 0 0 23 0 0 2 0 0 0 8 30 0 37 33 3 9 6 251

201 148 197 268 282 72 288 61 106 36 143 1 30 15 465 357 330 567 199 359 264 304 377 499 610 382 159 342 111 7,173

Total Purchased 1990 through 1996 331 Total Purchased 1997 through 2011 5,325

STEEL CORE TRANSFORMERS STILL IN USE Total Purchased 1982 through 1997 1848

KVA 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 TOTAL

10 0 0 22 83 72 38 67 18 0 0 0 0 0 14 164 267 155 397 158 243 177 199 128 269 204 108 24 54 31 2892

15 51 85 46 64 142 27 98 0 15 0 0 0 0 0 192 83 175 155 0 96 79 64 120 120 222 80 114 95 49 2172

25 53 11 23 3 14 4 110 9 69 29 130 1 29 0 31 0 0 0 20 6 5 24 47 27 121 113 0 57 23 959 Percentage

37.5 68 22 74 53 32 0 0 29 10 0 12 0 0 0 41 0 0 0 17 6 0 6 48 78 24 47 17 125 2 711 still in

Totals 12 0 12 52 6 0 0 0 7 6 0 0 0 0 21 0 0 2 0 0 0 8 30 0 37 33 3 9 6 244 service

Totals 184 118 177 255 266 69 275 56 101 35 142 1 29 14 449 350 330 554 195 351 261 301 373 494 608 381 158 340 111 6,978 97.28%

Percentage still in service Total units purchased 1997 through 2011 still in service 5,256

Total units purchased 1990 through 1996 still in service 322 97.28% Percentage still in service 98.70%

Total units purchased 1982 through 1996 still in service 1722 93.18%

 STEEL CORE TRANSFORMERS PURCHASED BY SECONDARY VOLTAGE Purchased Purchased

120/240 volt transformers Purchased 1990 through 1982 through

KVA 1982 1983 1984 1985 1986 1987 1988 1989 1990 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 Totals 1996 1996

10 25 83 74 40 54 10 137 190 100 385 110 230 143 130 116 236 149 80 35 25 2352 0 286

KVA 1982 1983 1984 1985 1986 1987 1988 1989 1990 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 Totals 1996 1996

10 0 0 25 83 74 40 54 10 0 137 190 100 385 110 230 143 130 116 236 149 80 0 35 25 2352 0 286

15 61 90 60 65 148 26 74 0 0 159 85 150 140 0 70 65 40 72 122 169 59 93 96 45 1889 0 524

25 40 12 0 5 15 5 6 9 10 32 0 0 0 21 6 6 24 42 12 110 103 0 37 20 515 10 102

37.5 0 7 0 9 6 0 0 0 0 42 0 0 0 6 6 0 6 30 6 21 23 11 6 0 179 0 22

50 0 0 1 3 0 0 0 0 3 23 0 0 2 0 0 0 4 6 0 37 18 0 6 6 109 3 7

277 volt transformers

KVA 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1994 1995 1997 1998 1999 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010

10 0 0 0 3 0 0 21 12 0 0 0 0 15 36 24 45 30 0 15 15 12 0 38 10 0 15 291 15 51

15 2 9 0 4 6 1 27 0 15 0 0 0 0 36 0 25 0 15 15 15 18 0 29 11 22 0 250 15 64

25 15 0 24 0 0 0 106 0 60 30 131 30 0 0 0 0 0 0 0 0 0 9 11 10 0 20 446 251 396

37.5 71 30 75 45 27 0 0 30 12 0 12 0 0 0 0 0 12 0 0 0 18 72 3 24 6 120 557 24 302

50 12 0 12 51 6 0 0 0 6 6 0 0 0 0 0 0 0 0 0 4 12 0 0 15 0 0 124 12 93

240/480 volt transformers

KVA 1993 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011

10 0 58 10 20 20 20 20 57 0 36 18 18 24 4 6 311 0 0

15 0 0 0 20 0 12 0 9 33 0 25 11 0 0 4 114 0 0

25 1 0 0 0 0 0 0 0 6 6 0 0 0 0 3 16 1 1

37.5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 0 0

50 0 0 0 0 0 0 0 0 12 0 0 0 3 3 0 18 0 0

7,173 331 Percentage 1,848 Percentage

STEEL CORE TRANSFORMERS STILL IN USE BY SECONDARY VOLTAGE Still in service Still in service Still in service Still in service

120/240 volt transformers Still in service 1990 through 1990 through 1982 through 1982 through

KVA 1982 1983 1984 1985 1986 1987 1988 1989 1990 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 Totals 1996 1996 1996 1996

10 0 0 22 80 72 38 46 10 0 128 188 100 377 108 223 142 127 116 235 149 80 0 35 25 2301 0 NA 268 NA

15 49 80 46 60 137 26 71 0 0 156 83 150 136 0 70 64 40 71 120 169 58 92 95 45 1818 0 NA 469 NA

25 40 11 0 3 14 4 6 9 9 31 0 0 0 20 6 5 24 41 12 110 103 0 37 20 505 9 90.00% 96 94.12%

37.5 0 6 0 9 6 0 0 0 0 41 0 0 0 6 6 0 6 30 6 21 23 11 5 0 176 0 NA 21 NA

50 0 0 1 3 0 0 0 0 2 21 0 0 2 0 0 0 4 6 0 37 18 0 6 6 106 66.67% 6 85.71%

277 volt transformers 2 NA NA

KVA 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1994 1995 1997 1998 1999 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 NA NA

10 0 0 0 3 0 0 21 8 0 0 0 0 14 36 24 44 30 0 15 15 12 0 37 10 0 15 284 14 93.33% 46 90.20%

15 2 5 0 4 5 1 27 0 15 0 0 0 0 36 0 25 0 15 15 15 18 0 28 11 22 0 244 15 100.00% 59 92.19%

25 13 0 23 0 0 0 104 0 60 29 130 29 0 0 0 0 0 0 0 0 0 9 11 10 0 20 438 248 98.80% 388 97.98%

37.5 68 16 74 44 26 0 0 29 10 0 12 0 0 0 0 0 11 0 0 0 18 72 3 24 6 120 533 22 91.67% 279 92.38%

50 12 0 11 49 6 0 0 0 5 6 0 0 0 0 0 0 0 0 0 4 12 0 0 15 0 0 120 11 91.67% 89 95.70%

240/480 volt transformers NA NA

KVA 1993 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 NA NA

10 0 56 10 20 20 20 20 57 0 34 18 18 24 4 6 307 0 NA 0 NA

15 0 0 0 19 0 11 0 9 31 0 25 11 0 0 4 110 0 NA 0 NA

25 1 0 0 0 0 0 0 0 6 6 0 0 0 0 3 16 1 NA 1 NA

37.5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 0 NA 0 NA

50 0 0 0 0 0 0 0 0 12 0 0 0 3 3 0 18 0 NA 0 NA

NA NA

6,978 322 97.28% 1,722 93.18%