# 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 199019911992 1993 19941995 1996 **TOTAL** 120/240 volt transformers 120/240 volt transformers **still in** 10 32 62 187 85 150 186 120 822 KVA 19901991 1992 1993 19941995 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 80691 **10** 19 47 135 84 146 143 74648 93.78% 25 0 16 20 24 0 15 50 125 **15** 10 25 127 85 30 220 0497 **15** 9 25 120 79 30 207 0470 94.57% 37.5 0 0 50 52 0 8 30 140 **25** 0 16 20 24 0 15 50125 **25** 0 16 20 23 0 15 49123 98.40% 50 0 0 0 0 27 0 40 67 **37.5** 0 0 12 12 0 8 032 **37.5** 0 0 12 12 0 8 032 100.00%

48 124 384 264 252 459 240Total 1771 **50** 0 0 0 0 15 0 015 **50** 0 0 0 0 15 0 015 100.00% 277 volt transformers 277 volt transformers KVA 19901991 1992 1993 19941995 1996 KVA 1990 1991 1992 1993 1994 1995 1996 **10** 12 12 40 0 0 27 40131 **10** 11 12 33 0 0 25 37118 90.08% KVA 199019911992 1993 19941995 1996 **TOTAL 15**  6 21 0 18 45 30 0120 **15** 6 19 0 18 45 29 0117 97.50% 10 30 59 168 84 146 168 111 766 **37.5** 0 0 38 40 0 0 30108 **37.5** 0 0 36 39 0 0 2398 90.74% 15 15 44 120 97 75 236 0 587

## Amorphous core **50** 0 0 0 0 12 0 3143 **50** 0 0 0 0 12 0 3143 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 223Total 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 19841985 1986198719881989 1990 1991 1992 1993 19941995 1997 1998199920002001200220032004 2005 200620072008 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 19841985 1986198719881989 1990 1991 1992 1993 19941995 1997 1998199920002001200220032004 2005 200620072008 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 19841985 1986198719881989 1990 1997 1998199920002001 2002 2003200420052006200720082009 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 19841985 1986198719881989 1990 1997 1998199920002001 2002 2003200420052006200720082009 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 19841985 1986198719881989 1990 1991 1992 19941995 1997 1998 1999200120022003200420052006 2007 200820092010 **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 1998199920002001200220032004 2005 2006 2007200820092010 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 

## 1,848Percentage **STEEL CORE TRANSFORMERS STILL IN USE BY SECONDARY VOLTAGE** Still in serviceStill in service Still in serviceStill in service 120/240 volt transformers Still in service1990 through1990 through 1982 through1982 through KVA 1982 1983 19841985 1986198719881989 1990 1997 1998199920002001 2002 2003200420052006200720082009 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 19841985 1986198719881989 1990 1991 1992 19941995 1997 1998 1999200120022003200420052006 2007 200820092010 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 1998199920002001200220032004 2005 2006 2007200820092010 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%**