As of 07/10/2017
Series 2551: Central Files. 1990-2009.
Public Utilities Staff (RG 136).
Central case files maintained on each utility case filed with the Public Service Commission. Includes copies of applications, petitions, pleadings, supporting data, maps and plats, transcripts of testimony, etc.
| 1965-UA-1021 – 1997-UA-0211 | 33633 |
| 1990-UA-0001 - 1990-UN-0229 | 30806 |
| 1990-UA-0308 - 1991-UA-0025 | 30808 |
| 1990-UN-0230 - 1990-UA-0302 | 30807 |
| 1991-UA-0026 - 1991-UN-0617 | 30809 |
| 1991-UA-0298 - 1991-UA-0402 | 30811 |
| 1991-UN-0170 - 1991-UA-0296 | 30810 |
| 1991-UN-0403 - 1992-UA-0044 | 30812 |
| 1992-UA-0112 - 1992-UN-0229 | 30818 |
| 1992-UA-0282 - 1992-UA-0370 | 30821 |
| 1992-UN-0045 - 1992-UA-0111 | 30817 |
| 1992-UN-0230 | 30819 |
| 1992-UN-0230 (cont.) - 1992-UN-0280 | 30820 |
| 1992-UN-0372 - 1992-UA-0439 | 30822 |
| 1992-UN-0440 - 1992-UA-0439 | 30823 |
| 1992-UN-0490 - 1993-UN-0016 | 30824 |
| 1993-UA-0019 - 1993-UN-0037 | 30825 |
| 1993-UA-0251 - 1993-UA-0301 | 30830 |
| 1993-UA-0318 - 1993-UA-0401 | 30832 |
| 1993-UA-0402 - 1993-UN-0480 | 30833 |
| 1993-UA-301 (cont.) - 1993-UN-0315 | 30831 |
| 1993-UN-0038 - 1993-UA-0059 | 30826 |
| 1993-UN-0060 - 1993-UN-0160 | 30828 |
| 1993-UN-0161 - 1993-UA-0248 | 30829 |
| 1993-UN-0483 - 1993-UN-0542 | 30834 |
| 1993-UN-0543 - 1994-UN-0042 | 30835 |
| 1994-UA-0047 - 1994-UN-0118 | 30836 |
| 1994-UA-0134 - 1994-UN-0228 | 30837 |
| 1994-UA-0337 - 1994-UA-0405 | 30840 |
| 1994-UA-0406 - 1994-UA-0535 | 30841 |
| 1994-UA-0536 | 30843 |
| 1994-UA-0734 - 1994-UA-0781 | 30846 |
| 1994-UN-0228 (cont.) - 1994-UN-0288 | 30838 |
| 1994-UN-0289 - 1994-UN-0336 | 30839 |
| 1994-UN-0537 - 1994-UN-0625 | 30844 |
| 1994-UN-0626 - 1994-UN-0732 | 30845 |
| 1994-UN-0782 - 1995-UN-0047 | 30847 |
| 1995-UA-0342 - 1995-UA-0358 | 30852 |
| 1995-UA-0358 (cont.) - 1995-UN-0415 | 30853 |
| 1995-UN-0050 - 1995-UN-0145 | 30848 |
| 1995-UN-0146 - 1995-UA-0244 | 30849 |
| 1995-UN-0246 - 1995-UA-0301 | 30850 |
| 1995-UN-0302 - 1995-UA-0341 | 30851 |
| 1995-UN-0416 - 1995-UN-0477 | 30854 |
| 1995-UN-0478 - 1996-UA-0358 | 30855 |
| 1996-UA-0120 - 1996-UN-0201 | 30857 |
| 1996-UA-0202 | 30858 |
| 1996-UA-0389 (cont.) | 30865 |
| 1996-UA-0389 (cont.) - 1996-UA-0437 | 30866 |
| 1996-UA-0438 - 1996-UA-0504 | 30867 |
| 1996-UN-0030 - 1996-UA-0119 | 30856 |
| 1996-UN-0202 (cont.) | 30860 |
| 1996-UN-0202 (cont.) | 30859 |
| 1996-UN-0203 - 1996-UN-280 | 30861 |
| 1996-UN-0281 - 1996-UN-0349 | 30862 |
| 1996-UN-0350 - 1996-UN-0375 | 30863 |
| 1996-UN-0376 - 1996-UN-0389 | 30864 |
| 1996-UN-0505 - 1996-UN-0574 | 30868 |
| 1996-UN-0575 - 1996-UN-0657 | 30869 |
| 1997-AD-0479 - 1997-UN-0543 | 30876 |
| 1997-UA-0067 - 1997-UN-0148 | 30871 |
| 1997-UA-0313 - 1997-UN-0388 | 30874 |
| 1997-UA-0544 | 30877 |
| 1997-UA-0544 (cont.) | 30879 |
| 1997-UA-0544 (cont.) | 30880 |
| 1997-UA-0544 (cont.) | 30881 |
| 1997-UA-0544 (cont.) | 30878 |
| 1997-UA-0544 (cont.) | 30882 |
| 1997-UA-0544 (cont.) | 30884 |
| 1997-UA-0544 (cont.) | 30883 |
| 1997-UA-0544 (cont.) - 1997-UN-0558 | 30885 |
| 1997-UA-0559 - 1997-UA-0664 | 30886 |
| 1997-UA-0665 - 1997-UN-0868 | 30887 |
| 1997-UN-0001 - 1997-UN-0065 | 30870 |
| 1997-UN-0149 - 1997-UN-0222 | 30872 |
| 1997-UN-0223 - 1997-UN-0312 | 30873 |
| 1997-UN-0389 - 1997-UN-0478 | 30875 |
| 1997-AD-0249 - 1998-AD-0352 | 33634 |
| 1998-AD-0090 - 1998-UN-0265 | 30889 |
| 1998-UA-0266 - 1998-UA-0448 | 30890 |
| 1998-UA-0492 - 1998-UA-0635 | 30891 |
| 1998-UA-0636 - 1998-UN-0711 | 30892 |
| 1998-UA-0712 - 1998-UN-0901 | 30893 |
| 1998-UN-0001 - 1998-UA-0089 | 30888 |
| 1998-UN-0902 - 1999-UN-0174 | 30894 |
| 1998-AD-0430 - 1999-AD-0237 | 33635 |
| 1999-AD-0265 - 1999-AD-0330 | 33636 |
| 1999-AD-0330 - 1999-AD-0378 | 33637 |
| 1999-AD-0310 | 30896 |
| 1999-AD-0378 - 1999-AD-0547 | 33638 |
| 1999-AD-0547 - 1999-AD-0966 | 33639 |
| 1999-AD-0483 - 1999-UN-0666 | 30898 |
| 1999-UA-0311 - 1999-AD-0482 | 30897 |
| 1999-UN-0175 - 1999-UN-0308 | 30895 |
| 1999-UN-0667 - 1999-UN-0857 | 30899 |
| 1999-AD-0687 - 2000-AD-0005 | 33640 |
| 1999-UN-0860 - 2000-UN-0047 | 30900 |
| 2000-AD-0005 - 2000-AD-0797 | 33641 |
| 2000-AD-0382 - 2000-UN-0580 | 30903 |
| 2000-AD-0582 - 2000-UN-0765 | 30904 |
| 2000-UA-0048 - 2000-UN-0177 | 30901 |
| 2000-UA-0767 - 2000-UN-0884 | 30905 |
| 2000-UN-0178 - 2000-UN-0381 | 30902 |
| 2000-UN-0885 - 2000-UN-1034 | 30906 |
| 2000-UN-1035 - 2001-UN-0137 | 30907 |
| 2001-AD-0138 - 2001-UN-0329 | 30908 |
| 2001-AD-0549 - 2001-UN-0697 | 30912 |
| 2001-UN-0330 - 2001-UN-0492 | 30909 |
| 2001-UN-0493 - 2001-UN-0548 | 30910 |
| 2001-UN-0548 (cont.) | 30911 |
| 2001-UN-0698 - 2001-AD-0887 | 30913 |
| 2003-UN-0898 – 2006-UN-0054 | 33642 |
| 2008-AD-0270 – 2009-AD-0347 | 33643 |
| Oversize maps | 30914 |
| Oversize maps | 30842 |
| Oversize maps | 30827 |
| Oversize maps | 30805 |
| Oversize maps | 30804 |
| Oversize maps (loose) | |
| Oversize maps (loose) | |
