Public Service Commission of Wisconsin. Utility Rates Division: Annual Reports of Utility Companies
1904-1997
- Public Service Commission of Wisconsin. Utility Rates Division
Series 1338; 1984/180; 1995/026; 2003/032; 2004/020; 2005/017; 2005/085; 2006/020; 2007/019; 2009/030; 2009/143; 2010/127; 2011/025; 2011/119; 2012/017; 2012/038; 2012/206; 2013/028; 2014/032; 2015/020; 2016/022; 2017/008; 2018/115
419.0 cubic feet (419 records center cartons) and 445 reels of microfilm (35 mm); plus additions of 185.3 cubic feet (184 records center cartons, 4 archives boxes, and 1 folder)
Wisconsin Historical Society
(Map)
Annual reports of electric, gas, electric railway, heating, telephone, water, and joint public utilities as required by Chapter 196, Wis. Stats., and Section PSC 1.01, Wis. Adm. Code. The reports filed with the Public Service Commission of Wisconsin show organization, operations, finances, physical plant statistics, and related information. The files for 1904-1906 consist of only one item for each year.
Reports for 1904-1930 are available only on microfilm.
Boxes 195-206 have been cut and prepared for filming but are not foldered. Care should be taken so that the original order is not destroyed.
There is a restriction on access to this material; see the Administrative/Restriction Information portion of this finding aid for details.
How to Find a Report
The PSC assigned file numbers to each utility and organized their records by that number. The PSC file number organization has been preserved in this records series. You can either contact the PSC for the file numbers or you can use the old PSC index (Series 1342). That index is only relatively reliable for the period before 1950. You may need more than one number to locate all the annual reports of a particular company. Before 1975, numbers 1-1000 were assigned to telephone companies, and utility company file numbers began at 1100. Decimal extensions to file numbers represent mergers or acquisitions.
The PSC changed its file numbering system in 1975 and discarded the old organization. While this new numbering system is generally how files are organized after 1965-1966 it is not consistent. In the new numbering system, numbers were assigned to companies in multiples of 10. Numbers between the multiples represents each new merger or acquisition. While this may sound confusing (and to some extent it is), the result is that you need to know all the file numbers for a particular company to find all of its possible locations.
Example A: Telephone Company: Company A is founded in 1907 and assigned file number 201. In 1975 it is assigned a new file number (700). In 1974, Company A is purchased by Company B (file number 2900), and reports for Company A are now assigned file number 2901 to reflect its subsidiary status to Company B. To locate reports for Company A for 1907 to 1959, see Series 1337, file number 201; reports for 1961 to 1975, see Series 1338, file numbers 201, 700, and 2901.
Example B: Utility Company: Company C is founded in 1907 and assigned file number 1601. In 1975 it is assigned a new file number 240. In 1974 Company C is purchased by Company D (file number 2270). To locate reports for company C for 1907 to 1959 see Series 1338, file number 1601; reports for 1960 to 1975 see Series 1338, file numbers 240, 1601, and 2771. Remember that decimal extensions to file numbers also indicate mergers or acquisitions.
English
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