Opened in 1912, equipped for DC 1913, rotary converters 25 hertz.
Served surface and elevated lines.
Originally installed 1 4,000 kilowatt rotary converter, total 4,000 kilowatts.
1914 added 1 4,000 kilowatt rotary converters, total 8,000 kilowatts.
Modernized 1965 with rectifiers 60 hertz.
Replaced around 1980's by new CTA substation immediately south.
Equipped for DC 1913, rotary converters 25 hertz.
Served surface and elevated lines.
Originally installed 1 4,000 kilowatt rotary converter, total 4,000 kilowatts.
Modernized 1969 with rectifiers 60 hertz
Still a CTA substation.
Opened/equipped for DC 1914, rotary converters 25 hertz.
Served surface and elevated lines.
Originally installed 4 4,000 kilowatt rotary converters, total 16,000 kilowatts.
Modernized around early 1970's with rectifiers 60 hertz
Still a CTA substation, obscured by new hospital construction.
Opened/equipped for DC 1914, rotary converters 25 hertz.
Served surface and elevated lines.
Originally installed 3 4,000 kilowatt rotary converters, total 12,000 kilowatts.
Modernized 1967 with rectifiers 60 hertz.
Replaced by new substation immediately west.
Building sold 1976, remains standing, in use as art studio.
Opened in 1916, equipped for DC 1917, rotary converters 60 hertz.
Served surface and elevated lines.
Originally installed 1 4,000 kilowatt rotary converter, total 4,000 kilowatts.
Remains a Commonwealth Edison substation
Replaced around mid 1970's by separate CTA substation immediately northeast.
Equipped for DC 1928, rectifiers 60 hertz.
Served surface and elevated lines.
Remains a Commonwealth Edison substation
Replaced around mid 1970's by Springfield substation.
Equipped for DC originally for elevated lines, rotary converters 25 hertz.
Served surface and elevated lines.
Began serving surface lines 1928.
Originally installed 1 3,000 kilowatt rotary converter, total 3,000 kilowatts.
Replaced 1972 by Clark substation.
Remains a Commonwealth Edison substation, decommissioned as CTA substation in 1974.
Equipped for DC 1930, rectifiers 60 hertz.
Served surface lines only.
Primarily fed trolleybus lines, 1930 to 1973.
Remains a Commonwealth Edison substation, decommissioned as CTA substation.
Equipped for DC 1932, rectifiers 60 hertz.
Served surface and elevated lines.
Building demolished around 1960's.
New Kedzie substation further west constructed around late 1970's.