PECO Energy Company
American energy company; subsidiary of Exelon

PECO, formerly the Philadelphia Electric Company, is an energy company founded in 1881 and incorporated in 1929. It became part of Exelon Corporation in 2000 when it merged with Commonwealth Edison's holding company Unicom Corp.
The company has approximately 2,300 employees; its call center and field craft personnel are members of IBEW Local 614. PECO serves about 1.6 million electric and over 511,000 natural gas customers; it is the largest combination utility in Pennsylvania, and has a franchise utility service area of 2,100 square miles (5,400 km2) with a population of 3.8 million people.
Electricity and natural gas
PECO operates in southeastern Pennsylvania and provides electricity to about 1.6 million customers and natural gas to over 511,000 customers. The company's electric service area covers all of the city of Philadelphia and Delaware County; most of Bucks, Chester, and Montgomery counties; and the southeastern corner of York County. The company's natural gas service area covers all of Delaware County; most of Bucks, Chester, and Montgomery counties; and a small portion of eastern Lancaster County.
PECO formerly provided electricity to 35,000 customers in portions of Cecil and Harford counties in Maryland through subsidiary Conowingo Power Company. On June 19, 1995, Delmarva Power acquired the Conowingo Power Company service area from PECO.
PECO's distribution line voltages are 2,400/4,160 volts wye and 7,620/13,200 volts wye. Subtransmission voltages are 34,500 volts and 69,000 volts.
“PECO Energy Company” enters the record as american energy company; subsidiary of Exelon. Crown Archives preserves that source wording while asking what PECO, Energy and Company can confirm, complicate or overturn.
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Contemporary correspondence, administrative files and participant testimony can test how later narratives organized the event or institution. The source revision retrieved here is dated Aug 4, 2026. The linked authority identifier is Q7118900. VIAF identifies the subject as 147452219. The Library of Congress control number is no97045086. 3 of 5 selected statements include explicit references; 2 carry qualifiers and 1 use preferred rank. The first chronological checks are 1881, 1929, 2000 and 1995.
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This entry incorporates text from “PECO Energy Company” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.