{"cik":"0000030573","entityType":"operating","sic":"4911","sicDescription":"Electric Services","ownerOrg":null,"insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":1,"name":"DUQUESNE LIGHT CO","tickers":[],"exchanges":[],"ein":"250451600","lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1231","stateOfIncorporation":"PA","stateOfIncorporationDescription":"PA","addresses":{"mailing":{"street1":null,"street2":null,"city":null,"stateOrCountry":null,"zipCode":null,"stateOrCountryDescription":null,"isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"411 SEVENTH AVENUE (15-040)","street2":"P O BOX 1930","city":"PITTSBURGH","stateOrCountry":"PA","zipCode":"15219","stateOrCountryDescription":"PA","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"4123936000","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0000876661-08-000075","0001193125-07-132606","0000876661-07-000518","0000876661-07-000516","0000876661-07-000512","0000876661-07-000510","0000876661-07-000508","0000876661-07-000506","0000876661-07-000504","9999999995-07-002189","0001193125-07-127961","0001193125-07-125589","0001193125-07-119392","0001193125-07-110067","0001193125-07-105907","0001193125-07-099667","0001215572-07-000007","0001215572-07-000005","0001215572-07-000003","0001215572-07-000001","0001193125-07-048110","0001193125-07-044336","0001193125-07-036709","0001193125-07-033122","0001104659-07-001229","0001193125-07-002274","0001193125-07-000968","0000950152-06-009126","0000950152-06-008761","0000950152-06-008072","0000950152-06-007636","0000950152-06-006890","0000950152-06-006772","0000950152-06-004238","0000950152-06-004197","0000950152-06-003293","0000950152-06-001802","0000846930-06-000006","0000950152-06-001090","0000846930-06-000004","0001193125-05-219713","0001006882-05-000005","0001193125-05-213895","0001193125-05-162449","0001193125-05-160175","0001193125-05-152709","0001193125-05-139200","0001193125-05-129624","0001193125-05-118729","0001193125-05-111051","0001193125-05-102574","0001193125-05-098464","0001193125-05-075438","0001193125-05-061994","0001193125-05-060538","0001193125-05-060481","0001193125-05-060462","0001193125-05-060313","0001193125-05-052211","0001193125-05-042692","0001193125-05-035047","0001193125-05-015912","0001193125-04-190659","0001193125-04-179281","0001193125-04-176769","0001193125-04-167444","0001193125-04-159211","0001193125-04-135680","0001193125-04-110327","0001047469-04-016865","0001104659-04-013711","0001047469-04-016715","0001193125-04-082744","9999999997-04-018863","0001047469-04-011859","0001047469-04-011801","0001047469-04-011794","0001047469-04-011775","0001047469-04-010259","0001193125-04-046972","0001193125-04-041689","0001047469-04-004851","0001193125-04-011715","0001193125-03-081301","9999999997-03-033590","0001193125-03-037451","0000846930-03-000008","0001193125-03-013857","9999999997-03-036600","0001021408-03-007849","0000950132-03-000026","0000950132-02-000267","0000950132-02-000204","0001021408-02-007818","0000950132-02-000146","0000950120-02-000268","0000950120-02-000256","9999999997-02-026545","0000950120-02-000248","0000950120-02-000242","0000950120-02-000239","0000950120-02-000212","0000950120-02-000207","0000927016-02-001927","0000950120-02-000193","0000950132-02-000066","0000927016-02-001041","0000950132-01-500397","0000950132-01-500351","0000950120-01-500234","0000950132-01-500329","0000950132-01-500275","0000950132-01-500079","0000950132-00-000846","0000950132-00-000807","0000950132-00-000667","0000950132-00-000461","0000950132-00-000442","0000950132-00-000408","0000950132-00-000400","0000950132-00-000220","0000950132-99-001063","0000950132-99-001044","0000950132-99-001025","0000950132-99-001000","0000950172-99-001320","0000950132-99-000773","0000950132-99-000482","0000950172-99-000319","0000950132-99-000295","0000950132-99-000242","0000950132-98-000900","0001021408-98-000738","0000950132-98-000768","0000950132-98-000646","0000950132-98-000565","0000950132-98-000508","0000950132-98-000476","0000950120-98-000172","0000950120-98-000153","0000950120-98-000146","0000950132-98-000336","0000950120-98-000123","0000950132-98-000260","0000950120-98-000062","0000950132-97-000818","0000950132-97-000629","0000950132-97-000433","0000950132-97-000233","0000950132-96-000713","0000950120-96-000232","0000950132-96-000508","0000950132-96-000313","0000950132-96-000277","0000950120-96-000068","0000950120-96-000066","0000950132-96-000198","0000021847-96-000020","0000950132-95-000485","0000950132-95-000451","0000950132-95-000308","0000950109-95-001997","0000950132-95-000158","0000950132-95-000112","0000030573-94-000021","0000030573-94-000020","0000030573-94-000018","0000030573-94-000016","0000030573-94-000013","0000030573-94-000012","0000950120-94-000038","0000030573-94-000009","0000950120-94-000025","0000030573-94-000006","0000732823-94-000011"],"filingDate":["2008-02-11","2007-06-08","2007-06-08","2007-06-08","2007-06-08","2007-06-08","2007-06-08","2007-06-08","2007-06-08","2007-06-04","2007-06-01","2007-05-30","2007-05-21","2007-05-10","2007-05-08","2007-05-02","2007-04-03","2007-04-03","2007-04-03","2007-04-03","2007-03-07","2007-03-01","2007-02-22","2007-02-15","2007-01-08","2007-01-05","2007-01-04","2006-11-09","2006-11-03","2006-10-10","2006-09-15","2006-08-11","2006-08-09","2006-05-10","2006-05-10","2006-04-19","2006-03-07","2006-02-28","2006-02-14","2006-02-02","2005-11-08","2005-11-04","2005-11-02","2005-08-09","2005-08-08","2005-07-29","2005-07-08","2005-06-23","2005-06-02","2005-05-19","2005-05-10","2005-05-06","2005-04-13","2005-03-28","2005-03-25","2005-03-25","2005-03-25","2005-03-25","2005-03-16","2005-03-04","2005-02-23","2005-02-01","2004-11-09","2004-10-27","2004-10-25","2004-10-06","2004-09-21","2004-08-09","2004-06-28","2004-05-11","2004-05-11","2004-05-11","2004-05-10","2004-04-16","2004-04-14","2004-04-13","2004-04-13","2004-04-13","2004-03-31","2004-03-23","2004-03-15","2004-02-18","2004-01-30","2003-11-14","2003-08-19","2003-08-14","2003-08-06","2003-06-27","2003-06-02","2003-05-15","2003-03-26","2002-11-14","2002-08-14","2002-05-30","2002-05-15","2002-05-10","2002-04-29","2002-04-26","2002-04-26","2002-04-24","2002-04-23","2002-04-10","2002-04-09","2002-04-05","2002-03-29","2002-03-28","2002-02-19","2001-12-20","2001-11-09","2001-10-29","2001-08-14","2001-05-15","2001-03-26","2000-11-14","2000-11-09","2000-08-14","2000-06-14","2000-05-23","2000-05-15","2000-05-12","2000-03-29","1999-12-27","1999-12-20","1999-12-08","1999-11-15","1999-09-29","1999-08-16","1999-05-11","1999-03-26","1999-03-26","1999-03-19","1998-11-16","1998-10-15","1998-10-05","1998-08-14","1998-07-28","1998-06-12","1998-05-15","1998-04-27","1998-04-21","1998-04-17","1998-04-08","1998-04-03","1998-03-24","1998-02-25","1997-11-14","1997-08-14","1997-05-15","1997-03-27","1996-11-14","1996-10-21","1996-08-14","1996-05-15","1996-05-13","1996-05-09","1996-05-06","1996-03-29","1996-02-12","1995-12-04","1995-11-13","1995-08-14","1995-05-22","1995-05-11","1995-03-30","1994-12-19","1994-12-15","1994-11-09","1994-09-22","1994-08-22","1994-08-12","1994-07-08","1994-05-11","1994-05-10","1994-03-29","1994-02-09"],"reportDate":["","","","","","","","","","","2007-05-31","","2007-05-16","2007-03-31","2007-05-07","2007-04-26","2007-04-01","2007-04-01","2007-04-01","2007-04-01","2007-03-01","2006-12-31","2007-02-22","2007-02-09","2007-01-03","2007-01-03","2006-10-13","2006-09-30","2006-11-03","2006-10-05","2006-09-14","2006-08-09","2006-06-30","2006-03-31","2006-05-10","2006-04-19","2005-12-31","2006-02-22","2006-02-14","2006-01-31","2005-09-30","2005-10-31","2005-11-02","2005-06-30","2005-08-08","2005-07-27","2005-07-08","2005-06-23","2005-06-02","2005-05-19","2005-03-31","2005-05-06","2005-04-13","2004-12-31","2004-09-30","2004-06-30","2004-03-31","2003-12-31","2004-12-31","2005-02-28","2005-02-17","2005-01-31","2004-09-30","2004-10-25","2004-10-25","2004-09-30","2004-09-15","2004-06-30","2003-12-31","","2004-05-10","","2004-03-31","","","","2004-04-13","","","2004-03-23","2003-12-31","","2004-01-29","2003-09-30","","2003-06-30","2003-08-01","2002-12-31","","2003-03-31","2002-12-31","2002-09-30","2002-06-30","2002-05-28","2002-03-31","","","","","","2002-04-23","","","2002-04-03","","2001-12-31","2002-01-31","2001-12-18","2001-09-30","","2001-06-30","2001-03-31","2000-12-31","2000-09-30","2000-11-09","2000-06-30","2000-06-14","2000-05-17","2000-03-31","2000-04-28","1999-12-31","1999-12-24","1999-12-03","1999-12-03","1999-09-30","1999-09-24","1999-06-30","1999-03-31","1999-03-25","1998-12-31","1999-03-11","1998-09-30","1998-10-14","1998-10-05","1998-06-30","1998-07-28","1998-05-29","1998-03-31","","","1998-04-13","1998-03-25","","1997-12-31","","1997-09-30","1997-06-30","1997-03-31","1996-12-31","1996-09-30","","1996-06-30","1996-03-31","1996-05-13","","","1995-12-31","","1995-11-29","1995-09-30","1995-06-30","1995-05-16","1995-03-31","1994-12-31","1994-09-30","1994-11-29","1994-09-30","1994-09-22","1994-08-22","1994-06-30","","1994-03-31","","1993-12-31",""],"acceptanceDateTime":["2008-02-11T20:51:32.000Z","2007-06-08T20:36:13.000Z","2007-06-08T20:20:18.000Z","2007-06-08T20:09:04.000Z","2007-06-08T19:59:20.000Z","2007-06-08T19:53:42.000Z","2007-06-08T19:47:31.000Z","2007-06-08T19:42:17.000Z","2007-06-08T19:21:07.000Z","2007-06-05T04:15:14.000Z","2007-06-01T20:03:01.000Z","2007-05-30T17:14:01.000Z","2007-05-21T16:16:46.000Z","2007-05-10T19:21:29.000Z","2007-05-08T19:11:40.000Z","2007-05-02T21:08:50.000Z","2007-04-03T15:17:00.000Z","2007-04-03T14:29:11.000Z","2007-04-03T14:05:46.000Z","2007-04-03T13:46:12.000Z","2007-03-07T17:02:41.000Z","2007-03-01T20:56:59.000Z","2007-02-22T15:36:41.000Z","2007-02-15T22:01:27.000Z","2007-01-08T20:19:04.000Z","2007-01-05T22:03:30.000Z","2007-01-04T02:42:54.000Z","2006-11-09T19:52:48.000Z","2006-11-03T15:24:11.000Z","2006-10-10T20:09:55.000Z","2006-09-15T14:55:43.000Z","2006-08-11T19:08:36.000Z","2006-08-09T20:03:21.000Z","2006-05-10T18:59:09.000Z","2006-05-10T13:21:22.000Z","2006-04-19T15:43:49.000Z","2006-03-07T21:59:56.000Z","2006-02-28T21:07:47.000Z","2006-02-14T14:44:49.000Z","2006-02-02T19:39:10.000Z","2005-11-08T20:28:54.000Z","2005-11-04T14:29:23.000Z","2005-11-02T14:31:51.000Z","2005-08-09T19:09:07.000Z","2005-08-08T15:10:32.000Z","2005-07-29T20:17:29.000Z","2005-07-08T11:02:38.000Z","2005-06-23T11:07:35.000Z","2005-06-02T10:48:29.000Z","2005-05-19T10:48:25.000Z","2005-05-10T19:01:14.000Z","2005-05-06T13:27:26.000Z","2005-04-13T16:23:20.000Z","2005-03-28T21:13:16.000Z","2005-03-25T15:29:32.000Z","2005-03-25T14:59:08.000Z","2005-03-25T14:47:38.000Z","2005-03-25T13:14:03.000Z","2005-03-16T16:14:32.000Z","2005-03-04T20:45:14.000Z","2005-02-23T20:00:05.000Z","2005-02-01T14:11:35.000Z","2004-11-09T16:01:19.000Z","2004-10-27T19:28:28.000Z","2004-10-25T12:48:38.000Z","2004-10-06T17:06:12.000Z","2004-09-21T14:38:20.000Z","2004-08-09T18:25:15.000Z","2004-06-28T20:34:09.000Z","2004-05-11T21:26:36.000Z","2004-05-11T17:03:07.000Z","2004-05-10T22:40:33.000Z","2004-05-10T10:11:21.000Z","2004-04-20T12:06:51.000Z","2004-04-14T01:46:39.000Z","2004-04-13T20:19:54.000Z","2004-04-13T20:01:19.000Z","2004-04-13T18:15:19.000Z","2004-03-31T20:52:21.000Z","2004-03-23T14:49:08.000Z","2004-03-15T15:51:45.000Z","2004-02-18T17:54:20.000Z","2004-01-30T14:44:47.000Z","2003-11-14T16:03:11.000Z","2003-08-26T19:41:30.000Z","2003-08-14T16:30:08.000Z","2003-08-06T20:05:01.000Z","2003-06-27T15:18:55.000Z","2003-09-25T15:32:41.000Z","2003-05-15T14:59:53.000Z","2003-03-26T21:19:24.000Z","2002-11-14T21:44:51.000Z","2002-08-14T18:55:53.000Z","2002-05-30T20:21:14.000Z","2002-05-15T16:55:48.000Z","2002-05-10T19:22:28.000Z","2002-04-29T21:25:05.000Z","2002-05-07T13:16:54.000Z","2002-04-26T04:00:00.000Z","2002-04-24T04:00:00.000Z","2002-04-23T04:00:00.000Z","2002-04-10T04:00:00.000Z","2002-04-09T04:00:00.000Z","2002-04-05T05:00:00.000Z","2002-03-29T05:00:00.000Z","2002-03-28T05:00:00.000Z","2002-02-19T05:00:00.000Z","2001-12-20T05:00:00.000Z","2001-11-09T05:00:00.000Z","2001-10-29T05:00:00.000Z","2001-08-14T04:00:00.000Z","2001-05-15T04:00:00.000Z","2001-03-26T05:00:00.000Z","2000-11-14T05:00:00.000Z","2000-11-09T05:00:00.000Z","2000-08-14T04:00:00.000Z","2000-06-14T04:00:00.000Z","2000-05-23T04:00:00.000Z","2000-05-15T04:00:00.000Z","2000-05-12T04:00:00.000Z","2000-03-29T05:00:00.000Z","1999-12-27T05:00:00.000Z","1999-12-20T05:00:00.000Z","1999-12-08T05:00:00.000Z","1999-11-15T05:00:00.000Z","1999-09-29T04:00:00.000Z","1999-08-16T04:00:00.000Z","1999-05-11T04:00:00.000Z","1999-03-26T05:00:00.000Z","1999-03-26T05:00:00.000Z","1999-03-19T05:00:00.000Z","1998-11-16T05:00:00.000Z","1998-10-15T04:00:00.000Z","1998-10-05T04:00:00.000Z","1998-08-14T04:00:00.000Z","1998-07-28T04:00:00.000Z","1998-06-12T04:00:00.000Z","1998-05-15T04:00:00.000Z","1998-04-27T04:00:00.000Z","1998-04-21T04:00:00.000Z","1998-04-17T04:00:00.000Z","1998-04-08T04:00:00.000Z","1998-04-03T05:00:00.000Z","1998-03-24T05:00:00.000Z","1998-02-25T05:00:00.000Z","1997-11-14T05:00:00.000Z","1997-08-14T04:00:00.000Z","1997-05-15T04:00:00.000Z","1997-03-27T05:00:00.000Z","1996-11-14T05:00:00.000Z","1996-10-21T04:00:00.000Z","1996-08-14T04:00:00.000Z","1996-05-15T04:00:00.000Z","1996-05-13T04:00:00.000Z","1996-05-09T04:00:00.000Z","1996-05-06T04:00:00.000Z","1996-03-29T05:00:00.000Z","1996-02-12T05:00:00.000Z","1995-12-04T05:00:00.000Z","1995-11-13T05:00:00.000Z","1995-08-14T04:00:00.000Z","1995-05-22T04:00:00.000Z","1995-05-11T04:00:00.000Z","1995-03-30T05:00:00.000Z","1994-12-19T05:00:00.000Z","1994-12-15T05:00:00.000Z","1994-11-09T05:00:00.000Z","1994-09-22T04:00:00.000Z","1994-08-22T04:00:00.000Z","1994-08-12T04:00:00.000Z","1994-07-08T04:00:00.000Z","1994-05-11T04:00:00.000Z","1994-05-10T04:00:00.000Z","1994-03-29T05:00:00.000Z","1994-02-09T05:00:00.000Z"],"act":["34","34","34","34","34","34","34","34","34","33","34","33","34","34","34","34","","","","","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","",""],"form":["25-NSE","15-12B","25-NSE","25-NSE","25-NSE","25-NSE","25-NSE","25-NSE","25-NSE","EFFECT","8-K","POS AM","8-K","10-Q","8-K","8-K","4","4","4","4","8-K","10-K","8-K","8-K","8-K","8-K","8-K","10-Q","8-K","8-K","8-K","8-K","10-Q","10-Q","8-K","8-K","10-K","8-K","8-K","8-K","10-Q","3","8-K","10-Q","8-K","8-K","8-K","8-K","8-K","8-K","10-Q","8-K","8-K","10-K","10-Q/A","10-Q/A","10-Q/A","10-K/A","NT 10-K","8-K","8-K","8-K","10-Q","8-K","8-K","8-K","8-K","10-Q","11-K","424B5","8-K","424B5","10-Q","CERTNYS","424B5","8-A12B","8-K","424B5","S-3/A","8-K","10-K","S-3","8-K","10-Q","25","10-Q","3","11-K","25","10-Q","10-K","10-Q","10-Q","8-K","10-Q","POS EX","8-A12B","CERTNYS","424B5","424B2","8-K","424B2","424B2","8-K","S-3/A","10-K","8-K","8-K","10-Q","S-3","10-Q","10-Q","10-K","10-Q","8-K","10-Q","8-K","8-K","10-Q","8-K","10-K","8-K","8-K","8-K","10-Q","8-K","10-Q","10-Q","8-K","10-K405","8-K","10-Q","8-K","8-K","10-Q","8-K","8-K","10-Q","424B5","424B5","8-K","8-K","8-A12B","10-K","424B5","10-Q","10-Q","10-Q","10-K","10-Q","S-3/A","10-Q","10-Q","8-K","424B5","424B3","10-K","SC 13G/A","8-K","10-Q","10-Q","8-K","10-Q","10-K","10-Q/A","8-K","10-Q","8-K","8-K","10-Q","S-3/A","10-Q","S-3","10-K","SC 13G"],"fileNumber":["001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","333-112929","001-00956","333-112929","001-00956","001-00956","001-00956","001-00956","","","","","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","333-112929","001-00956","333-112929","001-00956","001-00956","333-112929","001-00956","001-00956","333-112929","333-112929","001-00956","001-00956","333-112929","001-00956","001-00956","001-00956","001-00956","","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","333-72408","001-00956","001-00956","333-72408","333-72408","001-00956","333-72408","333-72408","001-00956","333-72408","001-00956","001-00956","001-00956","001-00956","333-72408","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","033-63602","033-63602","001-00956","001-00956","001-00956","001-00956","033-52782","001-00956","001-00956","001-00956","001-00956","001-00956","033-32026","001-00956","001-00956","001-00956","033-53563","033-53563","001-00956","005-07292","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","001-00956","033-53563","001-00956","033-53563","001-00956","005-07292"],"filmNumber":["08593414","07910179","07909982","07909891","07909807","07909764","07909720","07909687","07909544","07899281","07894335","07886504","07866935","07837301","07827874","07811614","","","","","07676943","07663338","07640784","07628225","07517448","07514828","07506939","061201529","061185061","061137940","061092478","061024607","061017592","06825467","06823542","06766387","06670700","06651055","06607573","06573073","051186167","","051171598","051009380","051004783","05985060","05944583","05911332","05872093","05843237","05816002","05805581","05747832","05706820","05703716","05703663","05703642","05703525","05683866","05661258","05634038","05563935","041127863","041099417","041092968","041067791","041038551","04960703","04885304","04797235","04795638","04794616","04790875","04020729","04731625","04730753","04730655","04730315","04705957","04683841","04668089","04612495","04554217","031001235","03026946","03844978","","03759968","03031788","03701811","03618496","02825592","02735175","02666431","02650027","02641665","02625350","02029469","02623428","02620025","02618719","02606994","02605431","02602979","02594361","02590776","02552994","1818131","1779958","1769182","1708301","1635713","1578670","765667","756646","698218","654743","642033","633923","629384","582767","99780514","99777432","99770708","99752344","99720073","99690366","99616764","99573940","99574357","99568643","98751369","98725889","98720775","98689214","98672526","98647039","98623783","98601868","98597828","98596757","98589439","98587412","98571758","98548726","97718517","97660867","97606603","97566006","96666460","96645802","96611791","96566898","96560883","96558425","96556895","96541442","96515473","95598960","95590940","95562825","95541554","95536508","95524728","94565307","94564851","94558233","94549858","94545304","94543286","94538346","94527223","94526848","94518522","94505470"],"items":["","","","","","","","","","POS AM,0001193125-07-125589,2007-06-04","1.01,1.02,2.03,5.01,5.02,5.03,9.01","","5.02","","2.02,9.01","1.01","","","","","5.02","","2.02,9.01","1.01,9.01","2.03","5.02","8.01","","2.02,9.01","1.01,9.01","1.01,9.01","2.02,3.02,9.01","","","2.02,9.01","7.01,9.01","","1.01","2.02,9.01","1.01,2.03","","","2.02,9.01","","2.02,9.01","1.01,2.03","7.01","7.01","7.01","7.01","","2.02,9.01","7.01","","","","","","","4.02","1.01","2.02,9.01","","2.02,9.01","7.01,9.01","1.02","2.03","","","","5,7","","","","","","5,7","","","9","","","12","","","","","","","","","","","5,7","","","","","","","5,7","","","5,7","","","5,7","5,7","","","","","","","7,9","","5","5","","2,7","","5,7","2,7","5","","5,7","","","5,7","","5","","5,7","5,7","","5,7","5","","","","5,7","5","","","","","","","","","","","","7","","","","","5,7","","","5,7","","","","1","","1","1","","","","","",""],"core_type":["25-NSE","15-12B","25-NSE","25-NSE","25-NSE","25-NSE","25-NSE","25-NSE","25-NSE","EFFECT","8-K","POS AM","8-K","10-Q","8-K","8-K","4","4","4","4","8-K","10-K","8-K","8-K","8-K","8-K","8-K","10-Q","8-K","8-K","8-K","8-K","10-Q","10-Q","8-K","8-K","10-K","8-K","8-K","8-K","10-Q","3","8-K","10-Q","8-K","8-K","8-K","8-K","8-K","8-K","10-Q","8-K","8-K","10-K","10-Q/A","10-Q/A","10-Q/A","10-K/A","NT 10-K","8-K","8-K","8-K","10-Q","8-K","8-K","8-K","8-K","10-Q","11-K","424B5","8-K","424B5","10-Q","CERTNYS","424B5","8-A12B","8-K","424B5","S-3/A","8-K","10-K","S-3","8-K","10-Q","25","10-Q","3","11-K","25","10-Q","10-K","10-Q","10-Q","8-K","10-Q","POS EX","8-A12B","CERTNYS","424B5","424B2","8-K","424B2","424B2","8-K","S-3/A","10-K","8-K","8-K","10-Q","S-3","10-Q","10-Q","10-K","10-Q","8-K","10-Q","8-K","8-K","10-Q","8-K","10-K","8-K","8-K","8-K","10-Q","8-K","10-Q","10-Q","8-K","10-K405","8-K","10-Q","8-K","8-K","10-Q","8-K","8-K","10-Q","424B5","424B5","8-K","8-K","8-A12B","10-K","424B5","10-Q","10-Q","10-Q","10-K","10-Q","S-3/A","10-Q","10-Q","8-K","424B5","424B3","10-K","SC 13G/A","8-K","10-Q","10-Q","8-K","10-Q","10-K","10-Q/A","8-K","10-Q","8-K","8-K","10-Q","S-3/A","10-Q","S-3","10-K","SC 13G"],"size":[3943,16366,6352,6377,6352,6352,6349,6351,6367,2004,41672,17396,18772,853015,132472,19114,5194,5156,4992,4970,16580,2548612,227326,146710,25804,16241,19094,616922,135242,32790,97394,164501,602059,459496,82873,424457,1455244,4893,60168,5038,1056004,3306,110367,1875954,96929,21398,47092,47100,47150,28712,706309,74076,27556,4143553,912903,921287,699205,1906729,107653,18561,20979,136021,945086,124526,6086172,19027,18763,967484,132107,255004,178533,256801,690282,1576,248295,11337,162005,247900,128684,7127398,2094717,225311,124541,479207,1561,354613,4774,146089,1561,389913,1341506,106053,99381,15451,75554,162272,57411,1540,145494,139634,6425,122441,121212,10803,219005,909105,21948,23314,78385,179566,78687,62143,382082,87560,25156,89641,11722,4324,74737,20045,332869,6204,5624,4112,131998,493170,295985,155389,663125,362883,6080,127927,29461,42909,120726,12950,10552,125671,60814,61119,41969,5146,33081,363716,14200,107152,98017,92898,751416,99363,4643,84250,82802,7703,185649,182635,535907,10859,11663,58171,53967,5947,56431,1342984,7652,5839,75234,6264,5215,71499,567416,70235,761395,916253,9675],"isXBRL":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isInlineXBRL":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isXBRLNumeric":[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null],"primaryDocument":["xslF25X02/primary_doc.xml","d1512b.htm","xslF25X02/primary_doc.xml","xslF25X02/primary_doc.xml","xslF25X02/primary_doc.xml","xslF25X02/primary_doc.xml","xslF25X02/primary_doc.xml","xslF25X02/primary_doc.xml","xslF25X02/primary_doc.xml","xslEFFECTX01/primary_doc.xml","d8k.htm","dposam.htm","d8k.htm","d10q.htm","d8k.htm","d8k.htm","xslF345X02/primary_doc.xml","xslF345X02/primary_doc.xml","xslF345X02/primary_doc.xml","xslF345X02/primary_doc.xml","d8k.htm","d10k.htm","d8k.htm","d8k.htm","a07-1425_18k.htm","d8k.htm","d8k.htm","l23053ae10vq.htm","l23084ae8vk.htm","l22577ae8vk.htm","l22319ae8vk.htm","l21807ae8vk.htm","l21304ae10vq.htm","j1999201e10vq.htm","j2024501e8vk.htm","j1964201e8vk.htm","j1863601e10vk.htm","dlh8k022806-1.txt","j1858501e8vk.htm","dlh8k013106-1.txt","d10q.htm","xslF345X02/primary_doc.xml","d8k.htm","d10q.htm","d8k.htm","d8k.htm","d8k.htm","d8k.htm","d8k.htm","d8k.htm","d10q.htm","d8k.htm","d8k.htm","d10k.htm","d10qa.htm","d10qa.htm","d10qa.htm","d10ka.htm","dnt10k.htm","d8k.htm","d8k.htm","d8k.htm","d10q.htm","d8k.htm","d8k.htm","d8k.htm","d8k.htm","d10q.htm","d11k.htm","a2136270z424b5.htm","a04-5814_18k.htm","a2136270z424b5.htm","d10q.htm","9999999997-04-018863.paper","a2133570z424b5.htm","a2133523z8-a12b.htm","a2133511z8-k.htm","a2133403z424b5.htm","a2132661zs-3a.txt","d8k.htm","d10k.htm","a2129080zs-3.txt","d8k.htm","d10q.htm","9999999997-03-033590.paper","d10q.htm","xslF345X02/doc3.xml","d11k.htm","9999999997-03-036600.paper","d10q.htm","d10k.htm","d10q.txt","d10q.txt","d8k.txt","d10q.txt","posex.txt","d464545v3.txt","9999999997-02-026545.paper","prospectus.txt","prosupp.txt","duq8k_0423.txt","finalprospectus.txt","d451608.txt","d8k.txt","d441810v9.txt","d10k.txt","d8k.txt","d8k.txt","d10q.txt","forms3.txt","d10q.txt","d10q.txt","d10k.txt","0001.txt","0001.txt","0001.txt","0001.txt","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","",""],"primaryDocDescription":["","FORM 15-12(B)","","","","","","","","","FORM 8-K","POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-3","FORM 8-K","FORM 10-Q","FORM 8-K","FORM 8-K","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","FORM 8-K","FORM 10-K","FORM 8-K","FORM 8-K","CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES","FORM 8-K","FORM 8-K","DUQUESNE LIGHT HOLDINGS INC/DUQUESNE LIGHT COMPANY   10-Q","DUQUESNE LIGHT HOLDINGS/DUQUESNE LIGHT CO.  8-K","DUQUESNE LIGHT HOLDINGS/DUQUESNE LIGHT COMPANY  8-K","DUQUESNE LIGHT HOLDINGS/DUQUESNE LIGHT CO.  8-K","DUQUESNE LIGHT HOLDINGS INC.    8-K","DUQUESNE LIGHT HOLDINGS  10-Q","DUQUESNE LIGHT HOLDINGS/DUQUESNE LIGHT COMPANY  10-Q/QTR END 3-31-06","DUQUESNE LIGHT HOLDINGS/DUQUESNE LIGHT CO.  8-K","DUQUESNE LIGHT HOLDINGS/LIGHT COMPANY    8-K","DUQUESNE LIGHT HOLDINGS/DUQUESNE LIGHT COMPANY  10-K/FYE 12-31-05","","DUQUESNE LIGHT HOLDINGS/DUQUESNE LIGHT CO.   8-K","","FORM 10-Q","PRIMARY DOCUMENT","FORM 8-K","FORM 10-Q","FORM 8-K","FORM 8-K","FORM 8-K","FORM 8-K","FORM 8-K","FORM 8-K","FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2005","FORM 8-K","FORM 8-K","FORM 10-K","FORM 10Q/A","FORM 10Q/A","FORM 10Q/A","FORM 10K/A","NOTIFICATION OF LATE FILING","FORM 8-K","FORM 8-K","FORM 8-K","FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 2004","FORM 8K","FORM 8-K","FORM 8K","FORM 8-K","FORM 10-Q","FORM 11K","424B5","8-K","424B5","FORM 10-Q","AUTO-GENERATED PAPER DOCUMENT","424B5","8-A12B","8-K","424B5","S-3/A","FORM 8K","FORM 10-K","FORM S-3","FORM 8-K","FORM 10-Q","AUTO-GENERATED PAPER DOCUMENT","FORM 10Q","PRIMARY DOCUMENT","FORM 11-K","AUTO-GENERATED PAPER DOCUMENT","FORM 10-Q","FORM 10-K","FORM 10-Q","FORM 10-Q","FROM 8-K","FORM 10-Q","POST-EFFECTIVE AMENDMENT NO. 1","REGISTRATION STATEMENT","AUTO-GENERATED PAPER DOCUMENT","PROSPECTUS SUPPLEMENT","PROSPECTUS SUPPLEMENT","FORM 8-K","PROSPECTUS SUPPLEMENT","PROSPECTUS SUPPLEMENT","FORM 8-K","AMENDMENT NO. 1 TO REGISTRATION STATEMENT","FORM 10-K","FORM 8-K","FORM 8-K","FORM 10-Q","FORM S-3","FORM 10-Q","FORM 10-Q","FORM 10-K","FORM 10-Q","FORM 8-K","FORM 10-Q","FORM 8-K","FORM 8-K","FORM 10-Q","FORM 8-K","FORM 10-K","FORM 8-K","FORM 8-K","FORM 8-K","QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D)","FORM 8-K","QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D)","FORM 10-Q","FORM 8-K","FORM 10-K405","FORM 8-K","QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D)","FORM 8-K","FORM 8-K","FORM 10-Q","FORM 8-K","FORM 8-K","FORM 10-Q","PROSPECTUS SUPPLEMENT","PRELIMINARY PROSPECTUS SUPPLEMENT","FORM 8-K","FORM 8-K","FORM 8A OF DUQUESNE LIGHT COMPANY","FORM 10-K","PRICING SUPPLEMENT NO. 11","FORM 10-Q","FORM 10-Q","FORM 10-Q","FORM 10-K","DUQUESNE LIGHT FORM 10-Q","AMENDMENT NO. 1 TO FORM S-3","FORM 10-Q","FORM 10-Q","FORM 8-K","FINAL PROSPECTUS SUPPLEMENT","PRELIMINARY PROSPECTUS SUPPLEMENT","DUQUESNE LIGHT COMPANY FORM 10-K","","FORM 8-K","FORM 10-Q","FORM 10-Q","FORM 8-K","FORM 10-Q","FORM 10-K","","","","DUQUESNE LIGHT COMPANY FORM 8-K","DUQUESNE LIGHT CO. FORM 8-K","DUQUESNE LIGHT SECOND QTR. FORM 10-Q","AMENDMENT #1 TO FORM S-3","FORM 10-Q","DUQUESNE LIGHT COMPANY FORM S-3","FORM 10-K","DUQUESNE LIGHT COMPANY FORM 13G"]},"files":[]}}