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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001193125-12-049043
Filing Date
2012-02-09
Accepted
2012-02-09 15:21:51
Documents
59
Period of Report
2011-12-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-K d283520d10k.htm 10-K 9497179
2 SUBSIDIARIES OF EXELON CORPORATION d283520dex211.htm EX-21.1 58367
3 SUBSIDIARIES OF EXELON GENERATION COMPANY, LLC d283520dex212.htm EX-21.2 56547
4 SUBSIDIARIES OF COMMONWEALTH EDISON COMPANY d283520dex213.htm EX-21.3 3564
5 SUBSIDIARIES OF PECO ENERGY COMPANY d283520dex214.htm EX-21.4 5793
6 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTANTS - EXELON CORPORATION d283520dex231.htm EX-23.1 1621
7 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTANTS - EXELON GENERATION COMPANY d283520dex232.htm EX-23.2 1564
8 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTANTS - COMMONWEALTH EDISON d283520dex233.htm EX-23.3 1576
9 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTANTS - PECO ENERGY COMPANY d283520dex234.htm EX-23.4 1531
10 POWER OF ATTORNEY---JOHN A. CANNING, JR. d283520dex241.htm EX-24.1 1707
11 POWER OF ATTORNEY---M. WALTER D'ALESSIO d283520dex242.htm EX-24.2 1741
12 POWER OF ATTORNEY---NICHOLAS DEBENEDICTIS d283520dex243.htm EX-24.3 1712
13 POWER OF ATTORNEY---NELSON A. DIAZ d283520dex244.htm EX-24.4 1677
14 POWER OF ATTORNEY---SUE L. GIN d283520dex245.htm EX-24.5 1657
15 POWER OF ATTORNEY---ROSEMARIE B. GRECO d283520dex246.htm EX-24.6 1697
16 POWER OF ATTORNEY---PAUL L. JOSKOW d283520dex247.htm EX-24.7 1692
17 POWER OF ATTORNEY---RICHARD W. MIES d283520dex248.htm EX-24.8 1682
18 POWER OF ATTORNEY---JOHN M. PALMS, PH.D. d283520dex249.htm EX-24.9 1710
19 POWER OF ATTORNEY---WILLIAM C. RICHARDSON d283520dex2410.htm EX-24.10 1739
20 POWER OF ATTORNEY---THOMAS J. RIDGE d283520dex2411.htm EX-24.11 1709
21 POWER OF ATTORNEY---JOHN W. ROGERS, JR. d283520dex2412.htm EX-24.12 1729
22 POWER OF ATTORNEY---STEPHEN D. STEINOUR d283520dex2413.htm EX-24.13 1729
23 POWER OF ATTORNEY---DONALD THOMPSON d283520dex2414.htm EX-24.14 1676
24 POWER OF ATTORNEY---JAMES W. COMPTON d283520dex2415.htm EX-24.15 2111
25 POWER OF ATTORNEY--A. STEVEN CROWN d283520dex2416.htm EX-24.16 2104
26 POWER OF ATTORNEY---PETER V. FAZIO, JR. d283520dex2417.htm EX-24.17 2126
27 POWER OF ATTORNEY---SUE L. GIN d283520dex2418.htm EX-24.18 2122
28 POWER OF ATTORNEY---MICHAEL MOSKOW d283520dex2419.htm EX-24.19 2006
29 POWER OF ATTORNEY---JESSE H. RUIZ d283520dex2420.htm EX-24.20 2001
30 POWER OF ATTORNEY---M. WALTER D'ALESSIO d283520dex2421.htm EX-24.21 1864
31 POWER OF ATTORNEY---NELSON A. DIAZ d283520dex2422.htm EX-24.22 1824
32 POWER OF ATTORNEY---ROSEMARIE B. GRECO d283520dex2423.htm EX-24.23 1844
33 POWER OF ATTORNEY---CHARISSE R. LILLIE d283520dex2424.htm EX-24.24 1844
34 POWER OF ATTORNEY---THOMAS J. RIDGE d283520dex2425.htm EX-24.25 1829
35 POWER OF ATTORNEY---RONALD RUBIN d283520dex2426.htm EX-24.26 1814
36 CERTIFICATION FILED BY JOHN W. ROWE FOR EXELON CORPORATION d283520dex311.htm EX-31.1 10011
37 CERTIFICATION FILED BY MATTHEW F. HILZINGER FOR EXELON CORPORATION d283520dex312.htm EX-31.2 10033
38 CERTIFICATION FILED BY JOHN W. ROWE FOR EXELON GENERATION COMPANY, LLC d283520dex313.htm EX-31.3 9991
39 CERTIFICATION FILED BY MATTHEW F. HILZINGER FOR EXELON GENERATION COMPANY, LLC d283520dex314.htm EX-31.4 10052
40 CERTIFICATION FILED BY FRANK M. CLARK FOR COMMONWEALTH EDISON COMPANY d283520dex315.htm EX-31.5 10018
41 CERTIFICATION FILED BY JOSEPH R. TRPIK, JR. FOR COMMONWEALTH EDISON COMPANY d283520dex316.htm EX-31.6 10172
42 CERTIFICATION FILED BY DENIS P. O'BRIEN FOR PECO ENERGY COMPANY d283520dex317.htm EX-31.7 10069
43 CERTIFICATION FILED BY PHILLIP S. BARNETT FOR PECO ENERGY COMPANY d283520dex318.htm EX-31.8 10023
44 CERTIFICATION FILED BY JOHN W. ROWE FOR EXELON CORPORATION d283520dex321.htm EX-32.1 2708
45 CERTIFICATION FILED BY MATTHEW F. HILZINGER FOR EXELON CORPORATION d283520dex322.htm EX-32.2 2855
46 CERTIFICATION FILED BY JOHN W. ROWE FOR EXELON GENERATION COMPANY, LLC d283520dex323.htm EX-32.3 2728
47 CERTIFICATION FILED BY MATTHEW F. HILZINGER FOR EXELON GENERATION COMPANY, LLC d283520dex324.htm EX-32.4 2937
48 CERTIFICATION FILED BY FRANK M. CLARK FOR COMMONWEALTH EDISON COMPANY d283520dex325.htm EX-32.5 2752
49 CERTIFICATION FILED BY JOSEPH R. TRPIK, JR. FOR COMMONWEALTH EDISON COMPANY d283520dex326.htm EX-32.6 2933
50 CERTIFICATION FILED BY DENIS P. O'BRIEN FOR PECO ENERGY COMPANY d283520dex327.htm EX-32.7 2739
51 CERTIFICATION FILED BY PHILLIP S. BARNETT FOR PECO ENERGY COMPANY d283520dex328.htm EX-32.8 2749
58 GRAPHIC g283520g31e90.jpg GRAPHIC 82724
59 GRAPHIC g283520g39d00.jpg GRAPHIC 49400
  Complete submission text file 0001193125-12-049043.txt   76993314

Data Files

Seq Description Document Type Size
52 XBRL INSTANCE DOCUMENT exc-20111231.xml EX-101.INS 15052123
53 XBRL TAXONOMY EXTENSION SCHEMA exc-20111231.xsd EX-101.SCH 431832
54 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE exc-20111231_cal.xml EX-101.CAL 272583
55 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE exc-20111231_def.xml EX-101.DEF 1844896
56 XBRL TAXONOMY EXTENSION LABEL LINKBASE exc-20111231_lab.xml EX-101.LAB 3286547
57 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE exc-20111231_pre.xml EX-101.PRE 2043137
Mailing Address 10 SOUTH DEARBORN STREET 37TH FLOOR CHICAGO IL 606900767
Business Address ONE FIRST NATIONAL PLZ 37TH FL P O BOX 767 CHICAGO IL 60690 3123944321
COMMONWEALTH EDISON CO (Filer) CIK: 0000022606 (see all company filings)

IRS No.: 360938600 | State of Incorp.: IL | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-01839 | Film No.: 12586744
SIC: 4911 Electric Services
Office of Energy & Transportation

Mailing Address
Business Address 2301 MARKET ST P O BOX 8699 PHILADELPHIA PA 19101 2158414000
PECO ENERGY CO (Filer) CIK: 0000078100 (see all company filings)

IRS No.: 230970240 | State of Incorp.: PA | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 000-16844 | Film No.: 12586743
SIC: 4931 Electric & Other Services Combined
Office of Energy & Transportation

Mailing Address PO BOX 805398 CHICAGO IL 60680-5398
Business Address PO BOX 805398 CHICAGO IL 60680-5398 3123947399
EXELON CORP (Filer) CIK: 0001109357 (see all company filings)

IRS No.: 232990190 | State of Incorp.: PA | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-16169 | Film No.: 12586742
SIC: 4931 Electric & Other Services Combined
Office of Energy & Transportation

Mailing Address 10 S DEARBORN STREET 37TH FLOOR CHICAGO IL 60690
Business Address
EXELON GENERATION CO LLC (Filer) CIK: 0001168165 (see all company filings)

IRS No.: 233064219
Type: 10-K | Act: 34 | File No.: 333-85496 | Film No.: 12586741
SIC: 4911 Electric Services
Office of Energy & Transportation