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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001193125-13-069749
Filing Date
2013-02-22
Accepted
2013-02-21 18:53:50
Documents
80
Period of Report
2012-12-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-K d474199d10k.htm 10-K 9482503
2 EXELON CORPORATION COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES d474199dex121.htm EX-12.1 28246
3 EXELON GENERATION COMPANY, LLC COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES d474199dex122.htm EX-12.2 24303
4 COMMONWEALTH EDISON COMPANY COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES d474199dex123.htm EX-12.3 24575
5 PECO ENERGY COMPANY COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES d474199dex124.htm EX-12.4 52245
6 BALTIMORE GAS AND ELECTRIC CO COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES d474199dex125.htm EX-12.5 49015
7 SUBSIDIARIES - EXELON CORPORATION d474199dex211.htm EX-21.1 113446
8 SUBSIDIARIES - EXELON GENERATION COMPANY, LLC d474199dex212.htm EX-21.2 121795
9 SUBSIDIARIES - COMMONWEALTH EDISON COMPANY d474199dex213.htm EX-21.3 3102
10 SUBSIDIARIES - PECO ENERGY COMPANY d474199dex214.htm EX-21.4 4950
11 SUBSIDIARIES - BALTIMORE GAS AND ELECTRIC COMPANY d474199dex215.htm EX-21.5 1847
12 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTANTS - EXELON CORPORATION d474199dex231.htm EX-23.1 1653
13 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTANTS - EXELON GENERATION COMPANY d474199dex232.htm EX-23.2 1598
14 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTANTS - COMMONWEALTH EDISON d474199dex233.htm EX-23.3 1551
15 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTANTS - PECO ENERGY COMPANY d474199dex234.htm EX-23.4 1543
16 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTANTS - BALTIMORE GAS & ELECTRIC d474199dex235.htm EX-23.5 1625
17 POWER OF ATTORNEY - ANN C. BERZIN d474199dex241.htm EX-24.1 1885
18 POWER OF ATTORNEY - JOHN A. CANNING, JR. d474199dex242.htm EX-24.2 1919
19 POWER OF ATTORNEY - CHRISTOPHER M. CRANE d474199dex243.htm EX-24.3 1864
20 POWER OF ATTORNEY - YVES C. DE BALMANN d474199dex244.htm EX-24.4 1910
21 POWER OF ATTORNEY - NICHOLAS DEBENEDICTIS d474199dex245.htm EX-24.5 1925
22 POWER OF ATTORNEY - NELSON A. DIAZ d474199dex246.htm EX-24.6 1890
23 POWER OF ATTORNEY - SUE L. GIN d474199dex247.htm EX-24.7 1860
24 POWER OF ATTORNEY - PAUL L. JOSKOW d474199dex248.htm EX-24.8 1890
25 POWER OF ATTORNEY - ROBERT J. LAWLESS d474199dex249.htm EX-24.9 1905
26 POWER OF ATTORNEY - RICHARD W. MIES d474199dex2410.htm EX-24.10 1898
27 POWER OF ATTORNEY - WILLIAM C. RICHARDSON d474199dex2411.htm EX-24.11 1923
28 POWER OF ATTORNEY - THOMAS J. RIDGE d474199dex2412.htm EX-24.12 1888
29 POWER OF ATTORNEY - JOHN W. ROGERS, JR. d474199dex2413.htm EX-24.13 1908
30 POWER OF ATTORNEY - MAYO A. SHATTUCK III d474199dex2414.htm EX-24.14 1913
31 POWER OF ATTORNEY - STEPHEN D. STEINOUR d474199dex2415.htm EX-24.15 1908
32 POWER OF ATTORNEY - DONALD THOMPSON d474199dex2416.htm EX-24.16 1888
33 POWER OF ATTORNEY - JAMES W. COMPTON d474199dex2417.htm EX-24.17 1905
34 POWER OF ATTORNEY - CHRISTOPHER M. CRANE d474199dex2418.htm EX-24.18 1924
35 POWER OF ATTORNEY - A. STEVEN CROWN d474199dex2419.htm EX-24.19 1900
36 POWER OF ATTORNEY - PETER V. FAZIO, JR. d474199dex2420.htm EX-24.20 1930
37 POWER OF ATTORNEY - SUE L. GIN d474199dex2421.htm EX-24.21 1875
38 POWER OF ATTORNEY - MICHAEL MOSKOW d474199dex2422.htm EX-24.22 1895
39 POWER OF ATTORNEY - ANNE R. PRAMAGGIORE d474199dex2423.htm EX-24.23 1876
40 POWER OF ATTORNEY - JESSE H. RUIZ d474199dex2424.htm EX-24.24 1890
41 POWER OF ATTORNEY - CRAIG L. ADAMS d474199dex2425.htm EX-24.25 1840
42 POWER OF ATTORNEY - CHRISTOPHER M. CRANE d474199dex2426.htm EX-24.26 1918
43 POWER OF ATTORNEY - M. WALTER D'ALESSIO d474199dex2427.htm EX-24.27 1918
44 POWER OF ATTORNEY - NELSON A. DIAZ d474199dex2428.htm EX-24.28 1879
45 POWER OF ATTORNEY - CHARISSE R. LILLIE d474199dex2429.htm EX-24.29 1899
46 POWER OF ATTORNEY - THOMAS J. RIDGE d474199dex2430.htm EX-24.30 1884
47 POWER OF ATTORNEY - RONALD RUBIN d474199dex2431.htm EX-24.31 1868
48 POWER OF ATTORNEY - CHRISTOPHER M. CRANE d474199dex2432.htm EX-24.32 1931
49 POWER OF ATTORNEY - MICHAEL E. CRYOR d474199dex2433.htm EX-24.33 1922
50 POWER OF ATTORNEY - JAMES R. CURTISS d474199dex2434.htm EX-24.34 1922
51 POWER OF ATTORNEY - KENNETH W. DEFONTES, JR. d474199dex2435.htm EX-24.35 1903
52 POWER OF ATTORNEY - JOSEPH HASKINS, JR. d474199dex2436.htm EX-24.36 1932
53 POWER OF ATTORNEY - CARLA D. HAYDEN, PH.D d474199dex2437.htm EX-24.37 1929
54 CERTIFICATION FILED BY CHRISTOPHER M. CRANE FOR EXELON CORPORATION d474199dex311.htm EX-31.1 10039
55 CERTIFICATION FILED BY JONATHAN W. THAYER FOR EXELON CORPORATION d474199dex312.htm EX-31.2 10005
56 CERTIFICATION FILED BY CHRISTOPHER M. CRANE FOR EXELON GENERATION COMPANY, LLC d474199dex313.htm EX-31.3 10047
57 CERTIFICATION FILED BY BRYAN P. WRIGHT FOR EXELON GENERATION COMPANY, LLC d474199dex314.htm EX-31.4 10082
58 CERTIFICATION FILED BY ANNE R. PRAMAGGIORE FOR COMMONWEALTH EDISON COMPANY d474199dex315.htm EX-31.5 10077
59 CERTIFICATION FILED BY JOSEPH R. TRPIK, JR. FOR COMMONWEALTH EDISON COMPANY d474199dex316.htm EX-31.6 10210
60 CERTIFICATION FILED BY CRAIG L. ADAMS FOR PECO ENERGY COMPANY d474199dex317.htm EX-31.7 10089
61 CERTIFICATION FILED BY PHILLIP S. BARNETT FOR PECO ENERGY COMPANY d474199dex318.htm EX-31.8 10163
62 CERTIFICATION FILED BY KENNETH W. DEFONTES JR. FOR BALTIMORE GAS AND ELECTRIC CO d474199dex319.htm EX-31.9 10175
63 CERTIFICATION FILED BY CARIM V. KHOUZAMI FOR BALTIMORE GAS AND ELECTRIC CO d474199dex3110.htm EX-31.10 10155
64 CERTIFICATION FILED BY CHRISTOPHER M. CRANE FOR EXELON CORPORATION d474199dex321.htm EX-32.1 2764
65 CERTIFICATION FILED BY JONATHAN W. THAYER FOR EXELON CORPORATION d474199dex322.htm EX-32.2 2771
66 CERTIFICATION FILED BY CHRISTOPHER M. CRANE FOR EXELON GENERATION COMPANY, LLC d474199dex323.htm EX-32.3 2784
67 CERTIFICATION FILED BY BRYAN P. WRIGHT FOR EXELON GENERATION COMPANY, LLC d474199dex324.htm EX-32.4 2952
68 CERTIFICATION FILED BY ANNE R. PRAMAGGIORE FOR COMMONWEALTH EDISON COMPANY d474199dex325.htm EX-32.5 2796
69 CERTIFICATION FILED BY JOSEPH R. TRPIK, JR. FOR COMMONWEALTH EDISON COMPANY d474199dex326.htm EX-32.6 2956
70 CERTIFICATION FILED BY CRAIG L. ADAMS FOR PECO ENERGY COMPANY d474199dex327.htm EX-32.7 2744
71 CERTIFICATION FILED BY PHILLIP S. BARNETT FOR PECO ENERGY COMPANY d474199dex328.htm EX-32.8 2783
72 CERTIFICATION FILED BY KENNETH W. DEFONTES JR. FOR BALTIMORE GAS AND ELECTRIC CO d474199dex329.htm EX-32.9 2845
73 CERTIFICATION FILED BY CARIM V. KHOUZAMI FOR BALTIMORE GAS AND ELECTRIC CO d474199dex3210.htm EX-32.10 2825
80 GRAPHIC g474199g50n17.jpg GRAPHIC 83938
  Complete submission text file 0001193125-13-069749.txt   90377660

Data Files

Seq Description Document Type Size
74 XBRL INSTANCE DOCUMENT exc-20121231.xml EX-101.INS 17930724
75 XBRL TAXONOMY EXTENSION SCHEMA exc-20121231.xsd EX-101.SCH 523309
76 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE exc-20121231_cal.xml EX-101.CAL 383214
77 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE exc-20121231_def.xml EX-101.DEF 2358903
78 XBRL TAXONOMY EXTENSION LABEL LINKBASE exc-20121231_lab.xml EX-101.LAB 3656734
79 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE exc-20121231_pre.xml EX-101.PRE 2604896
Mailing Address 2 CENTER PLAZA 110 W. FAYETTE STREET BALTIMORE MD 21201
Business Address 2 CENTER PLAZA 110 W. FAYETTE STREET BALTIMORE MD 21201 4104702800
BALTIMORE GAS & ELECTRIC CO (Filer) CIK: 0000009466 (see all company filings)

IRS No.: 520280210 | State of Incorp.: MD | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-01910 | Film No.: 13631862
SIC: 4931 Electric & Other Services Combined
Office of Energy & Transportation

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.: 13631864
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.: 13631863
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.: 13631861
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.: 13631865
SIC: 4911 Electric Services
Office of Energy & Transportation