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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001047469-12-001863
Filing Date
2012-02-29
Accepted
2012-02-29 12:36:35
Documents
30
Period of Report
2011-12-31

Document Format Files

Seq Description Document Type Size
1 10-K a2207433z10-k.htm 10-K 3782798
2 EX-12(A) a2207433zex-12_a.htm EX-12.(A) 30622
3 EX-12(B) a2207433zex-12_b.htm EX-12.(B) 33355
4 EX-21 a2207433zex-21.htm EX-21 11104
5 EX-23(A) a2207433zex-23_a.htm EX-23.(A) 5905
6 EX-23(B) a2207433zex-23_b.htm EX-23.(B) 3982
7 EX-31(A) a2207433zex-31_a.htm EX-31.(A) 8011
8 EX-31(B) a2207433zex-31_b.htm EX-31.(B) 7995
9 EX-31(C) a2207433zex-31_c.htm EX-31.(C) 7993
10 EX-31(D) a2207433zex-31_d.htm EX-31.(D) 7983
11 EX-32(A) a2207433zex-32_a.htm EX-32.(A) 4171
12 EX-32(B) a2207433zex-32_b.htm EX-32.(B) 4193
13 EX-32(C) a2207433zex-32_c.htm EX-32.(C) 4132
14 EX-32(D) a2207433zex-32_d.htm EX-32.(D) 4111
15 EX-99(A) a2207433zex-99_a.htm EX-99.(A) 1164070
23 G299803MM01I001.JPG g299803mm01i001.jpg GRAPHIC 2181
24 G299803MM01I002.GIF g299803mm01i002.gif GRAPHIC 3151
25 G298914.JPG g298914.jpg GRAPHIC 3252
26 G86557.JPG g86557.jpg GRAPHIC 3816
27 G1013293.JPG g1013293.jpg GRAPHIC 3988
28 G555195.JPG g555195.jpg GRAPHIC 4109
29 G527218.JPG g527218.jpg GRAPHIC 5069
30 G855806.JPG g855806.jpg GRAPHIC 7591
31 G268234.JPG g268234.jpg GRAPHIC 5815
  Complete submission text file 0001047469-12-001863.txt   34946574

Data Files

Seq Description Document Type Size
16 EX-101.INS ceg-20111231.xml EX-101.INS 5242613
17 EX-101.SCH ceg-20111231.xsd EX-101.SCH 323042
18 EX-101.CAL ceg-20111231_cal.xml EX-101.CAL 318567
19 EX-101.LAB ceg-20111231_lab.xml EX-101.LAB 4183517
20 EX-101.PRE ceg-20111231_pre.xml EX-101.PRE 1981568
21 EX-101.DEF ceg-20111231_def.xml EX-101.DEF 1569484
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.: 12651079
SIC: 4931 Electric & Other Services Combined

Mailing Address 100 CONSTELLATION WAY BALTIMORE MD 21202
Business Address 100 CONSTELLATION WAY BALTIMORE MD 21202 4104702800
CONSTELLATION ENERGY GROUP INC (Filer) CIK: 0001004440 (see all company filings)

IRS No.: 521964611 | State of Incorp.: MD | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-12869 | Film No.: 12651080
SIC: 4911 Electric Services