ComEd 2013 Annual Report Download - page 68

For theyear endedDecember 31,2013 comparedto 2012 and2012 comparedto 2011,Generation’s revenue net ofpurchased
power andfuel expenseby region were asfollows:
2013 vs. 2012 2012 vs. 2011
2013 2012 (a) Variance % Change 2011 Variance % Change
Mid-Atlantic (b)(f) ........................................ $3,270$3,433 $(163) (4.7)% $3,350$832.5%
Midwest(c) ............................................ 2,586 2,998 (412)(13.7)% 3,547 (549) (15.5)%
NewEngland ......................................... 185 196 (11) (5.6)% 9 187 n.m.
NewYork(f) ........................................... (4) 76 (80)(105.3)% — 76 n.m.
ERCOT .............................................. 43640531 7.7% 84 321 n.m.
Other Regions(d) ...................................... 201 131 7053.4% (14) 145 n.m.
Total electric revenue net ofpurchasedpower andfuel
expense............................................ $6,674 $7,239 $(565) (7.8)% $6,976 $ 2633.8%
ProprietaryTrading .................................... (8) (14) 6 42.9% 24(38) n.m.
Mark-to-market gains(losses)............................ 504515(11)(2.1)% (288) 803 n.m.
Other (e).............................................. 263(364) 627n.m. 146 (510)n.m.
Total revenue net ofpurchasedpower andfuel expense...... $7,433 $7,376 $ 57 0.8% $6,858 $ 518 7.6%
(a)Includesresultsfor Constellation business transferredto Generation beginningon March 12,2012,thedate themerger wascompleted.
(b) Resultsoftransactionswith PECO and BGE are includedintheMid-Atlantic region.
(c) ResultsoftransactionswithComEd are includedintheMidwestregion.
(d) Other RegionsincludesSouth, WestandCanada, which are not consideredindividually significant.
(e)Other representsactivitiesnot allocatedto a region.See textabovefor a description ofincludedactivities. Alsoincludesamortization ofintangible assetsrelatedto
commoditycontractsrecordedat fairvalue at merger date of $488 million and$1,098 million pre-taxfor thetwelvemonths endedDecember 31,2013 and
December 31,2012,respectively.
(f) Includes $542million and $450million ofpurchasedpower from CENG intheMid-Atlantic andNewYorkregions, respectively, for theyear endedDecember 31,
2013.Includes $487 million and$306million ofpurchasedpower from CENG intheMid-Atlantic andNewYorkregions, respectively, for theyear ended
December 31,2012.See Note 25oftheCombinedNotesto ConsolidatedFinancial Statementsfor additional information.
Generation’s supplysourcesbyregion are summarizedbelow:
2013 vs. 2012 2012 vs. 2011
Supply source (GWh) 2013 2012 (a) Variance % Change 2011 Variance % Change
Nuclear generation (b)
Mid-Atlantic .............................. 48,88147,3371,544 3.3% 47,287 500.1%
Midwest................................. 93,245 92,525720 0.8% 92,010 5150.6%
142,126139,8622,264 1.6% 139,297 565 0.4%
Fossilandrenewables(b)
Mid-Atlantic (b)(d) .......................... 11,714 8,8082,90633.0% 7,5721,23616.3%
Midwest................................. 1,478 97150752.2% 596 375 62.9%
NewEngland ............................ 10,896 9,965 931 9.3% 8 9,957 n.m.
ERCOT ................................. 6,4536,1822714.4% 2,030 4,152n.m.
Other Regions(e)......................... 6,664 5,913 75112.7% 1,432 4,481n.m.
37,20531,8395,366 16.9% 11,63820,201 n.m.
Purchasedpower
Mid-Atlantic (c) ............................ 14,09220,830 (6,738) (32.3)% 2,898 17,932 n.m.
Midwest................................. 4,408 9,805 (5,397) (55.0)% 5,9703,835 64.2%
NewEngland ............................ 7,655 9,273(1,618) (17.4)% — 9,273n.m.
NewYork(c) .............................. 13,64211,457 2,185 19.1%—11,457 n.m.
ERCOT ................................. 15,06323,302 (8,239) (35.4)% 7,53715,765 n.m.
Other Regions(e)......................... 14,931 17,327(2,396) (13.8)% 2,503 14,824n.m.
69,79191,994 (22,203)(24.1)% 18,90873,086 n.m.
Total supplybyregion (f)
Mid-Atlantic (g) ............................ 74,687 76,975 (2,288) (3.0)% 57,757 19,21833.3%
Midwest(h) ............................... 99,131 103,301 (4,170) (4.0)% 98,576 4,725 4.8%
NewEngland ............................ 18,55119,238 (687) (3.6)% 8 19,230 n.m.
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