Financial Performance - Exelon's net income attributable to common shareholders for Q1 2024 was 658million,adecreaseof11 million compared to 669millioninQ12023[356].−Dilutedearningspersharedecreasedto0.66 in Q1 2024 from 0.67inQ12023,primarilyduetohigherinterestexpensesandstormcosts[357].−Adjusted(non−GAAP)operatingearningsforQ12024were685 million, down from 696millioninQ12023,reflectingadecreaseinoperationalperformance[364].−ComEd′snetincomeforQ12024decreasedby48 million (19.9%) to 193million,primarilyduetolowerelectricdistributionearnings[381].−PECO′snetincomeforQ12024decreasedby17 million (10.2%) to 149million,drivenbyhigherstormcostsandincreasedinterestexpense[393].−NetincomeforBGEincreasedby64 million to 264millioninQ12024,drivenbyfavorableimpactsfrommulti−yearplans[407].−DPL′snetincomeforthethreemonthsendedMarch31,2024,was66 million, an increase of 6millionfrom60 million in 2023, driven by higher Delaware electric distribution rates[440]. Revenue and Expenses - ComEd's operating revenues for Q1 2024 were 2.095billion,anincreaseof428 million (25.7%) compared to Q1 2023[381]. - PECO's operating revenues for Q1 2024 were 1.054billion,adecreaseof58 million (5.2%) compared to Q1 2023, attributed to increased operating expenses[393]. - Operating revenues for BGE rose by 40millionto1,297 million in Q1 2024 compared to 1,257millioninQ12023[407].−Pepco′soperatingrevenuesforthethreemonthsendedMarch31,2024,were759 million, an increase of 49millionfrom710 million in 2023[425]. - DPL's operating revenues for the three months ended March 31, 2024, were 491million,reflectinga17 million increase from 474millionin2023[440].−TotaloperatingexpensesforPepcoincreasedto640 million for the three months ended March 31, 2024, up from 610millionin2023,reflectinga30 million increase[425]. - Operating and maintenance expenses for BGE increased by 42millioninQ12024,largelyduetostorm−relatedcostsandregulatoryrequiredprograms[416].RegulatoryandCompliance−Exeloniscurrentlyinvolvedinregulatoryproceedingsthatmayimpactfuturefinancialstatements,includingbaseratecasesandFERCaudits[363].−ComEd′scompleteddistributionbaseratecaseproceedingsincludedarequestedrevenuerequirementincreaseof1.487 billion, with an approved increase of 501millioneffectiveJanuary1,2024[366].−TheincreaseinoperatingrevenuesforDPLincludeda21 million rise from regulatory required programs, despite a 28milliondecreaseinotherregulatoryprograms[441].−DistributionrevenueincreasedduetohigherelectricdistributionrateseffectiveJuly2023andMaryland′smulti−yearplaneffectiveJanuary2024[450].CustomerGrowth−Thenumberofelectriccustomersincreasedto1,341,840inQ12024from1,336,321inQ12023,reflectingagrowthinresidentialandcommercialsegments[409].−Thetotalnumberofelectriccustomersincreasedto946,982asofMarch31,2024,upfrom936,355in2023,representingagrowthofapproximately1.37,425 million, with ComEd contributing 2,150million,PECO1,700 million, and BGE 1,600million[491].−CapitalexpendituresforExelonwere114 million, while ComEd reported 23millioninQ12024[480].−Exelonhas858 million of common stock available for sale under its ATM equity distribution program as of December 31, 2023[488]. - The Registrants had 4.0billionintotalcreditfacilitycommitments,with2.7 billion available for commercial paper as of March 31, 2024[486]. Interest and Tax Rates - The marginal statutory income tax rates for 2024 and 2023 ranged from 24.0% to 29.0%, affecting the reconciliation of GAAP net income and adjusted operating earnings[361]. - Effective income tax rates for ComEd were 9.0% for Q1 2024, down from 22.8% in Q1 2023[391]. - Effective income tax rates for BGE were 8.3% in Q1 2024, down from 20.6% in Q1 2023[419]. - The effective income tax rates were 15.7% for the three months ended March 31, 2024, compared to 15.6% in 2023[438]. - The effective income tax rate for the three months ended March 31, 2024, was 20.5%, compared to 16.7% in 2023[456]. Debt and Financing - Short-term borrowings increased by 963millionforExelonand296 million for ComEd in Q1 2024[482]. - Long-term debt decreased by 1,344millionforExelonand975 million for ComEd in Q1 2024[482]. - Exelon has entered into 20-year floating-to-fixed renewable energy swap contracts to hedge against commodity price risk[514]. - Exelon utilizes hedging programs to mitigate exposure to energy and natural gas price volatility, with costs fully recovered through regulatory-approved mechanisms[511]. - The Registrants' outstanding long-term debt is primarily fixed-rate, significantly reducing interest rate risk[515]. Operational Efficiency - Cash flows from operating activities increased by 508millionforExelonand672 million for ComEd in Q1 2024 compared to the same period in 2023[476]. - Non-cash operating activities adjustments totaled 129millionforExelonand115 million for ComEd in Q1 2024[476]. - Energy efficiency spending for ComEd was 80millioninQ12024,comparedto72 million in Q1 2023[478].