American Electric Power

AEPNasdaq United States Utilities Electric Utilities: Central

Market cap

$65.839 B

$120.94 -3.79%

Close of 21 Aug 2026

Revenue

$21.9B

#205 by revenue

Earnings

—

Not reported

Shares outstanding

544,104,955

Latest filing cover page

P/E ratio

—

Cap ÷ net income

Electric Utilities: Central, ranked by market cap

All 60 →

#2SouthernSO$102.3B
#3Constellation EnergyCEG$96.7B
#4American Electric PowerAEP$65.8B
#5Dominion EnergyD$58.6B
#6EntergyETR$48.8B

Where these numbers come from

Share counts and financials for American Electric Power are taken from its own SEC filings via EDGAR: public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Last updated 21 Aug 2026. Read the methodology.