AEP vs NGG

American Electric Power and National Grid plc, both Utilities

National Grid plc is the larger company at $79B against $69B. Over the past year NGG returned +16% against +12% for AEP.

American Electric Power and National Grid plccompared on valuation, return and Ryufin’s Smart Score
FigureAEPNGG
Last close$123$80.55
Market cap$69B$79B
Trailing P/Elower is cheaper for the same earnings, not automatically better18.2n/a
Dividend yield3.0%n/a
1-year return+12%+16%
5-year return+68%+69%
Ryufin Smart Scoresector-relative, 1–108/10n/a

Figures from SEC filings and end-of-day closes. Highlighting marks the higher or lower number, which is not the same as the better investment, a low P/E can be a warning and a high one can be deserved.

American Electric Power

Revenue of $6.0B in Q1 2026, net income $903M. Its largest reported line is Electric Generation Transmission Distribution, 18% of the disclosed total.

National Grid plc

Revenue of $7.1B in H1 2026, net income $617M.

Open these two in the interactive comparison to add more names, change the period or read the correlation.