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Dominion Energy vs American Electric Power: D and AEP compared

Dominion Energy is the larger company: $5.6B of revenue in its latest quarter (Q3 2026) against $5.4B for American Electric Power (Q2 2026). Dominion Energy is growing faster (+24% against +7% a year earlier). Dominion Energy is more profitable, with an operating margin of 32.8% against 22.9%.

Dominion Energy vs American Electric Power, latest quarterDominion Energy vs American Electric Power, latest quarterDominion Energy (D)American Electric Power (AEP)Revenue$5.6B$5.4BRevenue growth, Y/Y+24%+7%Operating margin32.8%22.9%Net margin20.7%13.1%

Where the money goes: D and AEP

Dominion Energy (D) · Q3 2026

Dominion Energy, Q3 2026: revenue $5.6B (+24% year over year), operating margin 32.8%, net earnings $1.2B, operating cash flow $2.2B. The chart follows the revenue to costs, profit and cash.

American Electric Power (AEP) · Q2 2026

American Electric Power, Q2 2026: revenue $5.4B (+7% year over year), operating margin 22.9%, net earnings $713M, operating cash flow $1.9B. The chart follows the revenue to costs, profit and cash.

American Electric Power revenue by segment, Q2 2026American Electric Power revenue by segment, Q2 2026Total Retail Revenues$4.0BIndustrial Revenues$847MTransmission Revenues$437MOther Revenues$174M
Dominion Energy (D)American Electric Power (AEP)
Latest quarterQ3 2026Q2 2026
Revenue$5.6B$5.4B
Revenue growth, Y/Y+24%+7%
Operating margin32.8%22.9%
Net earnings$1.2B$713M
Net margin20.7%13.1%
Operating cash flow$2.2B$1.9B
Market value$61.3B$69.8B
P/E19.4×22.1×
Analysts’ mean target$70.17$142.72

Where the revenue comes from

American Electric Power

Questions

Which is bigger, Dominion Energy or American Electric Power?

Dominion Energy is the larger company: $5.6B of revenue in its latest quarter (Q3 2026) against $5.4B for American Electric Power (Q2 2026).

Is Dominion Energy or American Electric Power growing faster?

Dominion Energy is growing faster (+24% against +7% a year earlier).

Which is more profitable, Dominion Energy or American Electric Power?

Dominion Energy is more profitable, with an operating margin of 32.8% against 22.9%.

More: Dominion Energy earnings · how Dominion Energy makes money · American Electric Power earnings · how American Electric Power makes money

From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Oct 30, 2026; 10-Q filed Jul 30, 2026). Fiscal quarters can end on different dates. Not investment advice.