The Filing Desk

AES vs NRG Energy

AES AES · NRG Energy NRG · Independent Power Producers & Energy Traders

NRG Energy reported revenue of $30.7 billion in fiscal 2025, 2.5 times AES's $12.2 billion in fiscal 2025. AES's revenue fell 0.4% in its latest year, and NRG Energy's grew 9.2%. Free cash flow was −$1.6 billion at AES and $766 million at NRG Energy.

Side by side

AESNRG Energy
Latest fiscal yearFY2025, Dec 31, 2025FY2025, Dec 31, 2025
Revenue$12.2B$30.7B
Revenue growth−0.4%9.2%
Revenue growth a year, last 5 years4.8%27.6%
Gross margin18.1%—
Operating margin—6.0%
Net margin7.4%2.8%
Free cash flow−$1.6B$766M
Free cash flow margin−13.3%2.5%
Return on capital—10.9%
Net debt to EBITDA—3.6x
Dividends and buybacks$501M$1.7B
Change in diluted share count0.1%−6.1%
Last close$15.03$93.61
P/E at the last close5.7×24.6×
Insider trades, last 12 months—sold $2.7 billion
Piotroski F-score—6 of 8
Amounts in each company's own currency, US$ unless marked (a foreign company may report in another), each company's latest fiscal year from its 10-K, or 20-F or 40-F for a foreign company. Growth rates compare with the year before; the five-year rate is the average a year. Free cash flow is cash from operations minus capital spending; return on capital is after-tax operating income over the money invested in the business; P/E is the last close over the latest earnings per share. Banks are measured differently (return on equity, efficiency ratio), so some rows apply to one company only.

Ten years

Revenue
US$ billions, fiscal years
AESNRG Energy
Operating margin
Percent of revenue
AESNRG Energy
Free cash flow
US$ billions. Cash from operations minus capital expenditure.
AESNRG Energy

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Source: the companies' Form 10-K filings, from SEC EDGAR, and the last close. For information only, not investment advice: the figures describe results, not which company is the better investment. The Filing Desk is not affiliated with either company. Full figures on the AES and NRG Energy pages.