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Compare · AES vs CEG

AES vs CEG

Side-by-side comparison of The AES Corporation (AES) and Constellation Energy Corporation (CEG): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both AES and CEG operate in Electric Utilities: Central (Utilities), so they compete in similar markets.
  • CEG is the larger of the two at $92.04B, about 8.8x AES ($10.46B).
  • Over the past year, AES is up 35.2% and CEG is down 16.3% - AES leads by 51.6 points.
  • CEG has hit the wire 6 times in the past 4 weeks while AES has been quiet.
  • Both have 25 recent analyst ratings on file.
PerformanceAES+35.23%CEG-16.32%
2025-06-09+0.00%2026-06-08
MetricAESCEG
Company
The AES Corporation
Constellation Energy Corporation
Price
$14.70+0.10%
$250.62-1.64%
Market cap
$10.46B
$92.04B
1M return
+2.94%
-19.37%
1Y return
+35.23%
-16.32%
Industry
Electric Utilities: Central
Electric Utilities: Central
Exchange
NYSE
NASDAQ
IPO
News (4w)
0
6
Recent ratings
25
25
AES

The AES Corporation

The AES Corporation operates as a diversified power generation and utility company. It owns and/or operates power plants to generate and sell power to customers, such as utilities, industrial users, and other intermediaries. The company also owns and/or operates utilities to generate or purchase, distribute, transmit, and sell electricity to end-user customers in the residential, commercial, industrial, and governmental sectors; and generates and sells electricity on the wholesale market. It uses a range of fuels and technologies to generate electricity, including natural gas, coal, pet coke, diesel, and oil, as well as renewables, such as hydro, solar, wind, energy storage, biomass, and landfill gas. The company owns and/or operates a generation portfolio of approximately 30,308 megawatts. It has operations in the United States, Puerto Rico, El Salvador, Chile, Colombia, Argentina, Brazil, Mexico, Central America, the Caribbean, Europe, and Asia. The company was formerly known as Applied Energy Services, Inc. and changed its name to The AES Corporation in April 2000. The AES Corporation was incorporated in 1981 and is headquartered in Arlington, Virginia.

CEG

Constellation Energy Corporation

Constellation Energy Corporation generates and sells electricity in the United States. The company operates through five segments: Mid-Atlantic, Midwest, New York, ERCOT, and Other Power Regions. It sells natural gas, renewable energy, and other energy-related products and services. The company has 32,400 megawatts of generating capacity consisting of nuclear, wind, solar, natural gas, and hydroelectric assets. It serves distribution utilities; municipalities; cooperatives; and commercial, industrial, governmental, and residential customers. The company was incorporated in 2021 and is headquartered in Baltimore, Maryland. Constellation Energy Corporation was formerly a subsidiary of Exelon Corporation.