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Compare · CEG vs NNE

CEG vs NNE

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

Summary

  • Both CEG and NNE operate in Electric Utilities: Central (Utilities), so they compete in similar markets.
  • CEG is the larger of the two at $96.44B, about 79.1x NNE ($1.22B).
  • Over the past year, CEG is up 24.4% and NNE is down 3.1% - CEG leads by 27.4 points.
  • CEG has been more active in the news (14 items in the past 4 weeks vs 9 for NNE).
  • CEG has more recent analyst coverage (25 ratings vs 5 for NNE).
PerformanceCEG+24.36%NNE-3.06%
2025-05-02+0.00%2026-05-01
MetricCEGNNE
Company
Constellation Energy Corporation
Nano Nuclear Energy Inc.
Price
$307.75-1.68%
$23.43+0.15%
Market cap
$96.44B
$1.22B
1M return
+10.11%
+14.85%
1Y return
+24.36%
-3.06%
Industry
Electric Utilities: Central
Electric Utilities: Central
Exchange
NASDAQ
NASDAQ
IPO
2024
News (4w)
14
9
Recent ratings
25
5
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.

Latest CEG

Latest NNE