Market Cap for NRG Energy (NRG)
According to NRG Energy's latest reported financial statements, the company's latest reported market cap is $30.32B USD. Market capitalization is the total dollar value of all outstanding shares — shares outstanding × stock price — and the standard measure of a company's equity value. On this page, historical market cap snaps filing-period share counts to closing prices on or before each statement date (not intraday tick data).
Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .
NRG
Currently viewingMarket CapSwitch metric
Latest period
$30.32B
YoY change
-6.4%
5Y CAGR
+22.9%
Peak year (2025)
$31.69B
Latest annual
$29.65B
Market Cap history chart for NRG Energy (NRG) from 2003 to 2026
Market Cap history table for NRG Energy (NRG) from 2003 to 2026
| Fiscal year | Period ended | Reported | Market Cap | YoY |
|---|---|---|---|---|
| 2026 | $29.65B | -6.4% | ||
| 2025 | $31.69B | +65.7% | ||
| 2024 | $19.13B | +62.3% | ||
| 2023 | $11.79B | +57.0% | ||
| 2022 | $7.51B | -28.9% | ||
| 2021 | $10.55B | +14.3% | ||
| 2020 | $9.24B | -12.0% | ||
| 2019 | $10.49B | -14.0% | ||
| 2018 | $12.20B | +35.1% | ||
| 2017 | $9.03B | +133.0% | ||
| 2016 | $3.87B | +0.0% | ||
| 2015 | $3.87B | -57.6% | ||
| 2014 | $9.14B | -1.5% | ||
| 2013 | $9.28B | +72.4% | ||
| 2012 | $5.38B | +23.2% | ||
| 2011 | $4.37B | -12.0% | ||
| 2010 | $4.96B | -22.4% | ||
| 2009 | $6.40B | -0.3% | ||
| 2008 | $6.42B | -48.6% | ||
| 2007 | $12.48B | +48.1% | ||
| 2006 | $8.43B | +109.2% | ||
| 2005 | $4.03B | +11.2% | ||
| 2004 | $3.62B | +65.5% | ||
| 2003 | $2.19B | — |
Market Cap values are taken from NRG Energy's reported income statements (10-Q quarterly and 10-K annual filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the date the filing was reported; YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
Analysis
As of the 2026 fiscal year, NRG Energy (NRG) reported market cap of $29.65B – declined 6.4% year-over-year.
Looking at the 2021–2026 (5 years) stretch, NRG Energy market cap compounded at +22.9% per year, with the latest reading among the more recent periods of the dataset.
Between 2025 and 2026, NRG Energy market cap declined 6.4%, falling from $31.69B to $29.65B.
The dataset's maximum market cap sits at $31.69B (2025); the minimum reading of $2.19B dates to 2003.
Within Utilities, NRG Energy (NRG) ranks 9th among 8 peers we track. The peer median for market cap is $97.46B.
NRG Energy Market Cap by Year
NRG Energy Market Cap 2026: $29.65B
NRG Energy market cap in 2026 was $29.65B, declined 6.4% below 2025.
NRG Energy Market Cap 2025: $31.69B
NRG Energy market cap in 2025 was $31.69B, surged 65.7% from 2024. This figure represents the highest annual value in the available history.
NRG Energy Market Cap 2024: $19.13B
NRG Energy market cap in 2024 was $19.13B, surged 62.3% from 2023.
NRG Energy Market Cap 2023: $11.79B
NRG Energy market cap in 2023 was $11.79B, surged 57.0% from 2022.
NRG Energy Market Cap 2022: $7.51B
NRG Energy market cap in 2022 was $7.51B.
See more financial history for NRG Energy (NRG).
Sector peers — Market Cap
Companies in the same sector as NRG Energy, ranked by their latest market cap.
| Company | Market Cap | Sector |
|---|---|---|
| GE Vernova Inc. (GEV) | $292.62B | Utilities |
| NextEra Energy, Inc. (NEE) | $201.26B | Utilities |
| The Southern Company (SO) | $106.43B | Utilities |
| Duke Energy Corporation (DUK) | $99.46B | Utilities |
| Constellation Energy Corporation (CEG) | $95.47B | Utilities |
| American Electric Power Company, Inc. (AEP) | $73.70B | Utilities |
| Sempra (SRE) | $60.69B | Utilities |
| Dominion Energy, Inc. (D) | $55.28B | Utilities |
Frequently asked questions
What is NRG Energy's market cap?
- Latest reported market cap for NRG Energy (NRG) is $30.32B (period ending December 31, 2025).
How has NRG Energy market cap changed year-over-year?
- NRG Energy (NRG) market cap changed -6.4% year-over-year on the latest annual filing.
What is the long-term growth rate of NRG Energy market cap?
- NRG Energy (NRG) market cap compound annual growth rate is +22.9% over the most recent 5 years available.
When did NRG Energy market cap hit its highest annual value?
- NRG Energy market cap reached its highest annual value of $31.69B in 2025.
What was NRG Energy market cap in 2025?
- NRG Energy (NRG) market cap in 2025 was $31.69B.
What was NRG Energy market cap in 2026?
- NRG Energy (NRG) market cap in 2026 was $29.65B.
Metrics overview
Pick a metric for charts, filings, and peers — each row shows the latest TTM or annual value with year-over-year change.
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