Current
$25.8B
5-Year Average
$16.8B
All-Time High
$35.3B
All-Time Low
$1.84B
Market cap daily chart for NRG Energy (NRG)
Aug 2, 2021 – Jul 29, 2026 · 1,253 trading days
Market Cap growth chart for NRG Energy (NRG) from 2017 to 2026
Latest: -18.5%
Market Cap history table for NRG Energy (NRG) from 2003 to 2026
| 2026 | $25.8B | -18.5% | -$5.85B | ||
| 2025 | $31.7B | +65.7% | +$12.6B | ||
| 2024 | $19.1B | +62.3% | +$7.34B | ||
| 2023 | $11.8B | +57.0% | +$4.28B | ||
| 2022 | $7.51B | -28.9% | -$3.05B | ||
| 2021 | $10.6B | +14.3% | +$1.32B | ||
| 2020 | $9.24B | -12.0% | -$1.26B | ||
| 2019 | $10.5B | -14.0% | -$1.7B | ||
| 2018 | $12.2B | +35.1% | +$3.17B | ||
| 2017 | $9.03B | +133.0% | +$5.15B | ||
| 2016 | $3.87B | +0.0% | +$1.83M | ||
| 2015 | $3.87B | -57.6% | -$5.26B | ||
| 2014 | $9.14B | -1.5% | -$141M | ||
| 2013 | $9.28B | +72.4% | +$3.9B | ||
| 2012 | $5.38B | +23.2% | +$1.01B | ||
| 2011 | $4.37B | -12.0% | -$596M | ||
| 2010 | $4.96B | -22.4% | -$1.44B | ||
| 2009 | $6.4B | -0.3% | -$17.4M | ||
| 2008 | $6.42B | -48.6% | -$6.07B | ||
| 2007 | $12.5B | +48.1% | +$4.05B | ||
| 2006 | $8.43B | +109.2% | +$4.4B | ||
| 2005 | $4.03B | +11.2% | +$405M | ||
| 2004 | $3.62B | +65.5% | +$1.43B | ||
| 2003 | $2.19B | — | — |
- 2026$25.8B-18.5%
- 2025$31.7B+65.7%
- 2024$19.1B+62.3%
- 2023$11.8B+57.0%
- 2022$7.51B-28.9%
- 2021$10.6B+14.3%
- 2020$9.24B-12.0%
- 2019$10.5B-14.0%
- 2018$12.2B+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$6.4B-0.3%
- 2008$6.42B-48.6%
- 2007$12.5B+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 (share counts) and end-of-day prices (quarterly 10-Q and annual 10-K filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the filing date. YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
About Market Cap at NRG Energy (NRG)
According to NRG Energy's latest reported financial statements, the company's latest reported market cap is $30.4B. 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 .
As of the 2026 fiscal year, NRG Energy (NRG) reported market cap of $25.8B – declined 18.5% year-over-year.
Looking at the 2021–2026 (5 years) stretch, NRG Energy market cap compounded at +19.6% per year, with mixed annual results across the window.
Between 2025 and 2026, NRG Energy market cap declined 18.5%, falling from $31.7B to $25.8B.
The record annual market cap stands at $31.7B, reached in 2025; the historical low of $2.19B was recorded in 2003.
NRG Energy Market Cap by Year
NRG Energy Market Cap 2026: $25.8B
NRG Energy market cap in 2026 was $25.8B, declined 18.5% below 2025.
NRG Energy Market Cap 2025: $31.7B
2025's market cap for NRG Energy came in at $31.7B, surged 65.7% from 2024. This figure represents the highest annual value in the available history.
NRG Energy Market Cap 2024: $19.1B
NRG Energy posted market cap of $19.1B in 2024, surged 62.3% from 2023.
NRG Energy Market Cap 2023: $11.8B
In 2023, NRG Energy reported market cap of $11.8B, 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 by Market Cap
Utilities peers of NRG Energy (NRG), ranked by their latest market cap
| $240B | |
| $184B | |
| $108B | |
| $101B | |
| $92.6B | |
| $70.4B | |
| $62B | |
| $58.1B |
- $240B
- $184B
- $101B
- $58.1B
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NRG Energy (NRG) Key Financials
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- Stock Split History1 split
How this company returns cash to shareholders — buybacks, dividends, and stock splits.