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NRG Energy, Inc. (NRG)
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The market capitalization for NRG Energy, Inc. (NRG) is $28.50 Billion, making it a Large Cap company. Market cap is calculated by multiplying the current stock price by the total number of shares outstanding.

Market Capitalization

$28.50B

$28.50 Billion

Calculation

Stock Price
$135.06
Shares Outstanding
210.99M
Market Cap
$28.50B

Market Cap = Price × Shares Outstanding

Size Classification

Large Cap

$10B - $1T

Companies with market capitalization between $10 billion and $1 trillion.

Market Cap Size Scale

Micro Cap

<$250M

Small Cap

$250M-$2B

Mid Cap

$2B-$10B

Large Cap

$10B-$1T

Mega Cap

>$1T

NRG Market Cap: $28.50 Billion

Related Valuation Metrics

Key Statistics

Market Cap$28.50 Billion
Stock Price$135.06
Shares Outstanding210.99M
Size CategoryLarge Cap
P/E Ratio158.89
P/B Ratio5.76
Data as of Sunday, June 21, 2026

About NRG Energy, Inc.

NRG Energy, Inc., together with its affiliated entities, operates as a comprehensive power utility spanning the United States. Its operations are divided into three main geographical divisions: Texas, East, and West. The company plays a crucial role in generating, distributing, and selling electricity and various related services, serving approximately six million customers across residential, commercial, industrial, and wholesale sectors. Their energy generation capabilities are diverse, drawing from natural gas, coal, oil, solar, nuclear, and battery storage technologies. Beyond core power provision, NRG offers an extensive array of solutions, including centralized system power, decentralized generation, renewable energy products, emergency backup power, distributed solar and storage installations, demand-side management, energy efficiency programs, expert advisory services, carbon management initiatives, and bespoke on-site energy solutions. Furthermore, NRG actively engages in the trading of electric power, natural gas, and associated commodities, alongside environmental credits, weather-related products, and various financial instruments such as forwards, futures, options, and swaps. The company also manages fuel procurement and transportation services. It directly markets energy, services, and products to retail consumers through several established brands, including NRG, Reliant, Direct Energy, Green Mountain Energy, Stream, and XOOM Energy. As of December 31, 2021, NRG Energy's generation assets encompassed approximately 18,000 megawatts of capacity across 25 owned and leased facilities. The corporation was founded in 1989 and maintains its corporate headquarters in Houston, Texas.

Houston, TX
15,637 employees
Utilities / Independent Power Producers
Sector
Utilities
Industry
Independent Power Producers
CEO
Lawrence Stephen Coben