NRG Energy Inc. (NRG)vsWestern Digital Corporation (WDC)
NRG
NRG Energy Inc.
$133.36
+2.22%
UTILITIES · Cap: $26.47B
WDC
Western Digital Corporation
$575.50
+4.79%
TECHNOLOGY · Cap: $225.26B
Smart Verdict
WallStSmart Research — data-driven comparison
NRG Energy Inc. generates 175% more annual revenue ($32.38B vs $11.78B). WDC leads profitability with a 55.3% profit margin vs 0.7%. NRG appears more attractively valued with a PEG of 0.43. WDC earns a higher WallStSmart Score of 80/100 (A-).
NRG
Buy51
out of 100
Grade: C-
WDC
Exceptional Buy80
out of 100
Grade: A-
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Growing faster than its price suggests
19.5% revenue growth
Mega-cap, among the largest globally
Every $100 of equity generates 67 in profit
Keeps 55 of every $100 in revenue as profit
Strong operational efficiency at 37.0%
Revenue surging 45.5% year-over-year
Earnings expanding 482.9% YoY
Areas to Watch
Distress zone — elevated risk
ROE of 4.9% — below average capital efficiency
0.7% margin — thin
Operating margin of 3.6%
Premium valuation, high expectations priced in
Distress zone — elevated risk
Trading at 27.5x book value
Comparative Analysis Report
WallStSmart ResearchBull Case : NRG
The strongest argument for NRG centers on PEG Ratio, Revenue Growth. Revenue growth of 19.5% demonstrates continued momentum. PEG of 0.43 suggests the stock is reasonably priced for its growth.
Bull Case : WDC
The strongest argument for WDC centers on Market Cap, Return on Equity, Profit Margin. Profitability is solid with margins at 55.3% and operating margin at 37.0%. Revenue growth of 45.5% demonstrates continued momentum.
Bear Case : NRG
The primary concerns for NRG are Altman Z-Score, Return on Equity, Profit Margin. A P/E of 136.4x leaves little room for execution misses. Debt-to-equity of 4.79 is elevated, increasing financial risk.
Bear Case : WDC
The primary concerns for WDC are P/E Ratio, Altman Z-Score, Price/Book.
Key Dynamics to Monitor
WDC carries more volatility with a beta of 2.20 — expect wider price swings.
WDC is growing revenue faster at 45.5% — sustainability is the question.
WDC generates stronger free cash flow (978M), providing more financial flexibility.
Monitor UTILITIES - INDEPENDENT POWER PRODUCERS industry trends, competitive dynamics, and regulatory changes.
Bottom Line
WDC scores higher overall (80/100 vs 51/100), backed by strong 55.3% margins and 45.5% revenue growth. Both earn "Exceptional Buy" and "Buy" ratings respectively — the choice depends on your investment horizon and risk tolerance.
This analysis is generated from publicly available financial data. Not financial advice.
NRG Energy Inc.
UTILITIES · UTILITIES - INDEPENDENT POWER PRODUCERS · USA
NRG Energy, Inc. is a large American energy company, headquartered in Houston, Texas. It was formerly the wholesale arm of Northern States Power Company (NSP), which became Xcel Energy, but became independent in 2000. NRG Energy is involved in energy generation and retail electricity.
Western Digital Corporation
TECHNOLOGY · COMPUTER HARDWARE · USA
Western Digital Corporation (WDC, commonly known as Western Digital or WD) is an American computer hard disk drive manufacturer and data storage company, headquartered in San Jose, California. It designs, manufactures and sells data technology products, including storage devices, data center systems and cloud storage services.
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