WallStSmart

NRG Energy Inc. (NRG)vsSouthern Company (SO)

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Smart Verdict

WallStSmart Research — data-driven comparison

NRG Energy Inc. generates 10% more annual revenue ($33.12B vs $30.18B). SO leads profitability with a 15.4% profit margin vs 2.6%. NRG appears more attractively valued with a PEG of 0.40. SO earns a higher WallStSmart Score of 66/100 (B-).

NRG

Buy

60

out of 100

Grade: C+

Growth: 3.3Profit: 6.0Value: 7.0Quality: 4.0
Piotroski: 4/9Altman Z: 1.61

SO

Strong Buy

66

out of 100

Grade: B-

Growth: 6.0Profit: 7.5Value: 4.0Quality: 3.0
Piotroski: 2/9Altman Z: 0.65
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

Intrinsic value data unavailable for NRG.

SOSignificantly Overvalued (-32.5%)

Margin of Safety

-32.5%

Fair Value

$62.16

Current Price

$82.33

$20.17 premium

UndervaluedFair: $62.16Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

NRG1 strengths · Avg: 10.0/10
PEG RatioValuation
0.4010/10

Growing faster than its price suggests

SO4 strengths · Avg: 8.3/10
Market CapQuality
$96.02B9/10

Large-cap with strong market position

Price/BookValuation
2.4x8/10

Reasonable price relative to book value

Operating MarginProfitability
29.6%8/10

Strong operational efficiency at 29.6%

EPS GrowthGrowth
30.4%8/10

Earnings expanding 30.4% YoY

Areas to Watch

NRG4 concerns · Avg: 3.3/10
P/E RatioValuation
26.9x4/10

Moderate valuation

Altman Z-ScoreHealth
1.614/10

Distress zone — elevated risk

Profit MarginProfitability
2.6%3/10

2.6% margin — thin

EPS GrowthGrowth
-85.6%2/10

Earnings declined 85.6%

SO4 concerns · Avg: 3.5/10
PEG RatioValuation
2.014/10

Expensive relative to growth rate

Revenue GrowthGrowth
0.1%4/10

0.1% revenue growth

Debt/EquityHealth
1.953/10

Elevated debt levels

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

Comparative Analysis Report

WallStSmart Research

Bull Case : NRG

The strongest argument for NRG centers on PEG Ratio. Revenue growth of 11.0% demonstrates continued momentum. PEG of 0.40 suggests the stock is reasonably priced for its growth.

Bull Case : SO

The strongest argument for SO centers on Market Cap, Price/Book, Operating Margin. Profitability is solid with margins at 15.4% and operating margin at 29.6%.

Bear Case : NRG

The primary concerns for NRG are P/E Ratio, Altman Z-Score, Profit Margin. Debt-to-equity of 4.83 is elevated, increasing financial risk. Thin 2.6% margins leave little buffer for downturns.

Bear Case : SO

The primary concerns for SO are PEG Ratio, Revenue Growth, Debt/Equity. Debt-to-equity of 1.95 is elevated, increasing financial risk.

Key Dynamics to Monitor

NRG carries more volatility with a beta of 1.17 — expect wider price swings.

NRG is growing revenue faster at 11.0% — sustainability is the question.

NRG generates stronger free cash flow (779M), providing more financial flexibility.

Monitor UTILITIES - INDEPENDENT POWER PRODUCERS industry trends, competitive dynamics, and regulatory changes.

Bottom Line

SO scores higher overall (66/100 vs 60/100), backed by strong 15.4% margins. Both earn "Strong 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.

Southern Company

UTILITIES · UTILITIES - REGULATED ELECTRIC · USA

Southern Company is an American gas and electric utility holding company based in the southern United States. It is headquartered in Atlanta, Georgia, with executive offices also located in Birmingham, Alabama.

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