WallStSmart

National Grid PLC ADR (NGG)vsNRG Energy Inc. (NRG)

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Smart Verdict

WallStSmart Research — data-driven comparison

NRG Energy Inc. generates 87% more annual revenue ($33.12B vs $17.69B). NGG leads profitability with a 18.3% profit margin vs 2.6%. NRG appears more attractively valued with a PEG of 0.40. NGG earns a higher WallStSmart Score of 62/100 (C+).

NGG

Buy

62

out of 100

Grade: C+

Growth: 4.0Profit: 8.0Value: 7.0Quality: 3.5
Piotroski: 3/9Altman Z: 1.19

NRG

Buy

60

out of 100

Grade: C+

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

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

NGG4 strengths · Avg: 8.8/10
Operating MarginProfitability
32.6%10/10

Strong operational efficiency at 32.6%

Market CapQuality
$75.65B9/10

Large-cap with strong market position

PEG RatioValuation
0.988/10

Growing faster than its price suggests

P/E RatioValuation
17.5x8/10

Attractively priced relative to earnings

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

Growing faster than its price suggests

Areas to Watch

NGG4 concerns · Avg: 3.5/10
Price/BookValuation
8.5x4/10

Trading at 8.5x book value

Revenue GrowthGrowth
2.0%4/10

2.0% revenue growth

Debt/EquityHealth
1.193/10

Elevated debt levels

Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

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%

Comparative Analysis Report

WallStSmart Research

Bull Case : NGG

The strongest argument for NGG centers on Operating Margin, Market Cap, PEG Ratio. Profitability is solid with margins at 18.3% and operating margin at 32.6%. PEG of 0.98 suggests the stock is reasonably priced for its growth.

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.

Bear Case : NGG

The primary concerns for NGG are Price/Book, Revenue Growth, Debt/Equity.

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.

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 - REGULATED ELECTRIC industry trends, competitive dynamics, and regulatory changes.

Bottom Line

NGG scores higher overall (62/100 vs 60/100), backed by strong 18.3% margins. Both earn "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.

National Grid PLC ADR

UTILITIES · UTILITIES - REGULATED ELECTRIC · USA

National Grid plc transmits and distributes electricity and natural gas. The company is headquartered in London, the United Kingdom.

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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.

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