WallStSmart

National Grid PLC ADR (NGG)vsPinnacle West Capital Corp (PNW)

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Smart Verdict

WallStSmart Research — data-driven comparison

National Grid PLC ADR generates 224% more annual revenue ($17.69B vs $5.46B). NGG leads profitability with a 18.3% profit margin vs 12.0%. NGG appears more attractively valued with a PEG of 1.02. NGG earns a higher WallStSmart Score of 60/100 (C+).

NGG

Buy

60

out of 100

Grade: C+

Growth: 4.0Profit: 8.0Value: 5.7Quality: 3.5
Piotroski: 3/9Altman Z: 1.19

PNW

Buy

55

out of 100

Grade: C-

Growth: 5.3Profit: 5.5Value: 3.3Quality: 2.0
Piotroski: 1/9Altman Z: 0.57
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

Intrinsic value data unavailable for NGG.

PNWSignificantly Overvalued (-27.7%)

Margin of Safety

-27.7%

Fair Value

$75.17

Current Price

$103.06

$27.89 premium

UndervaluedFair: $75.17Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

NGG2 strengths · Avg: 9.5/10
Operating MarginProfitability
32.6%10/10

Strong operational efficiency at 32.6%

Market CapQuality
$81.17B9/10

Large-cap with strong market position

PNW1 strengths · Avg: 8.0/10
Price/BookValuation
1.8x8/10

Reasonable price relative to book value

Areas to Watch

NGG4 concerns · Avg: 3.5/10
Price/BookValuation
8.2x4/10

Trading at 8.2x 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

PNW4 concerns · Avg: 2.8/10
EPS GrowthGrowth
0.6%4/10

0.6% earnings growth

Piotroski F-ScoreQuality
1/93/10

Weak financial health signals

PEG RatioValuation
3.112/10

Expensive relative to growth rate

Free Cash FlowQuality
$-393.06M2/10

Negative free cash flow — burning cash

Comparative Analysis Report

WallStSmart Research

Bull Case : NGG

The strongest argument for NGG centers on Operating Margin, Market Cap. Profitability is solid with margins at 18.3% and operating margin at 32.6%. PEG of 1.02 suggests the stock is reasonably priced for its growth.

Bull Case : PNW

The strongest argument for PNW centers on Price/Book. Revenue growth of 11.4% demonstrates continued momentum.

Bear Case : NGG

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

Bear Case : PNW

The primary concerns for PNW are EPS Growth, Piotroski F-Score, PEG Ratio. Debt-to-equity of 2.14 is elevated, increasing financial risk.

Key Dynamics to Monitor

NGG carries more volatility with a beta of 0.60 — expect wider price swings.

PNW is growing revenue faster at 11.4% — sustainability is the question.

PNW generates stronger free cash flow (-393M), providing more financial flexibility.

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

Bottom Line

NGG scores higher overall (60/100 vs 55/100), 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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Pinnacle West Capital Corp

UTILITIES · UTILITIES - REGULATED ELECTRIC · USA

Pinnacle West Capital is a utility holding company that owns Arizona Public Service and Bright Canyon Energy.

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