National Grid PLC ADR (NGG)vsSouthern Company (SO)
NGG
National Grid PLC ADR
$81.86
-1.54%
UTILITIES · Cap: $81.17B
SO
Southern Company
$92.60
+0.61%
UTILITIES · Cap: $106.32B
Smart Verdict
WallStSmart Research — data-driven comparison
Southern Company generates 71% more annual revenue ($30.18B vs $17.69B). NGG leads profitability with a 18.3% profit margin vs 14.5%. NGG appears more attractively valued with a PEG of 1.02. NGG earns a higher WallStSmart Score of 60/100 (C+).
NGG
Buy60
out of 100
Grade: C+
SO
Buy56
out of 100
Grade: C
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Intrinsic value data unavailable for NGG.
Margin of Safety
-48.3%
Fair Value
$62.79
Current Price
$92.60
$29.81 premium
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Strong operational efficiency at 32.6%
Large-cap with strong market position
Large-cap with strong market position
Reasonable price relative to book value
Strong operational efficiency at 25.8%
Areas to Watch
Trading at 8.2x book value
2.0% revenue growth
Elevated debt levels
Weak financial health signals
Weak financial health signals
Expensive relative to growth rate
Earnings declined 0.8%
Negative free cash flow — burning cash
Comparative Analysis Report
WallStSmart ResearchBull 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 : SO
The strongest argument for SO centers on Market Cap, Price/Book, Operating Margin.
Bear Case : NGG
The primary concerns for NGG are Price/Book, Revenue Growth, Debt/Equity.
Bear Case : SO
The primary concerns for SO are Piotroski F-Score, PEG Ratio, EPS Growth. Debt-to-equity of 2.05 is elevated, increasing financial risk.
Key Dynamics to Monitor
NGG carries more volatility with a beta of 0.60 — expect wider price swings.
SO is growing revenue faster at 8.0% — sustainability is the question.
SO generates stronger free cash flow (-1.7B), providing more financial flexibility.
Monitor UTILITIES - REGULATED ELECTRIC industry trends, competitive dynamics, and regulatory changes.
Bottom Line
NGG scores higher overall (60/100 vs 56/100), 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.
Visit Website →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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