National Grid PLC ADR (NGG)vsQuanta Services Inc (PWR)
NGG
National Grid PLC ADR
$81.86
-1.54%
UTILITIES · Cap: $81.17B
PWR
Quanta Services Inc
$719.17
+0.49%
INDUSTRIALS · Cap: $108.70B
Smart Verdict
WallStSmart Research — data-driven comparison
Quanta Services Inc generates 70% more annual revenue ($30.12B vs $17.69B). NGG leads profitability with a 18.3% profit margin vs 3.7%. 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+
PWR
Buy56
out of 100
Grade: C
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Strong operational efficiency at 32.6%
Large-cap with strong market position
Earnings expanding 51.0% YoY
Large-cap with strong market position
Revenue surging 26.3% year-over-year
Areas to Watch
Trading at 8.2x book value
2.0% revenue growth
Elevated debt levels
Weak financial health signals
Expensive relative to growth rate
Trading at 11.9x book value
3.7% margin — thin
Operating margin of 4.2%
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 : PWR
The strongest argument for PWR centers on EPS Growth, Market Cap, Revenue Growth. Revenue growth of 26.3% demonstrates continued momentum.
Bear Case : NGG
The primary concerns for NGG are Price/Book, Revenue Growth, Debt/Equity.
Bear Case : PWR
The primary concerns for PWR are PEG Ratio, Price/Book, Profit Margin. A P/E of 99.0x leaves little room for execution misses. Thin 3.7% margins leave little buffer for downturns.
Key Dynamics to Monitor
NGG profiles as a value stock while PWR is a growth play — different risk/reward profiles.
PWR carries more volatility with a beta of 1.22 — expect wider price swings.
PWR is growing revenue faster at 26.3% — sustainability is the question.
PWR generates stronger free cash flow (172M), providing more financial flexibility.
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 →Quanta Services Inc
INDUSTRIALS · ENGINEERING & CONSTRUCTION · USA
Quanta Services is an American corporation that provides infrastructure services for electric power, pipeline, industrial and communications industries. Capabilities include the planning, design, installation, program management, maintenance and repair of most types of network infrastructure.
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