National Grid PLC ADR (NGG)vsQuanta Services Inc (PWR)
NGG
National Grid PLC ADR
$87.86
+0.25%
UTILITIES · Cap: $88.05B
PWR
Quanta Services Inc
$785.29
+1.77%
INDUSTRIALS · Cap: $113.65B
Smart Verdict
WallStSmart Research — data-driven comparison
Quanta Services Inc generates 72% more annual revenue ($30.12B vs $17.48B). NGG leads profitability with a 16.4% profit margin vs 3.7%. NGG appears more attractively valued with a PEG of 1.10. PWR earns a higher WallStSmart Score of 54/100 (C-).
NGG
Buy50
out of 100
Grade: C-
PWR
Buy54
out of 100
Grade: C-
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Large-cap with strong market position
Strong operational efficiency at 24.1%
Earnings expanding 51.0% YoY
Large-cap with strong market position
Revenue surging 26.3% year-over-year
Areas to Watch
Trading at 8.8x book value
ROE of 7.9% — below average capital efficiency
Elevated debt levels
Revenue declined 11.3%
Expensive relative to growth rate
Trading at 13.1x 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 Market Cap, Operating Margin. Profitability is solid with margins at 16.4% and operating margin at 24.1%. PEG of 1.10 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, Return on Equity, Debt/Equity.
Bear Case : PWR
The primary concerns for PWR are PEG Ratio, Price/Book, Profit Margin. A P/E of 102.1x leaves little room for execution misses. Thin 3.7% margins leave little buffer for downturns.
Key Dynamics to Monitor
NGG profiles as a declining stock while PWR is a growth play — different risk/reward profiles.
PWR carries more volatility with a beta of 1.24 — 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
PWR scores higher overall (54/100 vs 50/100) and 26.3% revenue growth. 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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