GNRC vs. PWR: Generac vs. Quanta Services Stock Comparison

November 11, 2026

How do Generac (GNRC) and Quanta Services (PWR) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.

Company Profile

Generac (GNRC) and Quanta Services (PWR) both fall under the Capital Goods industry group, but GNRC is classified in Electrical Equipment while PWR is classified in Construction & Engineering.

Company profile comparison for Generac (GNRC) and Quanta Services (PWR)
Profile Item	GNRC	PWR
Name	Generac Holdings Inc.	Quanta Services, Inc.
Country/Region	United States	United States
GICS Sector	Industrials	Industrials
GICS Industry Group	Capital Goods	Capital Goods
GICS Industry	Electrical Equipment	Construction & Engineering
GICS Sub-Industry	Electrical Components & Equipment	Construction & Engineering
Market Capitalization	10.43 billion USD	81.50 billion USD
Currency	USD	USD
Exchange	NYSE	NYSE
Listing Date	February 11, 2010	February 12, 1998
Security Type	Common Stock	Common Stock

Price Performance

Cumulative Growth

GNRC

PWR

GSPC

Generac (GNRC) vs. Quanta Services (PWR), with S&P 500 (GSPC) for reference: Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Trailing Returns

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Trailing total returns for Generac (GNRC) and Quanta Services (PWR). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for Generac (GNRC) and Quanta Services (PWR). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for Generac (GNRC) and Quanta Services (PWR)
Metric	GNRC	PWR
Total Return (1Y)	23.38%	32.97%
Total Return (3Y, Annualized)	23.05%	51.81%
Total Return (5Y, Annualized)	-15.31%	38.19%

Risk Profile

Drawdown History

GNRC

PWR

GSPC

Generac (GNRC) vs. Quanta Services (PWR), with S&P 500 (GSPC) for reference: Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Return Distribution

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Distribution of monthly total returns for Generac (GNRC) and Quanta Services (PWR). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for Generac (GNRC) and Quanta Services (PWR)
Metric	GNRC	PWR
Volatility (1Y, Annualized)	59.48%	50.22%
Beta (5Y)	1.84	1.29
Max Drawdown (5Y)	-81.73%	-35.15%
Avg. Volume (3M)	1.22M	1.19M

Risk-Adjusted Performance

Risk-Return Positioning

GNRC and PWR are plotted by 1-year volatility (risk) and 1-year return. The dashed Capital Allocation Line runs from the risk-free rate through the shared industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for Generac (GNRC) and Quanta Services (PWR)
Metric	GNRC	PWR
Sharpe Ratio (1Y)	0.32	0.57
Sortino Ratio (1Y)	0.50	0.87

Profitability

ROE (TTM)

Both Generac (GNRC) at 10.64% and Quanta Services (PWR) at 18.02% land near their industries’ usual ROE ranges, so capital efficiency looks broadly in line with peers on both sides.

GNRC

Capital Goods industry group

10.64%

Max: 40.55%
Q3: 19.29%
Median: 12.12%
GNRC: 10.64%
Q1: 4.08%
Min: -17.12%

PWR

Capital Goods industry group

18.02%

Max: 40.55%
Q3: 19.29%
PWR: 18.02%
Median: 12.12%
Q1: 4.08%
Min: -17.12%

Generac (GNRC) vs. Quanta Services (PWR): A comparison of their ROE against the Capital Goods industry group benchmark.

Net Margin (TTM)

Both Generac (GNRC) at 6.52% and Quanta Services (PWR) at 4.51% keep about the typical share of revenue as profit for their industries — neither bottom line stands out from peers.

GNRC

Capital Goods industry group

6.52%

Max: 27.47%
Q3: 12.10%
GNRC: 6.52%
Median: 6.30%
Q1: 1.40%
Min: -12.89%

PWR

Capital Goods industry group

4.51%

Max: 27.47%
Q3: 12.10%
Median: 6.30%
PWR: 4.51%
Q1: 1.40%
Min: -12.89%

Generac (GNRC) vs. Quanta Services (PWR): A comparison of their net margin against the Capital Goods industry group benchmark.

Operating Margin (TTM)

Both Generac (GNRC) at 11.67% and Quanta Services (PWR) at 8.63% run core operations about as efficiently as their industries’ norm — neither stands out on operating profitability.

GNRC

Capital Goods industry group

11.67%

Max: 36.60%
Q3: 18.33%
GNRC: 11.67%
Median: 11.12%
Q1: 5.14%
Min: -12.63%

PWR

Capital Goods industry group

8.63%

Max: 36.60%
Q3: 18.33%
Median: 11.12%
PWR: 8.63%
Q1: 5.14%
Min: -12.63%

Generac (GNRC) vs. Quanta Services (PWR): A comparison of their operating margin against the Capital Goods industry group benchmark.

Profitability Metrics

Profitability metrics for Generac (GNRC) and Quanta Services (PWR)
Metric	GNRC	PWR
ROE (TTM)	10.64%	18.02%
ROA (TTM)	4.24%	5.72%
Net Margin (TTM)	6.52%	4.51%
Operating Margin (TTM)	11.67%	8.63%
Gross Margin (TTM)	38.18%	15.76%

Growth

Revenue Growth

Quanta Services (PWR) at 20.31% sits in the top revenue growth quartile, while Generac (GNRC) at -2.02% is in the bottom quartile, showing a clear gap in revenue momentum.

Generac (GNRC) vs. Quanta Services (PWR): A comparison of their Revenue Growth across different time periods.

EPS Growth

Quanta Services (PWR) at 12.77% is around its peer norm for EPS growth, while Generac (GNRC) at -50.09% drops into the bottom quartile, signaling weaker earnings momentum.

Generac (GNRC) vs. Quanta Services (PWR): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for Generac (GNRC) and Quanta Services (PWR)
Metric	GNRC	PWR
Revenue Growth (YoY)	-2.02%	20.31%
Revenue Growth (3Y CAGR)	-2.67%	18.60%
EPS Growth (YoY)	-50.09%	12.77%
EPS Growth (3Y CAGR)	-20.83%	27.00%

Financial Strength

Current Ratio (MRQ)

Generac (GNRC) at 1.97 keeps current ratio within its industry’s typical mid-range, while Quanta Services (PWR) at 1.16 runs in the tighter-liquidity quartile — a thinner cushion against current liabilities for PWR.

GNRC

Capital Goods industry group

1.97

Max: 5.22
Q3: 2.95
Median: 2.08
GNRC: 1.97
Q1: 1.43
Min: 0.36

PWR

Capital Goods industry group

1.16

Max: 5.22
Q3: 2.95
Median: 2.08
Q1: 1.43
PWR: 1.16
Min: 0.36

Generac (GNRC) vs. Quanta Services (PWR): A comparison of their current ratio against the Capital Goods industry group benchmark.

Debt / Equity (MRQ)

Both Generac (GNRC) at 0.47 and Quanta Services (PWR) at 0.71 fund their balance sheets with roughly industry-typical debt-to-equity mixes.

GNRC

Capital Goods industry group

0.47

Max: 2.33
Q3: 1.12
Median: 0.60
GNRC: 0.47
Q1: 0.29
Min: 0.00

PWR

Capital Goods industry group

0.71

Max: 2.33
Q3: 1.12
PWR: 0.71
Median: 0.60
Q1: 0.29
Min: 0.00

Generac (GNRC) vs. Quanta Services (PWR): A comparison of their debt-to-equity ratio against the Capital Goods industry group benchmark.

Financial Strength Metrics

Financial strength metrics for Generac (GNRC) and Quanta Services (PWR)
Metric	GNRC	PWR
Current Ratio (MRQ)	1.97	1.16
Debt / Equity (MRQ)	0.47	0.71
Net Debt / EBITDA	1.65	1.43

Dividends

Dividend Yield (TTM)

Generac (GNRC) pays no dividend (yield 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile Quanta Services (PWR) reports a yield of 0.09%, ranking against industry peers normally.

GNRC

Capital Goods industry group

0.00%

Max: 2.66%
Q3: 1.14%
Median: 0.24%
GNRC: 0.00%
Q1: 0.00%
Min: 0.00%

PWR

Capital Goods industry group

0.09%

Max: 2.66%
Q3: 1.14%
Median: 0.24%
PWR: 0.09%
Q1: 0.00%
Min: 0.00%

Generac (GNRC) vs. Quanta Services (PWR): A comparison of their dividend yield against the Capital Goods industry group benchmark.

Dividend Payout Ratio (TTM)

Generac (GNRC) pays no dividend (payout 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile Quanta Services (PWR) reports a payout of 3.98%, ranking against industry peers normally.

GNRC

Capital Goods industry group

0.00%

Max: 67.39%
Q3: 28.02%
Median: 6.86%
GNRC: 0.00%
Q1: 0.00%
Min: 0.00%

PWR

Capital Goods industry group

3.98%

Max: 67.39%
Q3: 28.02%
Median: 6.86%
PWR: 3.98%
Q1: 0.00%
Min: 0.00%

Generac (GNRC) vs. Quanta Services (PWR): A comparison of their payout ratio against the Capital Goods industry group benchmark.

Dividend Metrics

Dividend metrics for Generac (GNRC) and Quanta Services (PWR)
Metric	GNRC	PWR
Dividend Yield (TTM)	0.00%	0.09%
Dividend Payout Ratio (TTM)	0.00%	3.98%

Valuation

P/E Ratio (TTM)

Generac (GNRC) at 34.87 is near its industry’s usual P/E ratio, while Quanta Services (PWR) at 48.95 sits in the richer quartile — PWR needs stronger growth or earnings quality to justify the premium.

GNRC

Capital Goods industry group

34.87

Max: 59.38
Q3: 35.92
GNRC: 34.87
Median: 25.41
Q1: 19.47
Min: 3.03

PWR

Capital Goods industry group

48.95

Max: 59.38
PWR: 48.95
Q3: 35.92
Median: 25.41
Q1: 19.47
Min: 3.03

Generac (GNRC) vs. Quanta Services (PWR): A comparison of their P/E ratio against the Capital Goods industry group benchmark.

P/S Ratio (TTM)

On P/S ratio, both Generac (GNRC) at 2.26 and Quanta Services (PWR) at 2.19 are priced roughly in line with their industries — neither looks cheap nor rich on a sales basis.

GNRC

Capital Goods industry group

2.26

Max: 7.54
Q3: 3.76
GNRC: 2.26
Median: 2.15
Q1: 1.03
Min: 0.03

PWR

Capital Goods industry group

2.19

Max: 7.54
Q3: 3.76
PWR: 2.19
Median: 2.15
Q1: 1.03
Min: 0.03

Generac (GNRC) vs. Quanta Services (PWR): A comparison of their P/S ratio against the Capital Goods industry group benchmark.

P/B Ratio (MRQ)

Generac (GNRC) at 3.46 is valued about in line with its industry on P/B ratio, while Quanta Services (PWR) at 7.73 carries an above-peer premium to book — PWR is pricier on assets.

GNRC

Capital Goods industry group

3.46

Max: 9.66
Q3: 5.00
GNRC: 3.46
Median: 3.12
Q1: 1.81
Min: -1.08

PWR

Capital Goods industry group

7.73

Max: 9.66
PWR: 7.73
Q3: 5.00
Median: 3.12
Q1: 1.81
Min: -1.08

Generac (GNRC) vs. Quanta Services (PWR): A comparison of their P/B ratio against the Capital Goods industry group benchmark.

Valuation Metrics

Valuation metrics for Generac (GNRC) and Quanta Services (PWR)
Metric	GNRC	PWR
P/E Ratio (TTM)	34.87	48.95
P/S Ratio (TTM)	2.26	2.19
P/B Ratio (MRQ)	3.46	7.73
Free Cash Flow Yield (TTM)	3.21%	3.78%