Quanta Services (NYSE: PWR) reported earnings on May 3. Here are the numbers you need to know.

The 10-second takeaway
For the quarter ended March 31 (Q1), Quanta Services beat expectations on revenues and earnings per share.

Compared to the prior-year quarter, revenue increased significantly and GAAP earnings per share increased.

Margins expanded across the board.

Revenue details
Quanta Services notched revenue of $1.43 billion. The 17 analysts polled by S&P Capital IQ wanted to see sales of $1.26 billion on the same basis. GAAP reported sales were 68% higher than the prior-year quarter's $849.0 million.

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Source: S&P Capital IQ. Quarterly periods. Dollar amounts in millions. Non-GAAP figures may vary to maintain comparability with estimates.

EPS details
EPS came in at $0.22. The 13 earnings estimates compiled by S&P Capital IQ averaged $0.16 per share. GAAP EPS were $0.22 for Q1 compared to -$0.08 per share for the prior-year quarter.

Source: S&P Capital IQ. Quarterly periods. Non-GAAP figures may vary to maintain comparability with estimates.

Margin details
For the quarter, gross margin was 13.7%, 530 basis points better than the prior-year quarter. Operating margin was 5.6%, 860 basis points better than the prior-year quarter. Net margin was 3.2%, 530 basis points better than the prior-year quarter.

Looking ahead
Next quarter's average estimate for revenue is $1.44 billion. On the bottom line, the average EPS estimate is $0.27.

Next year's average estimate for revenue is $5.53 billion. The average EPS estimate is $1.11.

Investor sentiment
The stock has a four-star rating (out of five) at Motley Fool CAPS, with 476 members out of 490 rating the stock outperform, and 14 members rating it underperform. Among 120 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 117 give Quanta Services a green thumbs-up, and three give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Quanta Services is outperform, with an average price target of $26.47.

Seth Jayson had no position in any company mentioned here at the time of publication. You can view his stock holdings here. He is co-advisor of Motley Fool Hidden Gems, which provides new small-cap ideas every month, backed by a real-money portfolio. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.