NuStar Energy (NYSE: NS) reported earnings on April 25. Here are the numbers you need to know.

The 10-second takeaway
For the quarter ended March 31 (Q1), NuStar Energy beat expectations on revenue and missed estimates on earnings per share.

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

Margins shrank across the board.

Revenue details
NuStar Energy logged revenue of $1.74 billion. The four analysts polled by S&P Capital IQ predicted a top line of $1.57 billion on the same basis. GAAP reported sales were 41% higher than the prior-year quarter's $1.23 billion.

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

EPS details
Non-GAAP EPS came in at $0.23. The 10 earnings estimates compiled by S&P Capital IQ predicted $0.32 per share on the same basis. GAAP EPS of $0.37 for Q1 were 23% higher than the prior-year quarter's $0.30 per share.

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 6.9%, 300 basis points worse than the prior-year quarter. Operating margin was 2.8%, 170 basis points worse than the prior-year quarter. Net margin was 1.5%, 80 basis points worse than the prior-year quarter.

Looking ahead
Next quarter's average estimate for revenue is $1.69 billion. On the bottom line, the average EPS estimate is $0.85.

Next year's average estimate for revenue is $6.52 billion. The average EPS estimate is $2.84.

Investor sentiment
The stock has a three-star rating (out of five) at Motley Fool CAPS, with 336 members out of 352 rating the stock outperform, and 16 members rating it underperform. Among 111 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 109 give NuStar Energy a green thumbs-up, and two give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on NuStar Energy is hold, with an average price target of $60.36.

Is NuStar Energy the right energy stock for you? Read about a handful of timely, profit-producing plays on expensive crude in our free report: "3 Stocks for $100 Oil." Click here for instant access to this free report.