Great Plains Energy (NYSE: GXP) reported earnings on May 9. Here are the numbers you need to know.

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

Compared to the prior-year quarter, revenue grew. GAAP earnings per share grew.

Margins grew across the board.

Revenue details
 Great Plains Energy logged revenue of $542.2 million. The two analysts polled by S&P Capital IQ expected a top line of $528.9 million on the same basis. GAAP reported sales were 13% higher than the prior-year quarter's $479.7 million.

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 $0.17. The 11 earnings estimates compiled by S&P Capital IQ averaged $0.11 per share. GAAP EPS were $0.17 for Q1 compared to -$0.07 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 37.7%, 320 basis points better than the prior-year quarter. Operating margin was 15.9%, 570 basis points better than the prior-year quarter. Net margin was 4.8%, 670 basis points better than the prior-year quarter. (Margins calculated in GAAP terms.)

Looking ahead
 Next quarter's average estimate for revenue is $586.1 million. On the bottom line, the average EPS estimate is $0.41.

Next year's average estimate for revenue is $2.42 billion. The average EPS estimate is $1.56.

Investor sentiment
 The stock has a four-star rating (out of five) at Motley Fool CAPS, with 162 members out of 179 rating the stock outperform, and 17 members rating it underperform. Among 58 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 55 give Great Plains Energy 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 Great Plains Energy is outperform, with an average price target of $23.35.

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