Empresa Nacional de Electricidad (NYSE: EOC) reported earnings on April 29. Here are the numbers you need to know.

The 10-second takeaway
 For the quarter ended March 31 (Q1), Empresa Nacional de Electricidad missed estimates on revenues and met expectations on earnings per share.

Compared to the prior-year quarter, revenue dropped. Non-GAAP earnings per share contracted. GAAP earnings per share didn't change.

Margins expanded across the board.

Revenue details
 Empresa Nacional de Electricidad reported revenue of $1.04 billion. The three analysts polled by S&P Capital IQ anticipated revenue of $1.13 billion on the same basis. GAAP reported sales were 8.1% lower than the prior-year quarter's $1.11 billion.

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 $0.49. The two earnings estimates compiled by S&P Capital IQ predicted $0.49 per share. Non-GAAP EPS of $0.49 for Q1 were 2.0% lower than the prior-year quarter's $0.50 per share. GAAP EPS of $0.02 were the same as 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 49.0%, 630 basis points better than the prior-year quarter. Operating margin was 30.4%, 510 basis points better than the prior-year quarter. Net margin was 13.1%, 90 basis points better than the prior-year quarter. (Margins calculated in GAAP terms.)

Looking ahead
 Next quarter's average estimate for revenue is $1.25 billion. On the bottom line, the average EPS estimate is $0.92.

Next year's average estimate for revenue is $5.30 billion. The average EPS estimate is $3.28.

Investor sentiment
 The stock has a two-star rating (out of five) at Motley Fool CAPS, with 92 members out of 102 rating the stock outperform, and 10 members rating it underperform. Among 19 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 19 give Empresa Nacional de Electricidad a green thumbs-up, and give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Empresa Nacional de Electricidad is hold, with an average price target of $57.87.

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