Atlantic Power (NYSE: AT) is expected to report Q1 earnings on May 8. Here's what Wall Street wants to see:

The 10-second takeaway
 Comparing the upcoming quarter to the prior-year quarter, average analyst estimates predict Atlantic Power's revenues will wane -27.4% and EPS will remain in the red.

The average estimate for revenue is $121.7 million. On the bottom line, the average EPS estimate is -$0.12.

Revenue details
 Last quarter, Atlantic Power logged revenue of $114.0 million. GAAP reported sales were 9.1% higher than the prior-year quarter's -$42.6 million.

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

EPS details
 Last quarter, non-GAAP EPS came in at -$0.20. GAAP EPS were -$0.50 for Q4 compared to -$0.26 per share for the prior-year quarter.

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

Recent performance
 For the preceding quarter, gross margin was 114.3%, much better than the prior-year quarter. Operating margin was 58.1%, much worse than the prior-year quarter. Net margin was 124.8%, much better than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $502.2 million. The average EPS estimate is -$0.59.

Investor sentiment
 The stock has a three-star rating (out of five) at Motley Fool CAPS, with 97 members out of 105 rating the stock outperform, and eight members rating it underperform. Among 20 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 16 give Atlantic Power a green thumbs-up, and four give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Atlantic Power is hold, with an average price target of $12.50.

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