Duke Energy (NYSE: DUK) is expected to report Q2 earnings on Aug. 2. 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 Duke Energy's revenues will improve 22.4% and EPS will decrease -3.0%.

The average estimate for revenue is $4.32 billion. On the bottom line, the average EPS estimate is $0.96.

Revenue details
 Last quarter, Duke Energy logged revenue of $3.63 billion. GAAP reported sales were 0.9% lower than the prior-year quarter's $3.59 billion.

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 $1.14. GAAP EPS of $0.66 for Q1 were 42% lower than the prior-year quarter's $1.14 per share.

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 43.8%, 350 basis points better than the prior-year quarter. Operating margin was 25.2%, 290 basis points better than the prior-year quarter. Net margin was 8.3%, 600 basis points worse than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $20.50 billion. The average EPS estimate is $4.27.

Investor sentiment
 The stock has a four-star rating (out of five) at Motley Fool CAPS, with 1,844 members out of 1,935 rating the stock outperform, and 91 members rating it underperform. Among 485 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 472 give Duke Energy a green thumbs-up, and 13 give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Duke Energy is hold, with an average price target of $64.61.

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