Alliant Energy (NYSE: LNT) is expected to report Q2 earnings on Aug. 3. 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 Alliant Energy's revenue will compress 14.6% and EPS will grow 4.5%.

The average estimate for revenue is $699.7 million. On the bottom line, the average EPS estimate is $0.46.

Revenue details
Last quarter, Alliant Energy logged revenue of $765.7 million. GAAP reported sales were 13% lower than the prior-year quarter's $877.2 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 $0.50. GAAP EPS of $0.32 for Q1 were 52% lower than the prior-year quarter's $0.66 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 26.6%, 20 basis points worse than the prior-year quarter. Operating margin was 12.5%, 260 basis points worse than the prior-year quarter. Net margin was 4.6%, 380 basis points worse than the prior-year quarter.

Looking ahead
The full year's average estimate for revenue is $3.24 billion. The average EPS estimate is $2.83.

Investor sentiment
The stock has a four-star rating (out of five) at Motley Fool CAPS, with 79 members out of 92 rating the stock outperform, and 13 members rating it underperform. Among 29 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 25 give Alliant Energy 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 Alliant Energy is outperform, with an average price target of $46.13.

Can your portfolio provide you with enough income to last through retirement? You'll need more than Alliant Energy. Learn how to maximize your investment income and "Secure Your Future With 9 Rock-Solid Dividend Stocks." Click here for instant access to this free report.