American Electric Power (NYSE: AEP) filed its 10-K on Tuesday. Here are the numbers you need to know.

The 10-second takeaway
For the quarter ended Dec. 31 (Q4), American Electric Power met expectations on revenues and met expectations on earnings per share.

Compared to the prior-year quarter, revenue didn't change, and GAAP earnings per share grew significantly.

Gross margins dropped, operating margins dropped, and net margins increased.

Revenue details
American Electric Power notched revenue of $3.40 billion. The five analysts polled by S&P Capital IQ anticipated revenue of $3.45 billion on the same basis. GAAP reported sales were 0.3% higher than the prior-year quarter's $3.43 billion.

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

EPS details
Non-GAAP EPS came in at $0.40. The 15 earnings estimates compiled by S&P Capital IQ predicted $0.40 per share on the same basis. GAAP EPS of $1.02 for Q4 were 176% higher than the prior-year quarter's $0.37 per share.

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 28.6%, 320 basis points worse than the prior-year quarter. Operating margin was 11.4%, 280 basis points worse than the prior-year quarter. Net margin was 8.9%, 380 basis points better than the prior-year quarter.

Looking ahead
Next quarter's average estimate for revenue is $3.75 billion. On the bottom line, the average EPS estimate is $0.82.

Next year's average estimate for revenue is $15.16 billion. The average EPS estimate is $3.13.

Investor sentiment
Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on American Electric Power is hold, with an average price target of $41.03.

Can your portfolio provide you with enough income to last through retirement? You'll need more than American Electric Power. Learn how to maximize your investment income and "Secure Your Future With 11 Rock-Solid Dividend Stocks." Click here for instant access to this free report.