DTE Energy Company DTE reported second-quarter 2017 operating earnings per share (EPS) of $1.07, which surpassed the Zacks Consensus Estimate of 97 cents by 10.3%. Operating earnings also grew 9.2% from the year-ago figure of 98 cents. On a GAAP basis, reported earnings came in at 99 cents per share, compared with 84 cents in the prior-year quarter. The variance between GAAP and pro forma earnings was due to certain non-recurring items, mark-to-market adjustments and discontinued operations.Total RevenueTotal revenue came in at $2.86 billion, which surpassed the Zacks Consensus Estimate of $2.31 billion by 23.8%. Reported revenues also increased 26.2% from the year-ago figure of $2.26 billion on account of higher contribution from non-utility operations.Operating UpdateOperation and maintenance expenses in the reported quarter were $559 million, up 3.1% year over year.Total operating expenses increased 27.2% to $2.56 billion. This was primarily owing to higher fuel, purchased power and gas expenses at non-utility (74.1%), depreciation and amortization (2.5%) and taxes on other income (6.6%).Operating income increased 18.4% to $303 million.Segmental HighlightsUtility OperationsDTE Electric: The segment’s operating earnings were $148 million, up 9.6% year over year.DTE Gas: The segment reported operating income of $1 million, down 92.3% year over year.Non-Utility OperationsGas Storage and Pipelines: The segment generated profits of $40 million, up from $35 million a year ago.Power and Industrial Projects: The segment posted operating profits of $30 million, up from $17 million in the prior-year quarter.Corporate and Other: The segment reported operating income of $4 million.DTE Energy Company Price, Consensus and EPS Surprise DTE Energy Company Price, Consensus and EPS Surprise | DTE Energy Company QuoteGuidanceDTE Energy raised its 2017 guidance that was issued in November. The company expects to generate operating earnings in the range of $5.26–$5.57 per share in 2017, compared with the year-ago guidance of $5.15–$5.46.Zacks RankDTE Energy currently carries a Zacks Rank #3 (Hold). You can see the complete list of today’s Zacks #1 Rank (Strong Buy) stocks here.Upcoming Peer ReleasesAmerican Electric Power Co., Inc. AEP is a Zacks Rank #3 company. Its Zacks Consensus Estimate is pegged at 87 cents and is scheduled to release second-quarter 2017 earnings on Jul 27.CMS Energy Corporation CMS, another Zacks Rank #3 company, is scheduled to release second-quarter earnings on Jul 28. The Zacks Consensus Estimate is pegged at 42 cents.Edison International EIX is expected to release second-quarter earnings on Jul 27. Its Zacks Consensus Estimate is pegged at 83 cents. This company also carries a Zacks Rank #3.The Hottest Tech Mega-Trend of AllLast year, it generated $8 billion in global revenues. By 2020, it's predicted to blast through the roof to $47 billion. Famed investor Mark Cuban says it will produce "the world's first trillionaires," but that should still leave plenty of money for regular investors who make the right trades early.See Zacks' 3 Best Stocks to Play This Trend >>Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report American Electric Power Company, Inc. (AEP): Free Stock Analysis Report CMS Energy Corporation (CMS): Free Stock Analysis Report Edison International (EIX): Free Stock Analysis Report DTE Energy Company (DTE): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research