NRG Energy, Inc. NRG reported earnings of 36 cents in the second quarter of 2017, surpassing the Zacks Consensus Estimate of a loss of 5 cents.RevenuesNRG Energy's quarterly operating revenues of $2,701 million lagged the Zacks Consensus Estimate of $3,032 million by 10.9%. However, revenues were up 20.2% from $2,248 million reported in the second quarter of 2016.NRG Energy, Inc. Price, Consensus and EPS Surprise NRG Energy, Inc. Price, Consensus and EPS Surprise | NRG Energy, Inc. QuoteHighlights of the ReleaseTotal operating costs and expenses in the quarter increased 17.2% to $2,402 million from $2,050 million a year ago.The company’s adjusted EBITDA was $685 million in the second quarter of 2017, down 1.9% from $698 million a year ago.The company incurred interest expenses of $247 million in the quarter, up 5.3% from $237 million in the year-ago quarter.Highlights of the ReleaseAs of Jun 30, NRG Energy had cash and cash equivalents of $752 million compared with $938 million as of Dec 31, 2016.The company’s long-term debt and capital leases (excluding current portion) were $15,842 million compared with $15,957 million as of Dec 31, 2016.The company’s net cash provided in operating activities in the first half of 2017 was $74 million against $811 million in the prior-year period.Capital expenditure in second-quarter 2017 was $542 million, up 22.6% from $442 million in the year-ago period.GuidanceNRG reaffirmed its 2017 adjusted EBITDA guidance in the range of $2,565–$2,765 million and free cash flow before growth investments of 1,290–$1,490 million.Zacks RankNRG Energy has a Zacks Rank #2 (Buy). You can see the complete list of today’s Zacks #1 Rank (Strong Buy) stocks here.Peer ReleasesNextEra Energy, Inc. NEE reported second-quarter 2017 adjusted earnings of $1.86 per share, beating the Zacks Consensus Estimate of $1.76 by 5.7%. Reported earnings were also up 11.4% year over year.Eversource Energy ES reported second-quarter 2017 operating earnings of 72 cents per share, beating the Zacks Consensus Estimate of 68 cents by 5.8%. The quarterly earnings were up 12.5% from the year-ago quarter figure of 64 cents.First Energy Corp. FE reported second-quarter 2017 operating earnings of 61 cents per share, in line with the Zacks Consensus Estimate. Quarterly earnings were up 8.9% year over year.More Stock News: Tech Opportunity Worth $386 Billion in 2017From driverless cars to artificial intelligence, we've seen an unsurpassed growth of high-tech products in recent months. Yesterday's science-fiction is becoming today's reality. Despite all the innovation, there is a single component no tech company can survive without. Demand for this critical device will reach $387 billion this year alone, and it's likely to grow even faster in the future.Zacks has released a brand-new Special Report to help you take advantage of this exciting investment opportunity. Most importantly, it reveals 4 stocks with massive profit potential. See these stocks now>>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 NextEra Energy, Inc. (NEE): Free Stock Analysis Report FirstEnergy Corporation (FE): Free Stock Analysis Report NRG Energy, Inc. (NRG): Free Stock Analysis Report Eversource Energy (ES): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research