Alliant Energy Corporation LNT reported second-quarter 2021 operating earnings of 57 cents, which beat the Zacks Consensus Estimate of 54 cents by 5.5%. Earnings also improved 5.5% from the year-ago figure.Total RevenuesSecond-quarter revenues came in at $817 million, improving 7.1% year over year. The year-over-year improvement was primarily due to strong contribution from its Electric and Gas operations.Alliant Energy Corporation Price, Consensus and EPS Surprise Alliant Energy Corporation price-consensus-eps-surprise-chart | Alliant Energy Corporation QuoteOperational HighlightsFor the second quarter, the company’s retail electric and gas utility customers grew 0.5% and 0.4% year over year, respectively. Electric volumes improved due to strong power sales volume to residential, commercial and industrial customers. The increase in gas utility customers did not result in a year-over-year rise in gas sales volume. Gas volumes for the reported quarter decreased 9.9% year over year due to fall in transportation sales volume.Total operating expenses were $641 million for the reported quarter, increasing 7.7% from $595 million in the year-ago period. The increase in expenses was due to higher cost of electric transmission services and rise in cost of gas sold.Operating income was $176 million, up 4.8% from $168 million in the year-ago quarter.Interest expenses were $69 million, down 1.4% from the prior-year quarter.Financial UpdateCash and cash equivalents were $15 million as of Jun 30, 2021, down from $54 million on Dec 31, 2020.Long-term debt (excluding current portion) was $6,468 million as of Jun 30, 2021, lower than $6,769 million on Dec 31, 2020.For first-half 2021, cash flow from operating activities was $207 million compared with $319 million in the year-ago period.GuidanceAlliant Energy reiterated its 2021 earnings guidance in the range of $2.50-$2.64 per share. The guidance assumes normal temperature in its service territories, and takes into account the ability of Interstate Power and Light Company as well as Winconsin Power and Light to earn authorized rates of return.Zacks RankCurrently, Alliant carries a Zacks Rank #3 (Hold).You can see the complete list of today’s Zacks #1 Rank (Strong Buy) stocks here.Other ReleasesALLETE, Inc. ALE reported second-quarter 2021 adjusted earnings of 53 cents per share, which missed the Zacks Consensus Estimate of 54 cents by 1.8%.WEC Energy Group WEC recorded second-quarter 2021 earnings per share of 87 cents, which beat the Zacks Consensus Estimate of 79 cents by 10.1%.DTE Energy Company DTE reported second-quarter 2021 operating earnings per share of $1.70, which beat the Zacks Consensus Estimate of $1.44 by 18.1%. Infrastructure Stock Boom to Sweep America A massive push to rebuild the crumbling U.S. infrastructure will soon be underway. It’s bipartisan, urgent, and inevitable. Trillions will be spent. Fortunes will be made. The only question is “Will you get into the right stocks early when their growth potential is greatest?” Zacks has released a Special Report to help you do just that, and today it’s free. Discover 7 special companies that look to gain the most from construction and repair to roads, bridges, and buildings, plus cargo hauling and energy transformation on an almost unimaginable scale.Download FREE: How to Profit from Trillions on Spending for Infrastructure >>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 DTE Energy Company (DTE): Free Stock Analysis Report WEC Energy Group, Inc. (WEC): Free Stock Analysis Report Alliant Energy Corporation (LNT): Free Stock Analysis Report Allete, Inc. (ALE): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research