CMS Energy Corp. CMS is the holding company of Consumers Energy Company (Consumers) and CMS Enterprises Company (Enterprises). This Jackson, MI based firm’s regulated electric power operations in Michigan generate a relatively stable and growing earnings stream.The company is currently focused on several issues - capacity maximization, reliability improvement, clean power generation and infrastructure upgrade. It also continues to focus on its Smart Energy program, which will likely boost profits for the company going forward.However, the possibility of lower gas and electric consumption and stringent environmental regulations are our major concern.Estimates Revision & Earnings Surprise TrendInvestors should note that the first quarter Zacks Consensus Estimate for earnings of 68 cents per share has decreased by 6 cents over the last 7 days.Currently, CMS Energy has a Zacks Rank #2 (Buy), but that could definitely change following CMS Energy’s earnings report which was just released.Coming to the surprise, the company has reported positive earnings surprises in three of the last four quarters with an average negative earnings surprise of 1.37%.We have mentioned below some of the vital information from this just-revealed announcement:Earnings: CMS Energy’s first-quarter 2016 earnings missed the Zacks Consensus Estimate of 68 cents. The company reported earnings of 59 cents.Revenue: The company’s revenues of $1,801 million for the first quarter missed the consensus estimate of $2,145 million.Key Stats to Note: CMS Energy reiterated its 2016 adjusted earnings per share in the range of $1.99 to $2.02.Check back later for our full write up on this CMS Energy earnings report later!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 >> 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 CMS ENERGY (CMS): Free Stock Analysis Report To read this article on Zacks.com click here.