Looking for a stock that has been consistently beating earnings estimates and might be well positioned to keep the streak alive in its next quarterly report? NRG Energy (NRG) , which belongs to the Zacks Utility - Electric Power industry, could be a great candidate to consider.This power company has seen a nice streak of beating earnings estimates, especially when looking at the previous two reports. The average surprise for the last two quarters was 52.78%.For the last reported quarter, NRG came out with e ...