Pinnacle West Capital Corporation PNW is scheduled to release first-quarter 2020 results on May 8, before the opening bell. The company delivered a positive earnings surprise of 21.28% in the last reported quarter.Let’s discuss the factors that are likely to get reflected in the upcoming quarterly results.Factors at PlayThe COVID-19 outbreak has impacted the commercial and industrial sales. However, increase in residential sales is likely to have boosted the company’s first-quarter results.Planned outage in Four Corners unit 5 in the first quarter is likely to have lower production in the reported quarter compared to last year.Q1 ExpectationsThe Zacks Consensus Estimate for first-quarter 2020 sales is pegged at $748 million, which indicates a rise of 1.01% from the year-ago quarter’s reported figure. The Zacks Consensus Estimate for first-quarter earnings per share is pegged at 16 cents, which suggests no change from the year-ago quarter's reported figure.Pinnacle West Capital Corporation Price and EPS Surprise Pinnacle West Capital Corporation price-eps-surprise | Pinnacle West Capital Corporation Quote What Our Quantitative Model PredictsOur proven model doesn’t conclusively predict an earnings beat for Pinnacle West this time around. The combination of a positive Earnings ESP and a Zacks Rank #1 (Strong Buy), 2 (Buy) or 3 (Hold) increases the chances of an earnings beat. That is not the case here. You can see the complete list of today’s Zacks #1 Rank stocks here.Earnings ESP: The company’s Earnings ESP is 0.00%. You can uncover the best stocks to buy or sell before they’re reported with our Earnings ESP Filter.Zacks Rank: Currently, Pinnacle West carries a Zacks Rank #3.Stocks to ConsiderInvestors can consider the following players from the same sector that have the right combination of elements to post an earnings beat in the to-be-reported quarter.Spire Inc. SR is set to release first-quarter 2020 numbers on May 8. It has an Earnings ESP of +0.17% and carries a Zacks Rank #3.Algonquin Power & Utilities Corp. AQN is scheduled to release first-quarter 2020 results on May 7. It has an Earnings ESP of +1.59% and a Zacks Rank #2.Consolidated Edison Inc ED is scheduled to release first-quarter results 2020 on May 7. It has an Earnings ESP of +0.35% and a Zacks Rank #3.Today's Best Stocks from ZacksWould you like to see the updated picks from our best market-beating strategies? From 2017 through 2019, while the S&P 500 gained and impressive +53.6%, five of our strategies returned +65.8%, +97.1%, +118.0%, +175.7% and even +186.7%.This outperformance has not just been a recent phenomenon. From 2000 – 2019, while the S&P averaged +6.0% per year, our top strategies averaged up to +54.7% per year.See their latest picks free >>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 Consolidated Edison Inc (ED): Free Stock Analysis Report Pinnacle West Capital Corporation (PNW): Free Stock Analysis Report Spire Inc. (SR): Free Stock Analysis Report Algonquin Power & Utilities Corp. (AQN): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research