Get XCEL Energy’ two mot recent 10-K from the SEC*: the 2021 10-K filed on 2/23/22 and the 2020 10-K filed on 2/17/21. Get the 2021 and 2020 balance heet information from the 2021 10-K. Get the 2019 balance heet information from the 2020 10-K. Get the 2021, 2020, and 2019 income and cah flow tatement information from the 2021 10-K. Lit the information for 2019-2021