Xcel Energy has been rolling out new electrical smart meters. I believe they are Itron Gen5 Riva, and there is a developers SDK for third party access. Home Assistant users have successfully integrated the meter: Reddit - Dive into anything
It may depend on your power company too. I tried multiple times and approaches to access my itron meter (not the gen5). It seems my particular power company has it locked down. I can't even read any usable data from my SDR stick.