Need Advice. TX residents?

Hey y'all. I've been in Houston over two years now. But I just started paying my own utility bills, I do not have gas or water bills. Water is included in my rent. I am running accross an issue that I truly never thought I would possibly have to run to reddit for, in regards to advice.

I have TXU for electricity. And moved to a new apartment at the start of the year, before this, I never paid my electricity bills, just split the rent with my last roommate and she would add in the electricity charges so I never actually knew what the bill was in total for electric. But now that I'm on my own, and I'm paying my electricity bills myself, I, SOMEHOW, as a single person in a 2bedroom 2bathroom apartment, am paying over $400 a month in electricity charges. To me, this is insane. Even for July/August. Upto 300 even I can SOMEWHAT understand during the hot season, but over $400, I can't even justify that to myself in any regard. Yes, the AC is on all day and sometimes at night, but I live alone. At around 78 degrees is what I set my thermostat. I have two computers, one for work only active during work hours. Mini PC. And a single Gaming PC, that is rarely used for gaming. I use only one of the bathrooms. So the other one doesn't even have it's lights turned on. The washer and dryer are used basically twice/thrice a month. I just cannot fathom that electricity is genuinely just this expensive here. Is there any rhyme or reason why my bill would be upwards of $400? We'll this month it is hitting over $450.00. No heavy electronics, live alone. I have no idea why my bill could EVER be this astronomically high. Last bill is showing over 1998 KWh and I have NO clue how that could be the case. Just a quick detail btw, during the cool months my bill was around 994kWh and even that seems to be absurd considering I never used the heating or the AC. I've contacted TXU for an audit and they keep blowing me off or say to hire a pro. Any suggestions? I'm open to anything at this point. It's killing my earnings as I was used to paying around 60/70 at my last apartment with my rent.

Also just FYI, I barely use the stove. MAYYYYBE four times a month to cook something. I usually just pickup all my food daily. Also all the lights in the apartment have been replaced with LEDs as I moved in, so the lights should not be an issue but tbh literally only one room has lights on for basically 10 hours a day and that's it regarding lights.

ANY HELP IS GENUINELY TRULY APPRECIATED.