Client in Corpus Christi gets bills from AEP Texas with a "Fuel Factor" that seems to change every month. Is this normal? The rate varies from $0.028 to $0.041 per kWh. Their tariff book doesn't explain how it's calculated.
AEP Texas fuel factor - changes monthly?
AEP Texas adjusts their fuel factor monthly based on natural gas prices and power market costs. It's filed with the Texas PUC each month. Check their website under "Tariffs & Rates" for the current factor and historical data.
Lena - this is standard in Texas. Most utilities have fuel adjustment clauses that track commodity costs. Some update monthly, others quarterly. The volatility you're seeing reflects natural gas price swings.