List every Texas energy market and public data series TexasHomeBills™ collects (ERCOT prices, load and fuel mix; Henry Hub gas; EIA Texas retail sales and prices; BLS CPI and average prices; NOAA weather; utility delivery charges; Austin Energy and CPS Energy rates; PUCT complaints, news and rules; our daily plan statistics) with unit, cadence, date range, row count, original publisher and latest value. Call this first to pick a series. Free for non-commercial use with attribution; commercial use requires Pro.