Welcome to the Factor This Brief, a weekly collection of energy industry finance and development updates, delivered straight to your inbox on Monday mornings and hosted in a not-so-brief fashion here on Factor This, featuring the people, projects, and technology driving our electric future. Base Power, now available to homeowners in parts of Texas and Illinois, has raised more than $2.5B to date. Avantus celebrates the start of commercial operations at Aratina 1, a solar and storage project in Kern County, California. Courtesy: Avantus Last month, as you may have seen in a previous edition of the Factor This Brief, Avantus announced it had reached commercial operation at Aratina 1, a 200 MW / 500 MWh storage project in Kern County, California. The project features a total energy storage capacity of 35 MWh and integrates eight units of Sungrow’s PowerTitan Series ESS.