Base Power operates a residential storage fleet above 500 MWh across Texas and Illinois and is expanding to additional states and grid regions.

Base Power operates in Texas and Illinois with a distributed fleet above 500 MWh across more than 30,000 homes; utility partnerships including Austin Energy, El Paso Electric, and CoServ cover more than 200 MW. The company states that Series D capital will fund national expansion of Base Core, additional manufacturing capacity, and hiring, and it is adapting its distributed storage program for the PJM interconnection region.

Base Power designs and manufactures its own batteries and prices backup access against grid-services revenue rather than hardware margins.

Base Power manufactures its own battery, Base Core, in-house at Base Factory 1 in Austin; at 39.2 kWh per unit it stores roughly three times the capacity of the Tesla Powerwall 3. Because Base earns revenue from grid-balancing services rather than member margins, installed whole-home backup carries a one-time fee of about $695 plus a $19 monthly membership. Install volume scaled from about one battery per day in June 2024 to roughly one hundred per day in June 2026.

Homeowners pay a one-time installation fee plus a flat monthly membership and a fixed energy rate where Base is the retail provider.

Base Power charges a refundable deposit, a one-time installation fee that varies by market (about $695 in Oncor territory), and a flat monthly membership (about $19). Where Base is the retail electricity provider, members pay a fixed all-in rate of roughly 13.9 cents per kWh that is guaranteed below the market average at renewal; grid-balancing revenue rather than member pricing is the primary margin source, excess solar is bought back, and plan Electricity Facts Labels are published.