Base Power has raised $1 billion in a new funding round, strengthening its position in the rapidly expanding energy-storage market and accelerating a business model built around turning residential batteries into distributed infrastructure for the electricity grid.

The Series D financing values the company at $13 billion after the investment, less than a year after Base Power completed another billion-dollar funding round. The scale and timing of the investment reflect growing confidence that distributed energy storage could become an important part of the response to rising electricity demand in the United States.

Unlike many energy-storage developers that build large battery facilities on dedicated land near major grid connections, Base Power is deploying batteries directly at customers’ homes. The company has installed more than 500 megawatt-hours of storage during the past several years and is currently deploying about 100 residential battery systems each day.

Base Power expects to double that installation rate by the end of the year, which would significantly increase the speed at which its network can add storage capacity. The company’s model is based on the idea that thousands of smaller batteries, when connected and coordinated digitally, can operate as a large distributed energy resource.

This approach could change how energy infrastructure is financed and deployed. Traditional power projects often require extensive land acquisition, long development timelines and major investments in transmission connections. Residential batteries can be installed closer to where electricity is consumed, potentially reducing infrastructure bottlenecks and creating new sources of flexibility for local power systems.

The latest funding arrives as electricity demand is increasing after years of relatively slow growth. Economy-wide electrification, the expansion of electric vehicles and the rapid construction of AI data centers are placing additional pressure on electricity networks.

The growth of artificial intelligence has become a particularly important factor in the energy market. Large data centers require substantial and continuous electricity supplies, increasing demand for generation capacity, transmission infrastructure and grid-balancing resources.

These pressures are becoming more visible in regions with concentrated data-center development. Parts of Illinois, where Base Power operates, are connected to the PJM electricity network, which has faced growing concerns about capacity, infrastructure constraints and the pace of rising demand.

Base Power’s strategy is designed to address these challenges by placing energy storage at the edge of the grid rather than concentrating it in large utility-scale facilities.

The company has also introduced a new home battery called Base Core. The system is manufactured at Base Power’s factory in Austin, Texas and can store 39.2 kilowatt-hours of electricity. Customers can install either one or two units, giving the company a product with considerably more storage capacity than many competing residential battery systems.

The larger capacity supports two parts of the company’s business model. Homeowners can use the batteries as backup power during outages, while Base Power can use the connected systems to provide electricity to the grid during periods of high demand.

At nearly 40 kilowatt-hours, a single battery can provide backup electricity for a home for a day or longer, depending on household consumption. This gives the product a direct consumer benefit while allowing the company to aggregate battery capacity into a broader commercial energy network.

The company’s pricing strategy also distinguishes it from many traditional residential battery providers.

Instead of requiring customers to pay the full cost of the equipment upfront, Base Power offers its systems through a subscription-based model. In the Houston area, the company charges $695 to install one battery, followed by a monthly fee of $19. Customers also pay an electricity rate of 13.1 cents per kilowatt-hour, which is broadly in line with local market pricing.

The structure reduces the initial financial barrier for homeowners and allows Base Power to retain ownership of the battery. That ownership is central to the company’s economic strategy because it gives the business control over a growing portfolio of energy-storage assets.

When demand rises, Base Power can supply stored electricity back to the grid. Electricity prices can increase substantially during peak periods, creating an opportunity for the company to generate revenue from the batteries while helping reduce pressure on the power system.

The model effectively combines a consumer energy service with an infrastructure investment platform. Customers receive backup power and access to battery technology without paying the full equipment cost, while Base Power develops a network capable of participating in electricity markets and supporting grid operations.

In regulated markets, the company works with utility providers to place batteries in homes and reduce strain on local networks. In deregulated markets, the company can use its battery fleet to participate more directly in electricity-market activity.

This flexibility could allow Base Power to expand across different regulatory environments while adapting its commercial model to local energy rules.

The company currently operates in Texas and Illinois, two markets with different electricity structures and grid requirements. Texas has a competitive electricity market and a history of extreme weather events that have increased consumer interest in backup power. Illinois offers access to a region connected to the PJM network, where rising electricity demand is increasing the value of new grid-support resources.

The new funding will likely support faster battery deployment, manufacturing expansion and the development of the software systems required to manage a large network of distributed energy assets.

Scaling the business will also require Base Power to maintain reliable installation operations, secure battery supply chains and coordinate thousands of devices across different locations.

The company’s ability to manage these operational challenges may become a major competitive advantage. Distributed energy systems depend not only on battery hardware but also on software capable of forecasting demand, monitoring system performance and determining when stored electricity should be used by households or supplied to the grid.

The $1 billion investment was led by Ribbit, Addition, Valor Equity Partners and JPMorganChase’s Strategic Investment Group. The round also included participation from major investment firms such as Altimeter, D1 Capital Partners, Sands Capital, Coatue, Energy Impact Partners, Thrive Capital, Andreessen Horowitz, Lightspeed and CapitalG.

The breadth of the investor group highlights the growing overlap between climate technology, infrastructure finance and venture capital. Energy-storage companies increasingly require large amounts of capital because their growth depends on manufacturing physical equipment and deploying assets in the real world.

Base Power’s valuation also reflects the market’s belief that energy storage may become a strategic layer of the future electricity system rather than a specialized backup product.

As renewable energy generation expands and electricity demand becomes more variable, batteries can help balance supply and demand by storing power when it is abundant and releasing it when the grid needs additional capacity.

The company’s model could also influence how utilities approach future infrastructure investment. Instead of relying only on new power plants, transmission projects and centralized battery facilities, utilities may increasingly combine large infrastructure with networks of smaller customer-owned or company-operated energy assets.

For Base Power, the opportunity is substantial, but so are the execution risks. The company must demonstrate that rapid growth can be maintained without increasing installation costs or reducing service quality.

It will also face competition from established battery manufacturers, solar-energy companies, utilities and emerging distributed-energy platforms.

The long-term success of the strategy will depend on whether the company can convert its growing network into consistent revenue while delivering measurable value to customers and electricity providers.

Base Power’s latest funding round demonstrates that investors are increasingly viewing residential energy storage as more than a consumer technology category.

By placing batteries in backyards and connecting them into a coordinated network, the company is attempting to build a new form of energy infrastructure—one that is distributed, digitally managed and closely integrated with the homes that consume electricity.

If the model scales successfully, residential batteries could become a more important part of how electricity grids manage demand, respond to outages and support the growth of energy-intensive industries such as artificial intelligence.