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Competition is heating up in the race to install home battery systems, with heavy hitters and nimble startups all vying for a piece of the market.

Tesla may have led the pack for years, but recently it has been feeling the heat from upstarts like Base Power, which has raised $2 billion in less than a year. The automaker-cum-energy company recently introduced a new Powerwall battery leasing plan that cuts the monthly price by more than two-thirds, an apparent response to all that competition.

Just how steep is that price cut? Home batteries typically cost more than $10,000 installed, making them attractive only to people with deep pockets who already have solar panels generating more power than they can use. But now, homeowners in Texas can lease either 27 kilowatt-hours of worth of Tesla Powerwalls for $35 per month or 39.2 kilowatt-hours of Base Power batteries for $19.

That kind of pricing is only possible because of two things: declining battery costs, and a technology known as the virtual power plant (VPP). A VPP aggregates and coordinates distributed energy resources like batteries and, in some cases, water heaters so that thousands of individual devices behave on the grid like a single large power plant, one that a utility can call on when it needs extra electricity. Companies like Tesla and Base Power, for example, can use their battery fleets as a VPP to help utilities and grid operators fill in gaps during periods of high demand. 

The market for this technology is still small — $7.4 billion today — but it’s expected to top $30 billion by 2033, according to Grandview Research.

Traditionally, to handle spikes in demand, utilities have had two options: build expensive, specialized power plants known as “peaker plants,” which only run during periods of high demand, or pay large energy users, like factories, to disconnect for a few hours. Now, they can pay a VPP instead.

VPP operators charge the batteries when electricity rates are low, then sell that stored power back to the grid at a profit when demand sends prices soaring. The operator pockets a chunk of those profits, passing some on to consumers in the form of low electricity prices, cheap backup batteries, or both.

“There are resiliency needs everywhere,” Tim Pianta, head of utility partnerships at Base Power, told TechCrunch. “Our goal is to have it be a win-win, like it’s a no brainer.”

As electricity demand rises on the back of AI data centers and the electrification of the economy, utilities and grid operators are embracing VPPs with newfound fervor.

VPPs also have a speed advantage. Unlike building a peaker power plant, which can take years, VPPs can be built in months since installing batteries in people’s homes eliminates many land, permitting, and interconnection headaches. Base Power has a deal with CoServ, a North Texas electricity cooperative, to build a 100 megawatt VPP, for example. A traditional 100-megawatt power plant would take two to four years to come online, Pianta said. “We’re on pace to install that in under 12 months.”

Because VPPs rely on assets like batteries that are spread out across the grid, near where people actually use electricity, utilities don’t have to spend as much building new power lines and other infrastructure to support them, either.

It wasn’t always obvious that VPPs could play a key role in the grid. For years, Tesla operated a VPP using its Powerwall fleet, but it didn’t market it that way to consumers. Instead, Tesla encouraged homeowners to use their batteries for arbitrage with their electricity supply, charging their batteries with cheap, excess solar power during the day and drawing them down at night. 

It worked well enough to get more than 6.7 gigawatts worth of Powerwalls installed, but newcomers like Base Power and its monthly battery plan are pushing Tesla to change tack. Base Power has been installing 8 megawatt-hours worth of batteries every day, a rate it hopes to double by the end of the year.

“We’ve always anticipated competition to come into the space,” Pianta said. “We wouldn’t have started a company if we didn’t think there was a really big opportunity here.”

Software gives VPPs another edge. Utility-scale batteries, which are VPPs’ closest competitor, are at a disadvantage because they have connect directly to the grid, which means dealing with congestion and long wait times to connect to it. “A distributed storage solution is able to clear both of those hurdles,” Pianta said.

While VPPs are gaining traction in a few markets like Texas and California, they’re likely to spread nationwide in the coming years as data centers look for ways to connect to the grid faster, said Nicole Tomasin, chief commercial officer at Energy Access Innovations. 

“As we see more hyperscalers, more data centers coming online, I think more [VPP] programs are going to be accelerated because we’re accelerating demand,” she told TechCrunch. “They’re not buying kilowatt-hours, they’re buying interconnect speed at that point. A distributed fleet can be assembled in months against a queue that takes years.”

Hackers have stolen the personal information and medical records of more than 3.75 million people in a data breach at health data giant CareCloud, the company has confirmed with federal regulators. The disclosure marks the first confirmation of the scale of the data breach, which is now confirmed to be the fifth-largest theft of health data in 2026 so far.

CareCloud detailed the March data breach in a filing with the Department of Health and Human Services (HHS) on Monday. The number of affected victims was reportedly revised up in an update on Tuesday, though it’s unclear if the figure is expected to rise further.

The New Jersey-based tech company provides electronic medical record storage to tens of thousands of healthcare providers around the United States, consequently serving millions of patients. CareCloud handles a large amount of patient data and billing information on behalf of hospitals, doctor’s offices, and other medical practices.

CareCloud has not publicly commented on the cyberattack since it disclosed the breach in March, when it said hackers had accessed patients’ medical data stored in one of its cloud storage environments over six days. The company later said in data breach notifications that the hackers exfiltrated data from the company’s Amazon Web Services account and stole reams of patient data.

The stolen data includes patients’ names, postal addresses, Social Security numbers, and their medical and health information. The hackers also took government-issued identification numbers, such as passports and driver’s licenses, as well as banking and financial information.

CareCloud chief executive Stephen Snyder has not responded to multiple emails to date requesting information about the incident, including whether the company has paid the hackers; who, if anyone, is responsible for cybersecurity at the company; or if Snyder plans to resign following the incident.

The breach at CareCloud follows several sizable healthcare breaches confirmed this year.

Tech giant TriZetto confirmed in March that a 2024 data breach affected 3.4 million people’s data, and an as-yet-unspecified number of people have had their data stolen during a July data breach at healthtech billing software maker Craneware.

According to HHS’ running tally of healthcare data breaches, dental insurance giant DentaQuest has had the largest data breach this year so far, with at least 15 million people’s personal and health information being affected.