B

Base Power

Residential battery storage with grid services

Overview

Base Power provides in-home energy storage via a subscription model by installing and owning a network of backyard batteries to give homes backup power and to provide grid services. Customers pay an install fee plus ongoing monthly and per-kWh charges, and Base Power sells stored electricity back to the grid during peak demand while ensuring home outage backup. It differentiates itself by using distributed, customer-backed-by-Base batteries installed in homes rather than large centralized storage sites, combined with a subscription model and direct participation in grid markets. Its goal is to give reliable home backup power and monetize distributed storage to help balance grid demand while expanding access to clean energy storage.

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About Base Power

Simplify's Rating
Why Base Power is rated
B+
Rated B on Competitive Edge
Rated A on Growth Potential
Rated B on Differentiation

Industries

Industrial & ManufacturingEnergyConsumer Goods

Company Size

501-1,000

Company Stage

Series D

Total Funding

$2.3B

Headquarters

Austin, TX

Founded

2023

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What believers are saying

  • Base raised $1 billion on August 3, 2026, valuing it at $13 billion.
  • Central Georgia EMC ordered 50 MW, proving Base can sell utility-scale distributed capacity.
  • Base says its fleet exceeded 750 MWh across 30,000-plus homes by October 2026.

What critics are saying

  • Tesla, Sunrun, and local installers can copy pricing if Base loses low-cost manufacturing edge.
  • Base depends on utility partnerships like Central Georgia EMC; failed negotiations block national expansion.
  • If Austin factory quality falters, warranty losses and installation delays can crush margins and trust.

What makes Base Power unique

  • Base sells owned backyard batteries plus electricity service, not standalone hardware, in Texas and Illinois.
  • Base Core's 39.2 kWh battery is built in Austin for whole-home backup and grid dispatch.
  • Walmart partnered with Base on October 30, 2026, validating retail distribution at scale.

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Funding

Total Funding

$2.3B

Above

Industry Average

Funded Over

4 Rounds

Series D funding is typically for companies that are already well-established but need more funding to continue their growth. This round is often used to stabilize the company or prepare for an IPO.
Series D Funding Comparison
Above Average

Industry standards

$77M
$70M
$80M
$100M
$1B

Benefits

  • Flexible Work Hours

Growth & Insights and Company News

6 month growth

0%

1 year growth

3%

2 year growth

17%
MarketScreener
Oct 30th, 2026
Walmart Inc. enters agreement with Base Power to offer home energy solutions to customers.

Walmart Inc. enters agreement with Base Power to offer home energy solutions to customers. Published on 10/30/2026 at 05:05 pm EDT S&P Capital IQ Walmart Inc. announced a strategic investment in Base Power, a Texas-based energy company, along with an agreement that will make Base?s home energy offerings available to Walmart customers and Sam?s Club members? expanding access to affordable energy solutions that can benefit both households and the grid. Beginning in November, customers and members who enroll in an eligible Base home battery offering at participating Walmart and Sam?s Club locations will receive 20% off Base Power?s standard upfront battery installation fee. Base Power installs, owns and maintains its home battery systems, with customers paying an upfront installation fee, which is a fraction of the cost of traditional whole-home backup solutions. In eligible areas of Texas, Base also offers electricity plans designed to help customers lower their bills. Texas is Base Power's largest and most established market, where Base serves more than 35,000 members. More than 20,000 of those households have a Base battery at home, and the remaining members have their electricity from Base. Walmart is launching these offerings in Texas first and expects to expand to additional locations and markets over time. Product availability, savings potential, installation requirements and pricing vary by location, utility service area and customer circumstances. Customers and members can meet with Base representatives at participating Walmart and Sam's Club locations to learn about available services, ask questions and enroll. (C) S&P Capital IQ - 2026

Kooc Media Ltd.
Oct 30th, 2026
Walmart Inc. (WMT) stock: rises as Texas energy expansion brings 20% battery installation discount.

Walmart Inc. (WMT) stock: rises as Texas energy expansion brings 20% battery installation discount. Walmart expands into residential energy services through a Texas partnership with Base Power, offering eligible customers discounted battery installations. Tldr. Table of Contents * Walmart shares gain 1.95% as Base Power partnership expands its Texas energy push. * Walmart customers in Texas will receive 20% off eligible Base Power battery installations. * Walmart and Sam's Club introduce home battery services through a new Base Power deal. * Base Power brings residential battery solutions to Walmart stores across Texas in November. * Walmart targets household energy costs with a strategic investment in Base Power. Walmart Inc. (NYSE: WMT) shares climbed 1.95% to $123.62, adding $2.37 during the trading session. The retailer also announced a strategic investment in Texas-based energy company Base Power. The agreement will bring home battery services to Walmart customers and Sam's Club members, alongside a 20% discount on eligible installation fees. Walmart expands into home energy services. Walmart's partnership with Base Power expands its business beyond traditional retail operations. The agreement introduces residential energy solutions through Walmart and Sam's Club locations. Additionally, the investment strengthens Walmart's involvement in services that address household energy expenses and electricity reliability. Base Power develops home battery systems that help households manage electricity costs. The systems store energy and provide backup power during grid outages. Consequently, customers can access an alternative power source when regular electricity services become unavailable. The partnership will initially focus on Texas, where Base Power has established its largest operating market. Beginning in November, eligible customers can enroll in Base Power battery offerings. Participating Walmart and Sam's Club locations will provide access to enrollment and information about available services. 20% discount targets battery installation costs. The agreement includes a 20% discount on Base Power's standard upfront battery installation fee. Customers and Sam's Club members must enroll in an eligible offering to receive the discount. However, the promotion applies only at participating retail locations and remains subject to eligibility requirements. Base Power follows an ownership model that differs from traditional whole-home backup systems. The company installs, owns and maintains the residential battery equipment. Customers pay an upfront installation fee, which Base describes as substantially lower than traditional whole-home backup solutions. Base Power offers electricity plans in eligible Texas service areas. These plans aim to help participating households reduce their electricity bills. However, available products, installation requirements, pricing and potential savings depend on location, utility service areas and individual customer circumstances. The arrangement gives Walmart another way to connect its retail network with household services. Customers can meet Base representatives inside participating stores and discuss available energy options. They can also ask questions and complete enrollment through those representatives. Texas provides the starting market for expansion. Texas represents Base Power's largest and most established market for residential energy services. The company currently serves more than 35,000 members across the state. More than 20,000 households have installed Base battery systems in their homes. The remaining members receive electricity services through Base Power. These figures establish Texas as the initial market for Walmart's new energy offering. Furthermore, the existing customer base provides an established platform for introducing the partnership. Walmart plans to introduce the services in Texas before expanding into additional locations and markets. However, the company has not identified specific markets or dates for future expansion. The initial rollout will therefore concentrate on participating Texas Walmart and Sam's Club locations. The partnership adds another service category to Walmart's existing retail offering. It also creates a distribution channel for Base Power's residential battery products. Through the arrangement, both companies will target households seeking lower energy costs and backup electricity options. Limited Time Offer Get 3 free stock ebooks. Discover top-performing stocks in AI, Crypto, and Technology with expert analysis. * Top 10 AI Stocks - Leading AI companies * Top 10 Crypto Stocks - Blockchain leaders * Top 10 Tech Stocks - Tech giants

The Evening Leader
Oct 30th, 2026
Walmart invests in Base Power to sell home batteries, with 20% off installation in Texas

Walmart has made a strategic investment in Base Power, a Texas-based home energy company, and agreed to offer Base's products to Walmart customers and Sam's Club members. The investment amount was not disclosed. From November, customers who enrol in an eligible Base home battery offering at participating stores will get 20% off the standard upfront installation fee. Base installs, owns, and maintains the batteries, which cut energy costs when the grid is on and provide backup power when it is not. Texas is the first market. Base serves more than 35,000 members there, and more than 20,000 of them have a home battery. Walmart expects to expand to other markets over time.

PR Newswire
Oct 27th, 2026
Hillwood Communities and Base Power bring home battery backup to 6,500 North Texas homes

Hillwood Communities is partnering with Base Power to offer home battery backup to nearly 6,500 homes across three North Texas communities. The deal gives homeowners a way to prepare for power outages while supporting the local grid. Eligible new and existing homeowners in Treeline by Hillwood in Justin, Pecan Square by Hillwood in Northlake, and Harvest by Hillwood in Argyle and Northlake can access Base battery systems. At full buildout, about 9,500 homes will have access. Base works through CoServ, the utility serving all three communities. The batteries link into a coordinated resource that adds capacity during high demand. Homeowners receive preferred pricing. The partnership plans to extend to Landmark by Hillwood in Denton and Lantern by Hillwood in Pilot Point.

Dallas Next
Oct 22nd, 2026
Venture Dallas 2026 highlights innovation momentum in Texas.

Venture Dallas 2026 highlights innovation momentum in Texas. Joe Lonsdale, Sen. John Cornyn and Base Power's Justin Lopas were among the speakers making the case for growing in Texas at the sixth annual conference, held at Old Parkland in Dallas. Justin Lopas, left, co-founder of Austin-based Base Power, spoke with Salen Churi, founder and managing partner of Trust Ventures, during a morning session at the 2026 Venture Dallas conference. [Photo: Dallas Innovates] North Texas' growing venture capital community was on full display Thursday at Old Parkland, as an estimated 450 company founders, investors and other community leaders gathered for the sixth annual Venture Dallas conference. "Texas is the greatest [state] in this country, and America is going to win because of people like you who are building," said Joe Lonsdale, co-founder of Miami-based software company Palantir Technologies and founder and managing partner of Austin-based 8VC. Lonsdale was among more than 40 people who took the stage for the event, and his build-first optimism was a common theme. Other speakers included Dallas entrepreneur and investor Mark Cuban; Stephen Gillett, CEO of Dallas-based Verily Health; Lane Kasselman, co-CEO of Dallas-based Blockchain.com; and Will Edwards, co-founder and CEO of Addison-based Firehawk Aerospace. Texas as a launchpad Lonsdale moved from Silicon Valley to Austin in 2020. As evidence of what Texas can offer founders that other states can't, he pointed to 8VC portfolio company Saronic. The Austin-based naval defense company broke ground in September on its next-generation shipyard, Port Alpha, in Brownsville. Lonsdale said Saronic couldn't have started in California. Austin-based energy storage company Base Power made a similar case. Base Power installs batteries at single-family homes to expand the power grid's capacity. More than half its installations are in Dallas-Fort Worth. Co-founder Justin Lopas discussed how the company was able to work with state lawmakers to standardize installation requirements, rather than navigate a patchwork of municipal rules. It was game-changing for Base Power's growth, he said. "I'm an engineer by training, and so it was always weird to me that physics doesn't change across the street, but somehow regulation does," he said. Betting on a bright future U.S. Sen. John Cornyn, R-Texas, said the state's pro-innovation approach stands out. "If you want to create something, if you want to build something, how can we make it harder?" he said of the nation's capital. "The attitude in Texas is exactly the opposite. It's 'How can we make it easier?'" Looking ahead, Cornyn said he can't imagine what the next 25 years will bring. "Every day I wake up, it seems like some other sort of science fiction thing has happened," he said. "America has awakened to the opportunities for AI - or super intelligence, as President Trump likes to call it - which is exciting. But obviously there are some collateral consequences in terms of jobs and how [we are] going to adjust to this incredible innovation technology." Yet he remains optimistic. "As long as we have people like those in this room who are willing to take a few well-calculated risks and create something new and something useful and important," Cornyn said, "I think the future is bright indeed."

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