Base Power
Provides affordable, reliable home energy with battery backup and electricity plans starting in Texas.
Website: https://www.basepowercompany.com/
Cover Block
PUBLIC
| Field | Value |
|---|---|
| Name | Base Power |
| Tagline | Affordable, reliable home energy with battery backup and electricity plans, starting in Texas |
| Headquarters | Austin, Texas, United States |
| Founded | 2023 |
| Stage | Series B (with a subsequent $1B raise reported) |
| Business Model | B2C (residential electricity retail plus hardware) |
| Industry | Cleantech / Climatetech |
| Technology | Hardware (residential battery systems) plus retail electricity software |
| Geography | North America (Texas / ERCOT, expanding toward PJM) |
| Growth Profile | Venture Scale |
| Founding Team | Co-Founders (2): Zach Dell, Justin Lopas |
| Funding Label | $100M+ |
| Total Disclosed | ~$1.0B across Series B and a subsequent reported round [ESG Today] |
Links
PUBLIC
- Website: https://www.basepowercompany.com/
- LinkedIn: https://www.linkedin.com/company/basepowercompany
- Careers: https://www.basepowercompany.com/careers
- Engineering blog: https://inside.basepowercompany.com/
Executive Summary
PUBLIC
Base Power is an Austin-based residential power company that bundles a large home battery with a retail electricity plan, then dispatches the resulting fleet into ERCOT's ancillary services market to subsidize the cost of the hardware [Canary Media]. The company was founded in 2023 by Zach Dell (CEO) and Justin Lopas (COO). It has moved from a single installation cadence to roughly 50 daily deployments, according to the company's own engineering blog [Base Power]. Its differentiation is structural rather than purely technical: customers receive a 20kWh to 50kWh battery for a low upfront fee plus a monthly membership, in exchange for signing up to Base as their retail electricity provider [Base Power]. Lopas previously led manufacturing at Anduril and, before that, was a lead manufacturing engineer on SpaceX's Starship program, a background that maps directly to the hardware throughput problem Base is attempting to solve [TechCrunch, 2022][ContactOut]. The company has raised a $200M Series B led by Addition with participation from a16z, Lightspeed, Valor, Thrive, Altimeter, Trust Ventures, Terrain and CapitalG, and a subsequent round reported at roughly $1B [Canary Media][ESG Today]. As of fall 2025, more than 100 MWh of residential battery capacity has been deployed and a 20 MW dispatchable fleet is live [Yahoo Finance][Energy Storage]. Over the next 12 to 18 months, the items to watch are the company's progress adapting the model for PJM, where retail and grid-services economics differ materially from ERCOT [Latitude Media], and the execution of a reported $265M battery manufacturing facility near the Austin airport [Yahoo Finance].
Data Accuracy: GREEN -- Confirmed across Canary Media, ESG Today, Latitude Media, Contrary Research, and Base Power's own disclosures.
Taxonomy Snapshot
| Axis | Value |
|---|---|
| Stage | Series B (plus reported ~$1B follow-on) |
| Business Model | B2C retail electricity plus hardware-as-a-service |
| Industry / Vertical | Residential energy storage and retail power |
| Technology Type | Hardware (battery systems) plus dispatch software |
| Geography | Texas (ERCOT), expansion toward PJM reported |
| Growth Profile | Venture Scale |
| Founding Team | Two co-founders, hardware-heavy backgrounds |
| Funding | ~$1.0B total disclosed across rounds |
Company Overview
PUBLIC
Base Power was incorporated in 2023 in Austin, Texas, by Zach Dell and Justin Lopas, with the stated mission of building "America's Next-Generation Power Company" through an engineering-led, R&D-driven model [Base Power][Contrary Research]. The company describes itself as the first power company designed around a vertically integrated stack: it manufactures and installs the battery, sells the customer their retail electricity plan, and operates the resulting fleet as a grid asset [Base Power][LinkedIn]. Texas was a deliberate launch market. ERCOT is an energy-only market with no capacity payments, and most residential customers do not bear grid-usage charges directly, both of which make the unit economics of arbitrage and ancillary services more legible than in most other U.S. regions [Latitude Media].
The public milestone trail is short but dense. The company exited stealth in 2023, raised a $200M Series B led by Addition in 2024, and was subsequently reported by ESG Today and others to have closed a follow-on round at roughly $1B in aggregate [Canary Media][ESG Today]. Operationally, Base reported scaling from a single installation per day to roughly 50 per day on its engineering blog, and partnered with Texas distribution co-op CoServ to launch a 100 MW home-battery network for that utility's customers [Base Power][Canary Media]. By fall 2025, third-party coverage put deployed residential battery capacity at more than 100 MWh and dispatchable capacity at roughly 20 MW [Yahoo Finance][Energy Storage]. The company has also disclosed plans for a $265M battery manufacturing facility near Austin-Bergstrom, which is projected to add 500 jobs [Yahoo Finance].
Data Accuracy: GREEN -- Confirmed by Crunchbase, Canary Media, ESG Today, Yahoo Finance, and Base Power.
Product and Technology
MIXED
Base sells two things that are intentionally hard to separate: a home battery and a retail electricity contract. The hardware line, per the company's specifications page, runs from a 20 kWh wall-mounted unit to a 50 kWh ground-mount unit [PUBLIC][Base Power]. Pricing is structured as a low upfront installation fee plus a monthly membership; the published CoServ tariff, for example, lists backup battery installation "from $345" with a $19/month membership, and a separate Microgrid Knowledge writeup cites a $695 upfront and $19/month resilience-as-a-service tier for the same partnership [PUBLIC][Base Power][Microgrid Knowledge]. On the retail side, Base markets "guaranteed below-market" energy rates with no hidden fees and Austin-based customer service [PUBLIC][Base Power].
The technical architecture that ties the two products together is the dispatch layer. Per Canary Media and Latitude Media, Base oversizes residential batteries relative to a household's backup needs, then aggregates the fleet and bids it into ERCOT's ancillary services market, using the grid revenue to recoup hardware cost and subsidize the retail rate [PUBLIC][Canary Media][Latitude Media]. That is the mechanism behind the "close to free" framing in trade press and the Costco-membership analogy used in Fortune coverage [PUBLIC][Canary Media][Fortune]. Customer-facing software includes a mobile app for monitoring battery state and outage notifications; reviews are mixed, with positive feedback during real outage events alongside complaints that the app does not surface battery percentage and that billing has been inconsistent for some users [PUBLIC][Google Play Reviews][Reddit].
Beyond what is publicly disclosed, the manufacturing and vertical-integration thesis is consistent with the founders' hardware backgrounds and with the announced Austin manufacturing facility, but specific cell chemistry, BMS architecture, and dispatch-stack details are not in the public record [MIXED][Yahoo Finance].
Data Accuracy: GREEN -- Confirmed by Base Power, Canary Media, Latitude Media, and Microgrid Knowledge.
Market Research and Opportunity
PUBLIC
The U.S. retail power market is one of the largest consumer categories in the country, and it is being reshaped simultaneously by load growth, grid reliability concerns, and the economics of distributed storage. The Information has placed the U.S. power industry at roughly half a trillion dollars in annual value [The Information]. Within that, residential retail electricity in deregulated states (notably Texas) and behind-the-meter battery storage are the two segments most directly addressable by Base's model.
Demand drivers cited in the trade press are converging. ERCOT load has been growing on the back of data center buildout, electrification, and population growth, while the frequency of high-impact reliability events (Winter Storm Uri, summer peak emergencies) has made residential backup a salient consumer purchase rather than a niche one [Latitude Media][Canary Media]. Ancillary services pricing in ERCOT, particularly for fast-responding resources, has supported the unit economics that make Base's subsidy model viable; Latitude Media notes that the absence of capacity payments and the energy-only design of ERCOT specifically reward distributed batteries that can respond quickly to grid signals [Latitude Media].
Adjacent and substitute markets matter for framing. Rooftop solar plus storage (Sunrun, Tesla Energy) competes for the same household wallet, but the value proposition is different: solar-led offers monetize on-site generation, while Base monetizes grid services and a retail electricity contract. Standalone generators (Generac and similar) compete on resilience alone but do not participate in retail or wholesale markets. The regulatory backdrop is the most important variable. In ERCOT, the model works because Base can act as a retail electricity provider and a wholesale market participant simultaneously; in PJM and other RTOs, those roles, plus the treatment of grid-usage charges, look different, which is why Latitude Media specifically flagged Base's PJM adaptation as a distinct product effort [Latitude Media].
| Sizing claim | Value | Source |
|---|---|---|
| U.S. power industry | ~$500B annual | [The Information] |
| Base deployed residential battery capacity (fall 2025) | >100 MWh | [Yahoo Finance] |
| Base dispatchable fleet | ~20 MW | [Energy Storage] |
The addressable category is enormous in absolute dollars, but the economics that make Base's model work today are specific to ERCOT's market design. The company's deployed fleet is still a small fraction of even the Texas residential storage opportunity, which leaves substantial runway in the home market before regulatory portability becomes the binding constraint.
Data Accuracy: GREEN -- Confirmed by The Information, Latitude Media, Canary Media, and Yahoo Finance.
Competitive Landscape
MIXED
Base competes against three different categories at once: rooftop solar-plus-storage providers, standalone backup hardware vendors, and incumbent Texas retail electricity providers, and its model only fully overlaps with none of them.
| Company | Positioning | Stage / Funding | Notable Differentiator | Source |
|---|---|---|---|---|
| Base Power | Battery plus retail electricity, dispatched into ERCOT | Series B, ~$1B reported total | Vertical integration of hardware, retail, and grid-services dispatch | [Canary Media][ESG Today] |
| Tesla (Energy / Powerwall) | Battery hardware sold via installers, plus VPP programs | Public (NASDAQ: TSLA) | Brand, in-house cells, large installed base | [Canary Media] |
| Sunrun | Residential solar plus storage, lease and PPA | Public (NASDAQ: RUN) | National solar installation footprint and financing | [PUBLIC] |
Incumbent Texas retail electricity providers (TXU, Reliant, Gexa and others) own the customer relationship that Base is trying to displace, but they do not own the hardware layer. Their advantage is brand familiarity and decades of billing infrastructure; their exposure is that they cannot easily replicate Base's subsidy mechanic without writing the same hardware checks. On the storage hardware side, Tesla's Powerwall has the brand and the installed base, and Tesla operates VPP programs in several markets, but Tesla sells through installers rather than as a retail electricity provider, meaning the customer's monthly bill still goes to a utility or REP. Sunrun anchors the solar-led category and has the national installation footprint and financing relationships that Base will need to rebuild market by market.
Base's most defensible edge today is the bundling itself: by being both the REP and the asset owner, it captures the full economic stack from retail margin to wholesale ancillary services revenue. That edge is durable to the extent that no incumbent has all three muscles (retail license, hardware manufacturing, wholesale market participation) under one roof, and to the extent that the founding team's manufacturing pedigree (Anduril, SpaceX) actually translates into per-unit cost declines [TechCrunch, 2022][ContactOut]. The edge is perishable to the extent that ERCOT ancillary services pricing softens as more storage comes online, or that a national hardware vendor (Tesla being the obvious candidate) decides to vertically integrate into retail electricity in Texas.
Where Base is most exposed is geography. The company's economics are tuned to a single RTO, and Latitude Media's reporting on the PJM adaptation makes clear that the model has to be re-engineered for each new market [Latitude Media]. An 18-month scenario: the winner-if case is that Base lands a second utility partnership at CoServ-like scale, validates the PJM economics, and moves first manufacturing volumes through the Austin facility, at which point the bundle becomes hard to dislodge [Yahoo Finance][Canary Media]. The loser-if case is that ancillary services prices in ERCOT compress faster than installation costs decline, forcing the subsidy mechanic to shrink and exposing the retail rate to direct comparison with incumbent REPs.
Data Accuracy: GREEN -- Confirmed by Canary Media, Latitude Media, ESG Today, and Yahoo Finance.
Opportunity
PUBLIC
If Base executes, the prize is not a battery company but the first vertically integrated next-generation power utility in the United States, in a category that has not had a true new entrant at scale in a generation.
The headline opportunity
The single largest plausible outcome is that Base becomes the default residential power company in deregulated U.S. markets, owning the customer bill, the asset on the wall, and a meaningful slice of grid-services revenue in each RTO it enters. The cited evidence makes that reachable rather than aspirational on three counts: the company has already demonstrated a 50-per-day install cadence, more than 100 MWh of deployed capacity, and a 20 MW dispatchable fleet within roughly two years of founding [Base Power][Yahoo Finance][Energy Storage]; it has secured a structural utility partnership with CoServ rather than a one-off pilot [Canary Media]; and it has attracted roughly $1B of capital from a syndicate that includes Addition, a16z, Lightspeed, Altimeter and CapitalG, which is the order of magnitude required to fund both manufacturing and customer acquisition simultaneously [ESG Today][Canary Media].
Growth scenarios
| Scenario | What happens | Catalyst | Why it's plausible |
|---|---|---|---|
| Texas saturation | Base becomes the default REP-plus-battery bundle across ERCOT, displacing share from incumbent retailers | Second and third utility partnerships modeled on CoServ; Austin manufacturing facility comes online | CoServ deal already structured at 100 MW scale [Canary Media]; $265M plant announced [Yahoo Finance] |
| Multi-RTO expansion | Base adapts the model for PJM and additional deregulated markets, becoming a national distributed-power operator | Regulatory clearance and a PJM utility partnership analogous to CoServ | PJM adaptation already in development per Latitude Media [Latitude Media] |
| Manufacturing platform | Base's in-house battery production becomes a cost advantage that funds further retail subsidy | Austin facility ramp; founder manufacturing pedigree from Anduril and SpaceX translates to unit cost declines | $265M facility and 500 announced jobs [Yahoo Finance]; Lopas's Anduril and SpaceX manufacturing roles [TechCrunch, 2022][ContactOut] |
What compounding looks like
The flywheel is straightforward in principle. Each additional installed battery adds dispatchable MW to the ERCOT fleet, which raises ancillary services revenue per customer, which funds either deeper retail rate cuts or higher hardware subsidies, which in turn lowers customer acquisition cost for the next install. If the Austin manufacturing facility delivers per-unit cost declines on top of that, the loop tightens further: cheaper hardware means either fatter margins or a more aggressive subsidy, both of which feed acquisition. The early evidence that the loop is starting is the install-cadence ramp from 1 to 50 per day and the fleet reaching 20 MW dispatchable [Base Power][Energy Storage]. Utility partnerships add a second compounding layer because they collapse customer acquisition cost on a per-territory basis, as the CoServ structure illustrates [Canary Media].
The size of the win
A useful comparable is Sunrun, the public residential solar-plus-storage operator, which trades as a multi-billion-dollar public company on a residential-energy footprint substantially smaller than the U.S. retail electricity market that Base is addressing. The U.S. power industry was placed at roughly half a trillion dollars in annual value by The Information [The Information]. If Base captures even a low-single-digit share of deregulated residential electricity in two or three RTOs while owning the hardware layer, the resulting business would carry both retail recurring revenue and grid-services revenue, a combination no current public peer offers in clean form. The realistic ceiling, in other words, is a national distributed power utility rather than a battery vendor, and that is what the current capitalization appears to be funding.
Data Accuracy: GREEN -- Confirmed by Canary Media, Latitude Media, Yahoo Finance, ESG Today, and The Information.
Sources
PUBLIC
[Base Power] Affordable, Reliable Home Power | https://www.basepowercompany.com/
[Base Power] About | https://www.basepowercompany.com/about
[Base Power] Battery & Energy Plans and Pricing | https://www.basepowercompany.com/plans
[Base Power] Battery Specifications | https://www.basepowercompany.com/specs
[Base Power] Announcing Base Power's Series B Fundraise | https://www.basepowercompany.com/series-b
[Base Power] Build the future of American power, Careers | https://www.basepowercompany.com/careers
[Base Power] Scaling Daily Deployments from 1 to 50 | https://inside.basepowercompany.com/p/scaling-daily-deployments-from-1
[Base Power] How grid-balancing works | https://www.basepowercompany.com/blog/how-grid-balancing-works
[Base Power] CoServ Pricing | https://www.basepowercompany.com/pricing/coserv
[Base Power] Base vs other Texas electricity providers (2025) | https://www.basepowercompany.com/blog/compare-base-energy
[Contrary Research] Base Power Business Breakdown & Founding Story | https://research.contrary.com/company/base-power
[ESG Today] Home Energy Storage Startup Base Power Raises $1 Billion | https://www.esgtoday.com/home-energy-storage-startup-base-power-raises-1-billion/
[Canary Media] Base Power lands $200M for rapidly growing home-battery business | https://www.canarymedia.com/articles/batteries/base-power-investment-growth
[Canary Media] Base Power to launch 100-MW home battery network for Texas utility | https://www.canarymedia.com/articles/batteries/base-power-to-launch-100-mw-home-battery-network-for-texas-utility
[Latitude Media] Base Power is adapting its distributed battery storage program for PJM | https://www.latitudemedia.com/news/base-power-is-adapting-its-distributed-battery-storage-program-for-pjm/
[Crunchbase] Base Power Company Profile & Funding | https://www.crunchbase.com/organization/base-power
[Crunchbase News] The Week's Biggest Funding Rounds: Base Power | https://news.crunchbase.com/venture/biggest-funding-rounds-base-power-caris/
[LinkedIn] Base Power Company | https://www.linkedin.com/company/basepowercompany
[Bloomberg] Zach Dell, Base Power Inc: Profile and Biography | https://www.bloomberg.com/profile/person/25365923
[The Information] Zach Dell Thinks He Can Solve America's Energy Crisis | https://www.theinformation.com/articles/zach-dell-thinks-can-solve-americas-energy-crisis
[TechCrunch, 2022] Anduril manufacturing leadership coverage | https://techcrunch.com/
Articles about Base Power
- Base Power Wants a 50kWh Battery Bolted to Every Texas House — The Austin startup is selling cheap backup hardware as the wedge into a virtual power plant that bids into ERCOT.