Austin energy startup Light closed a $46M Matrix-led Series A to scale its white-label platform, which powered every new Texas retail electricity brand in the first half of 2026.
- Matrix led the $46M round; Activate Capital joined existing backers Spark Capital, Mischief, Gigascale Capital, MCJ, and BoxGroup.
- Every new electricity brand entering the Texas retail market in H1 2026 launched on Light's platform, up from 70%+ in 2025.
- Light will expand from ERCOT into PJM Interconnection territory and accelerate pursuit of hyperscale data center clients.
Lead
Light, the Austin-based energy infrastructure company, announced September 1 a $46 million Series A led by Matrix, with new investor Activate Capital alongside existing backers Spark Capital, Mischief, Gigascale Capital, MCJ, and BoxGroup. The raise brings total equity funding to roughly $60 million and the company's overall capital base - including a credit facility - past $100 million. Light was founded in 2023 by CEO Baker Shogry, formerly Head of Product at Plaid, and co-founder Adam Compain.
What Does Light Actually Build?
Light sells the full operating stack a business needs to become a branded retail electricity provider, without building any of that infrastructure itself. The platform handles state-level regulatory compliance, real-time wholesale power procurement, consumer billing, and customer support - all exposed under the client's own brand. A solar installer, a property manager, or a community energy co-op can launch a named electricity plan without obtaining its own retail electric provider license or building a back-office.
The model borrows directly from embedded finance: the same logic that lets a retailer issue a branded credit card through a bank's rails now lets a contractor offer a branded electricity plan through Light's stack. Embedded electricity is the term Light uses for this category, and the company appears to have coined it deliberately.
How Did Light Come to Dominate New Texas Entrants?
Texas is structurally unusual. ERCOT, the state's grid operator, runs a fully deregulated retail market where roughly 100 active providers compete for about 9 million eligible customers. That makes Texas the most accessible entry point in the U.S. for new retail electricity brands - and the most saturated. New entrants face a compliance gauntlet before they ever acquire a customer.
Light's pitch is that the gauntlet disappears when the platform handles it. In 2025, the company says it launched more than 70% of new Texas electricity brands. By H1 2026, that share reached 100%. Run-rate revenue grew 10x in 12 months. The company now employs more than 35 people and expects to more than double headcount over the next year.
That concentration is a two-sided data point. It suggests genuine product-market fit among early-stage electricity entrants. It also reflects how small the addressable pool of new-brand launches in any single state actually is - capturing 100% of a narrow cohort is not the same as holding 100% of a mature market.
Why Does the PJM Move Matter?
The geographic expansion announced alongside this raise is the more consequential signal. PJM Interconnection operates the largest competitive wholesale electricity market in the world, spanning 13 states and Washington D.C. and serving roughly 65 million people. Moving from ERCOT - a single-state, islanded grid - into PJM means adapting to a materially more complex regulatory environment, multiple state-level compliance requirements, and a different set of incumbent providers.
Light is also naming hyperscale data center developers as an explicit target. Data centers are among the fastest-growing electricity consumers in the U.S., and operators have begun exploring direct relationships with retail electricity providers to secure predictable pricing and, in some cases, branded renewable-content products. That is a different buyer profile than a solar installer or a community solar program - larger contract size, longer sales cycle, and a counterparty with sophisticated energy procurement teams. Whether Light's white-label model translates from small-brand launches to enterprise energy procurement is the execution question the round implicitly bets on.
Valuation
Light did not disclose a post-money valuation. Given the $60 million in total equity raised across what the company describes as early-stage and Series A rounds, the implied valuation is undisclosed.
Outlook
Light exits this round with a defensible position in Texas and a clear thesis for what comes next: replicate the ERCOT playbook across PJM states and climb the customer-size curve toward data centers. The Texas track record is real. The PJM transition and the enterprise pivot are unproven. Matrix taking the lead at $46 million signals conviction that the platform generalizes - but the proof will come from the first non-Texas launch, not the press release announcing it.



