Vistra Corp. (VST) | The Buildout — AI Infrastructure
The Verdict
Vistra runs two businesses stapled together: a retail electricity and natural gas supplier, and a merchant power producer that owns and operates a large physical generating fleet. It does not sell AI. It sells electricity, capacity, and the right to build, and the buildout reaches its revenue through load growth and long-term contracts with large customers. Management credits the combination of retail load and owned generation for keeping weather swings from derailing the year: owning the generation that serves retail customers turns a hot summer into generation margin instead of a purchased-power cost.
| Market Cap | — |
| Revenue (TTM) | $16.0B |
| Revenue Growth | −28.4% |
| EBITDA Margin (TTM) | 19.4% |
| Net Debt | $19.5B |
| Earnings Beats | 3 of 7 |
| P/E (TTM) | — |
| EV/EBITDA (TTM) | — |
What We Like
- Twenty-year power purchase agreements with Meta for 2,609 MW of carbon-free power from the Perry, Davis-Besse and Beaver Valley nuclear plants, disclosed in the Q1 2026 10-Q.
- A 20-year PPA with AWS for 1,200 MW from the Comanche Peak nuclear plant, with options to extend for up to an additional 20 years.
- Q2 2026 Adjusted EBITDA of $1.767 billion, up more than 30% year over year, as Generation Adjusted EBITDA rose to about $994 million from about $593 million.
- More than $6.5 billion returned through share repurchases since late 2021, with roughly 171 million shares retired and about $1.2 billion of authorization remaining.
- Investment-grade ratings from two agencies, with the fallaway provisions in the senior secured debt agreements triggered and the liens on assets released; the stated long-term goal is mid-investment-grade at all three agencies.
What We’re Watching
- The 2027 midpoint opportunity range was held at $7.4 billion–$7.8 billion but the bias moved to the lower end, because higher PJM prices, hedging and the nuclear production tax credit do not fully offset lower ERCOT forwards.
- The Texas data-center audit is expected to 'probably pause some of the reviews for a couple of months,' with management saying there is no formal moratorium at this point.
- The PJM and transmission-owner co-location compliance filing slipped past its mid-August deadline; management expected it within 30 to 60 days of the Q2 2026 call.
- The Cogentrix acquisition is expected to close in the second half of 2026, and the 2026 and 2027 guidance update is committed to the Q3 2026 earnings call — or the call after close if it has not closed.
The thesis looks intact but less evenly distributed than the headline suggests. Guidance ranges have never been withdrawn or cut on the record, and 2026 was reaffirmed with confidence at or above the midpoint. But the 2027 midpoint opportunity range was held in headline only, with the bias moved to the low end, and the ERCOT load-growth floor was trimmed from 5% to 4%. Roughly $700 million of already-announced 2027 contribution from Cogentrix and the Meta PPAs sits outside guidance, which means the announced transactions matter more to reaching the midpoint than the base business does. The open question: does ERCOT's forward curve recover, and does Vistra sign long-term contracts on the remaining nuclear capacity at Beaver Valley and Comanche Peak.
Earnings
Vistra reported Q2 2026 Ongoing Operations Adjusted EBITDA of $1.767 billion, up more than 30% year over year. Generation drove it — about $994 million versus about $593 million a year earlier — while Retail contributed about $773 million against about $756 million. GAAP net income was $305 million, including a $472 million unrealized loss from hedges expected to settle in future years. Fleet commercial availability was over 97% across the fleet during the Texas and PJM heat waves, and July set all-time summer peaks of over 168 GW in PJM and over 91 GW in ERCOT.
| Metric | Q2 FY2026 | Q1 FY2026 | Q2 FY2025 | YoY |
|---|---|---|---|---|
| Revenue | $4.0B | $4.7B | $4.2B | −5.5% |
| Gross margin | 23.5% | 20.3% | 22.0% | +150bps |
| EBITDA | $1.1B | $1.2B | $1.3B | −15.0% |
| EPS | $0.90 | $3.03 | $0.96 | −6.8% |
| Generation Adjusted EBITDA | ~$994M | $1,426M | ~$593M | +68% |
| Retail Adjusted EBITDA | ~$773M | $68M | ~$756M | +2% |
they don't fully offset the ERCOT headwinds, so we would be trending towards the lower end of that range.— Kris Moldovan, 2026-08-07
Management tone: Management reaffirmed 2026 guidance with confidence at or above the midpoint and stated plainly, rather than burying behind the reaffirmation, that the 2027 range is trending toward its low end. On the Q2 2026 call they described current ERCOT forward curves as 'meaningfully lower' than the October 31, 2025 basis, corrected the framing of the Texas review to a pause rather than a moratorium, and explicitly declined to detail 2028 hedging strategies. They also acknowledged the team is 'still short-staffed' for the volume of customer conversations.
Management Guidance
Management reaffirmed 2026 guidance, saying it is confident in delivering at or above the midpoint. The 2027 Adjusted EBITDA midpoint opportunity range was maintained at $7.4 billion–$7.8 billion, but with the bias moved toward the lower end: higher PJM prices, the comprehensive hedging program and the downside protection of the nuclear production tax credit do not fully offset the ERCOT headwinds. The guidance excludes any contribution from the pending Cogentrix acquisition and the premium above market expected under the Meta PPAs, which management said would add roughly $700 million to the midpoint opportunity absent other impacts. It was prepared on market curves as of October 31, 2025, and it excludes any potential nuclear PTC benefit.
Trajectory
The reported revenue line swings for reasons that have little to do with demand. It was $4,250 million in Q2 2025, $4,654 million in Q1 2026 and $4,017 million in Q2 2026, and a large part of the movement is the unrealized mark on commodity hedges — a $636 million credit inside Q1 2026 and a $472 million unrealized hedge loss inside Q2 2026 net income. The more economically real driver has been generation: Generation Adjusted EBITDA of about $994 million in Q2 2026 against about $593 million a year earlier, while Retail was about $773 million against about $756 million. The near-term book is largely locked — roughly 98% of expected 2026 generation volumes and 89% of 2027 were hedged as of May 1, 2026 — which is why 2026 guidance could be reaffirmed. The 65% hedged position for 2028 is where the forward-curve argument actually lives.
The Model
The model projects FY+1 revenue of $18,300 million and EBITDA of $7,100 million, a 38.8% margin. FY+2 is projected at $20,500 million of revenue and $8,056 million of EBITDA, a 39.3% margin. What anchors the near term is a largely locked hedge book — roughly 98% of expected generation volumes in one year and 89% in the next were hedged as of May 1, 2026 — alongside the company's own reaffirmed 2026 guidance. What drives the later year is what management keeps outside guidance today: the Cogentrix acquisition and the Meta PPAs, which management said would add roughly $700 million to its midpoint opportunity, plus the approximately 4,500 MW organic development pipeline, the majority of which is expected to be online by 2028.
| Metric | FY2025 | Next FY (E) | Following FY (E) |
|---|---|---|---|
| Revenue | $16.7B | $18.3B | $20.5B |
| YoY Growth | — | +9.4% | +12.0% |
| EBITDA | $4.0B | $7.1B | $8.1B |
| EBITDA Margin | 23.9% | 38.8% | 39.3% |
Projections are the median of 5 independent model runs. The model’s revenue sits 17.9% below analyst consensus.
Management reaffirmed 2026 guidance, saying it is confident in delivering at or above the midpoint. The 2027 Adjusted EBITDA midpoint opportunity range was maintained at $7.4 billion–$7.8 billion, but with the bias moved toward the lower end: higher PJM prices, the comprehensive hedging program and the downside protection of the nuclear production tax credit do not fully offset the ERCOT headwinds. The guidance excludes any contribution from the pending Cogentrix acquisition and the premium above market expected under the Meta PPAs, which management said would add roughly $700 million to the midpoint opportunity absent other impacts. It was prepared on market curves as of October 31, 2025, and it excludes any potential nuclear PTC benefit.
What Could Go Right — and Wrong
- A long-term contract on the remaining nuclear capacity at Beaver Valley and Comanche Peak, which management says can be contracted on a long-term basis, would convert the largest undated catalyst into a booked, long-dated revenue stream.
- Cogentrix closing and folding its roughly 5,500 MW natural gas portfolio into guidance, which management said would add roughly $700 million to the 2027 midpoint opportunity absent other impacts.
- An ERCOT forward-curve recovery, which would move the 2027 midpoint opportunity back toward the midpoint without any new contract being signed.
- Helix Digital Infrastructure moving from platform to announced projects with Vistra as the power provider, which would turn a $1 billion milestone-gated commitment into a visible delivery channel.
- A FERC and PJM co-location outcome that establishes workable transmission service and rates, which would extend the co-location template beyond Comanche Peak across the fleet.
- ERCOT forward curves stay below the October 31, 2025 basis, and 2027 lands at the low end of the $7.4 billion–$7.8 billion midpoint opportunity range.
- The Texas data-center audit runs longer than the 'couple of months' management estimated, or new criteria clear out the large loads Vistra is counting on, deferring the 2028 contribution.
- The remaining nuclear contracting stays unsigned, leaving the 2028-and-beyond inflection gated by regulation and interconnection rather than demand.
- New build becomes economic again — through falling equipment costs or policy support — eroding the premium to market that Vistra's existing fleet currently commands.
Looking Ahead
The next twelve months turn on three dated events. Management has committed to a 2026 and 2027 guidance update on the Q3 2026 earnings call, with the Cogentrix acquisition expected to close in the second half of 2026; if the deal has not closed by then, management said it would wait and update 2027 on the next call after close. PJM and the transmission owners are expected to file on co-location within 30 to 60 days of the Q2 2026 call, after slipping past mid-August. And the Texas data-center audit management expects to resolve in 'a couple of months' will test both the approximately 4,500 MW development pipeline and the Comanche Peak energization target, which management still places at the end of 2027.
- 30 to 60 days from Aug 2026PJM co-location filing — Filing from PJM and transmission owners with specific rules.
- A couple of months from Aug 2026ERCOT audit outcome — Queue review tests pipeline timing and Comanche Peak schedule.
- Q3 2026Guidance update call — 2026 and 2027 refresh where Cogentrix and Meta could enter.
- 2H 2026Cogentrix close — Roughly 5,500 MW gas portfolio; ~$700M 2027 contribution.
- End 2027Comanche Peak energization — Co-location project management says is not affected so far.
- By 2028Organic pipeline online — Majority of ~4,500 MW development expected to be online.
Financials
Annual Summary
| Metric | FY2024 | FY2025 | TTM | YoY |
|---|---|---|---|---|
| Revenue | $19.4B | $16.7B | $16.0B | -13.7% |
| Gross Margin | 32.8% | 6.5% | 13.0% | 2,625bps |
| EBITDA | $8.9B | $4.0B | $3.1B | -54.9% |
| EBITDA Margin | 45.7% | 23.9% | 19.4% | 2,186bps |
| Net Income | $2.7B | $944M | $2.2B | -64.5% |
| Free Cash Flow | $2.4B | $640M | $1.4B | — |
| Net Cash | — | — | — | — |
Key Ratios (Trailing)
- P/E TTM—
- EV/EBITDA TTM—
- EV/Revenue TTM—
- Price/FCF TTM—
- Gross Margin (TTM)13.0%
- EBITDA Margin (TTM)19.4%
- Net Margin (TTM)13.9%
- ROIC1.2%
- FCF Conversion44.4%
- SBC / Revenue-0.7%
The Company
Vistra is an integrated retail electricity and power generation company. The 10-K describes it as providing 'essential power resources to customers, businesses, and communities from California to Maine,' with operations in 18 states and the District of Columbia and every major competitive wholesale power market in the U.S. Two businesses are stapled together: a retail supplier serving approximately 5 million customers, and a merchant generator owning a physically diverse fleet of gas, coal, nuclear, solar and battery assets spread across ERCOT, PJM, ISO-NE, MISO, NYISO and CAISO. For the AI buildout, the scarce asset is a large, operating, grid-connected, carbon-free, dispatchable generating unit in markets where load is arriving faster than new generation can be built.
The integration is not decorative. Management credits the combination of retail load and owned generation for keeping weather swings from derailing the year: owning the generation that serves retail customers converts the same hot summer into generation margin instead of a purchased-power cost. The company operates from a footprint management describes as 'hundreds of thousands of acres and 70 sites,' applies a mid-teens levered return threshold to growth projects and says it will walk away from deals that don't clear it, and has moved from merchant-only sales toward long-dated bilateral contracts. With the Helix Digital Infrastructure platform it is also now a founding equity investor in data-center development alongside KKR, NVIDIA and the Kuwait Investment Authority, where it serves as preferred power partner.
Business Segments
Competitive Landscape
The competitive dynamic in the source is a shared opportunity rather than a protected one. Vistra's premium-pricing argument rests on new build being uneconomic — year-to-date ERCOT wholesale prices have been $30 a MWh in each of the last two years, and the price of equipment in some cases has doubled, if not tripled — so customers contract with existing assets at a discount to what new build would require. But the supply-chain record lists a long set of competitors pursuing the same customers, and AEP's lock-up of 13 GW of turbines through 2031 with options on a further 10 GW is a signal on long-lead gas turbine slots. The evidence notes that uniqueness of the opportunity does not mean uniqueness of the provider.
- Listed in the supply-chain record as a nuclear and gas generator with AI hyperscaler PPAs; not discussed by Vistra.
- Talen EnergyListed in the supply-chain record as a gas and nuclear generator for data centers with nuclear-powered data-center campuses in PJM; not discussed by Vistra.
- Listed in the supply-chain record as a power generation and retail provider for data centers; also named alongside Vistra as a significant customer of AEP Texas.
- Listed in the supply-chain record as a global independent power producer doing power generation for data centers and data-center PPAs; not discussed by Vistra.
- Listed in the supply-chain record as a data-center power provider with an NVIDIA program; not discussed by Vistra.
Supply Chain
Vistra sits between fuel and equipment suppliers upstream and electricity customers downstream. Neighbors name it directly: KKR calls it an important strategic partner in Helix, Cipher Mining says its Odessa PPA with Vistra Luminant runs through July 2027, and AEP Texas lists it among significant customers.
More on VST: Earnings recap