Vistra is an integrated merchant power producer and retail electricity supplier with roughly 38,700 MW of generation across natural gas, nuclear, coal, solar and battery storage, plus a roughly 4.3 million customer retail book (TXU and affiliated brands) across 20 states.
VST
· Utilities · Independent Power Producers
· Market cap $47.4B
QuantHub Original Research · Updated 2026-08-06
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Medium QualityB+/A- tier business quality (structural AI and nuclear-driven demand, disciplined FCF-funded buybacks, scale in both generation and retail) offset by real leverage and merchant-cyclicality risk, against a roughly fair valuation near its 10-year median EV/EBITDA multiple. Rerates toward A- if the PJM price-cap overhang resolves favorably and the stock holds within the $128-145 accumulation zone; slips toward C if capacity price caps are enacted as proposed.CheapIn Buy Zone
VST is 20% below fair value and in its buy zone. Consider adding to your position.
QuantHub Research: Investment Thesis
Scaling Phase
Vistra is an integrated merchant power producer and retail electricity supplier with roughly 38,700 MW of generation across natural gas, nuclear, coal, solar and battery storage, plus a roughly 4.3 million customer retail book (TXU and affiliated brands) across 20 states. The 2024 Energy Harbor deal made it the second-largest nuclear operator in the US, and that nuclear and gas fleet is now central to the AI/data-center power demand story, evidenced by a January 2026 multi-year nuclear supply agreement with Meta for more than 2,600 MW. The company funds a large buyback program from free cash flow rather than debt, and Q1 2026 delivered a wide earnings beat with adjusted EBITDA up 20% year over year. The stock is down roughly 36% from its September 2025 high and sits near 52-week lows heading into its August 7 earnings print, pressured by a January 2026 White House-brokered proposal to cap PJM capacity auction prices and by elevated leverage. The gap between a Street consensus price target near $222 and today's price reflects a real, still-unresolved regulatory overhang on merchant capacity pricing, not a change in the underlying AI-power demand thesis.
Optically cheap versus Wall Street, only fair versus its own history. At $140.58 the stock trades about 58% below the roughly $222.64 average analyst target (Strong Buy consensus, about 83% buy ratings across 20 analysts), and about 21% below a bottom-up EV/EBITDA fair value near $170. But on an EV/EBITDA basis of roughly 9.3x FY2026 guidance-midpoint Adjusted EBITDA, the stock sits close to its own 10-year median multiple (about 8.7x) and well below its September 2025 peak of about 14.2x, so it is not statistically cheap relative to its own trading range. The disconnect between the current price and Street targets is best explained by two specific, dated overhangs: the January 16, 2026 White House-brokered proposal to cap PJM capacity auction prices (which knocked 7.4% off the stock the day it was announced and has since driven a string of analyst price-target trims even as ratings stayed Buy), and pre-earnings positioning ahead of the August 7, 2026 Q2 print. Reported GAAP margins are also unusually noisy because of mark-to-market hedge accounting - Q4 2025 posted a negative 55.6% gross margin - which makes trailing P/E an unreliable read and argues for weighting EV/EBITDA and management's own Adjusted EBITDA guidance more heavily.
12–18 Month Outlook
In 18 months Vistra should look like a larger, more nuclear- and data-center-weighted power company than it does today, with the Cogentrix acquisition closed, the Meta nuclear PPA ramping, and the nuclear uprate program adding incremental carbon-free megawatts - all against a backdrop of roughly 4% annual load growth guidance through 2030. The swing factor is not whether AI-driven electricity demand shows up; it is whether the January 2026 PJM price-cap proposal becomes binding policy or fades as "signaling, not imminent reform," as some analysts have characterized it. If the capacity-price overhang resolves without a hard cap, Vistra's multiple has room to re-rate back toward the 11-13x EV/EBITDA area it commanded through most of 2024-2025, well above today's roughly 9.3x. If caps are enacted, the multiple likely stays compressed near today's level or lower, and returns come mostly from EBITDA growth (uprates, Cogentrix, PPAs) rather than multiple expansion. Base case: the August 7 earnings print and subsequent PJM auction and policy developments over the next few quarters are the key checkpoints, with the stock's current position near 52-week lows offering a reasonable entry either way given the accumulation zone already includes today's price.
Bull vs Bear
Bull Case
Structural AI and data-center electricity demand is driving long-term contracted deals - most notably a January 2026 multi-year nuclear power supply agreement with Meta for more than 2,600 MW - on top of a diversified roughly 38,700 MW fleet spanning gas, nuclear, coal, solar and storage; management guides to about 4% annual load growth through 2030.
Second-largest nuclear power operator in the US following the 2024 Energy Harbor acquisition, running what the company describes as the largest corporate-sponsored nuclear uprate program in the country - adding carbon-free capacity data centers specifically want without new-build lead times.
Disciplined, free-cash-flow-funded capital return: about $6.3 billion repurchased since November 2021 with roughly $1.5 billion remaining under authorization through 2027, funded by free cash flow rather than incremental debt.
Q1 2026 delivered a wide beat - adjusted EPS of $2.87 versus $1.32 consensus, with adjusted EBITDA up about 20% year over year to $1.494 billion - and FY2026 Adjusted EBITDA guidance of $6.8-7.6 billion was reaffirmed even before including the pending $4.7 billion Cogentrix acquisition or the Meta PPA contribution.
Shares trade near 52-week lows, about 36% below the September 2025 high, with an average analyst price target near $222-223 and a Strong Buy consensus (about 83% buy ratings), implying substantial upside if the current pre-earnings and regulatory-driven de-rating proves overdone.
Bear Case
The January 2026 White House-brokered proposal to cap PJM capacity auction prices is a live, unresolved regulatory threat to the capacity-revenue upside central to the AI-power thesis; the announcement alone cut 7.4% off the stock in a single day.
Leverage is elevated - total debt around $20.6 billion against roughly $5.6 billion of equity (debt-to-equity near 3.5-3.7x) with interest coverage under 2x in several recent quarters - leaving less room for error if commodity prices or refinancing costs move against the company.
GAAP results are extremely noisy because of mark-to-market hedge accounting; Q4 2025 posted a negative 55.6% gross margin on derivative losses, making quarter-to-quarter earnings difficult to underwrite and headline EPS an unreliable valuation input.
Reported free cash flow is thin because of heavy growth capital spending on nuclear uprates and new gas capacity; trailing free-cash-flow yield is only about 2%, well below the yield implied by management's own adjusted free-cash-flow-before-growth guidance.
The stock enters its August 7 earnings print already down nearly 8% in a single session on more than double average volume, and merchant power names remain highly sensitive to headline commodity, weather and policy news, keeping near-term volatility elevated regardless of underlying fundamentals.
Leadership & Competitive Position
Jim Burke
Tenure4 yrs
Insider ownership0.36%
Beats guidance78% of qtrs
Capital allocationGood
With Vistra and predecessor TXU companies since 2004; served as chairman and CEO of TXU Energy, then Vistra COO (2016-2020) and President and CFO (2020-2022), before becoming CEO in 2022. MBA from Tulane and a Nuclear Reactor Technology program at MIT, relevant given the company's nuclear pivot. Compensation is heavily weighted to stock-based incentives (over 90% bonus and equity), aligning pay with the buyback-and-growth capital allocation strategy.
Competitive Moat
widening
intangible assetscost advantageswitching costs
Second-largest competitive retail electricity provider in the US with about 4.3 million customers (TXU and affiliated brands) and, after the 2024 Energy Harbor acquisition, the second-largest nuclear power operator with four nuclear plants. Total generation capacity of roughly 38,700 MW spans ERCOT, PJM and other markets across gas, nuclear, coal, solar and battery storage.
Competitors: NRG Energy (NRG), Constellation Energy (CEG), Talen Energy (TLN), Public Service Enterprise Group (PEG)
Disruption: Low to Medium - nuclear and gas generation assets have long lead times and high barriers to entry, limiting competitive disruption, but the business is exposed to merchant power pricing and to policy-driven disruption such as the proposed PJM capacity price caps, which is a regulatory risk rather than a competitive one.
QuantHub Research
Valuation
Multiple
Current
Median 3yr
Median 5yr
Min 5yr
Max 5yr
P/E
21.3x
34.5x
31.9x
7.1x
72.7x
P/S
2.9x
2.2x
1.7x
0.6x
4.3x
P/FCF
42.5x
35.0x
30.0x
10.0x
180.0x
EV/EBITDA is the most reliable lens for this name given GAAP earnings noise from hedge accounting. At roughly 9.3x FY2026 guidance-midpoint Adjusted EBITDA, Vistra trades close to its own 10-year median multiple of about 8.7x, well below its September 2025 peak of about 14.2x but above its 2023 trough of about 5.9x - a fair, not statistically cheap, reading. Trailing P/E (about 21x) sits well below its noisy 3-5 year averages (32-34x), which were skewed by a few near-zero-earnings quarters, while P/S (about 2.9x) sits above its 5-year median (1.7x) but below last year's average (3.3x). Taken together, the roughly 36% pullback from the September 2025 high has reset the multiple from priced-for-perfection back toward a defensible, middle-of-the-range level.
Price Outlook (5-Year)
Bear
$136
-0.8%/yr
Base
$170
3.7%/yr
fair value
Bull
$204
7.6%/yr
Bear/Base/Bull anchored to QuantHub fair value estimate. Base = headline fair value; Bear −20%; Bull +20%.
First read on Q2 results and any full-year guidance update. The stock is already down sharply pre-print on cautious analyst target trims and the PJM regulatory overhang, and Q1 2026's wide beat ($2.87 adjusted EPS versus $1.32 consensus) sets a high bar.
high
2026-12-31
PJM capacity price cap / auction resolution
Outcome of the January 2026 White House-brokered proposal to cap PJM capacity auction prices, plus upcoming PJM capacity auctions, will determine whether merchant capacity revenue upside from data-center demand is constrained - the key swing factor for the stock's multiple.
high
2026-12-31
Cogentrix acquisition close
Roughly $4.7 billion gas-generation acquisition expected to close in the second half of 2026, adding capacity and EBITDA not yet reflected in current FY2026 guidance.
medium
2026-12-31
Additional hyperscaler power agreements
Following the Meta nuclear PPA (2,600+ MW, January 2026), further long-term data-center power agreements would extend earnings visibility and could offset investor concern about the PJM price-cap overhang.
medium
Risks
PJM price cap regulatory risk
high
The January 16, 2026 White House-brokered 13-state agreement to cap PJM capacity auction prices sent VST down 7.4% the same day; if enacted, it could compress the capacity-revenue upside central to the AI-power demand thesis.
High financial leverage
high
Debt-to-equity around 3.5-3.7x (total debt near $20.6 billion versus roughly $5.6 billion of equity) with interest coverage under 2x in several recent quarters, leaving limited cushion if commodity prices or refinancing costs move against the company.
Merchant power price and hedge-accounting volatility
medium
GAAP quarterly results are highly volatile due to mark-to-market derivative accounting - Q4 2025 posted a negative 55.6% gross margin on hedge losses - making quarter-to-quarter earnings difficult to interpret and increasing headline risk around each print.
Pending Q2 2026 earnings and elevated expectations
medium
Shares fell nearly 8% on August 4 alone amid pre-earnings anxiety on more than double average volume; the stock enters the August 7 print near 52-week lows, raising binary event risk.
M&A integration and growth-capex execution
medium
The nuclear uprate program and the pending $4.7 billion Cogentrix acquisition require sustained execution and funding; heavy growth capital spending has already compressed reported free cash flow to a low-single-digit yield.
Growth Engines
Data-Center / AI Power Demand (Contracted PPAs)scaling
January 2026 multi-year nuclear PPA with Meta for more than 2,600 MW extends Vistra's hyperscaler relationships. Management guides to roughly 4% annual load growth through 2030 as AI and data-center demand accelerates across its service territories.
Nuclear Uprate Programscaling
Largest corporate-sponsored nuclear uprate program in the US across the four-plant, roughly 6,400 MW nuclear fleet gained via the 2024 Energy Harbor acquisition, adding carbon-free capacity without new-build permitting and construction timelines.
Cogentrix Acquisition (Gas Generation)investing
Pending roughly $4.7 billion acquisition of gas generation assets expected to close in the second half of 2026, expanding capacity ahead of a future guidance update; not yet included in current FY2026 EBITDA guidance.
Retail Electricity (TXU and Affiliated Brands)maturing
Roughly 4.3 million customers across 20 states and the District of Columbia provide a natural earnings hedge against merchant generation price swings and a steady base of free cash flow to fund buybacks and growth capex.
Shares fall about 8% amid pre-earnings anxiety, extending pullback to roughly 36% below 52-week high
Trading volume ran more than double the average session as investors de-risked ahead of the August 7 Q2 print, part of a broader pullback across AI-power-adjacent stocks and a wave of analyst price-target trims (Bank of America, TD Cowen, JPMorgan, Raymond James) that nonetheless kept Buy ratings intact.
2026-05-07
Q1 2026 results: adjusted EPS of $2.87 beats $1.32 consensus; EBITDA up 20% year over year; guidance reaffirmed
Adjusted EBITDA of $1.494 billion was driven by Generation ($1.426 billion) and a 19%-plus increase in the Texas retail segment; FY2026 Adjusted EBITDA guidance of $6.8-7.6 billion was reaffirmed, notably excluding the pending Cogentrix acquisition and Meta PPA contribution.
2026-01-27
Vistra signs multi-year nuclear power purchase agreement with Meta for more than 2,600 MW
Extends the company's data-center power strategy beyond existing hyperscaler relationships, using output from the Energy Harbor nuclear fleet as long-duration, carbon-free supply for AI infrastructure.
2026-01-16
White House brokers 13-state agreement targeting PJM capacity price caps
Shares fell 7.4% the same day as investors reassessed the durability of merchant capacity price upside from AI and data-center demand; this remains the single largest identifiable overhang on the stock through 2026.
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We start where most analysts finish: the fundamentals. For every company, our AI ingests years of financial statements — revenue, margins, free cash flow, and how the business has been valued by the market across multiple cycles. But numbers alone don't tell you whether a business is worth owning.
The harder work is qualitative. We assess the competitive moat: is it widening or eroding? We read the leadership track record — how capital has been allocated, whether management has earned trust through consistent execution. We look at what the market is afraid of, and whether that fear is priced in fairly or irrationally.
Valuation is always relative. A stock is cheap or expensive compared to its own history. We build scenario matrices anchored to 5-year historical multiples, then ask: what has to go right for the upside case, and what's the floor if it doesn't?
Finally, we write an 18-month forward outlook — not a price target, but a mental model of where this business will be and what the narrative will look like. Every note is dated and versioned. When material facts change, we update the thesis.
Frequently Asked Questions
Is VST undervalued?
Yes, VST appears undervalued at the current price of $141.72, trading below our fair value estimate of $170.00 (+20% upside). QuantHub considers this a buy zone.
What is VST's fair value?
QuantHub Research estimates VST's fair value at $170.00 based on our proprietary valuation model incorporating historical P/S, P/E, and P/FCF multiples over a 5-year range.
What are the key risks for VST?
PJM price cap regulatory risk: The January 16, 2026 White House-brokered 13-state agreement to cap PJM capacity auction prices sent VST down 7.4% the same day; if enacted, it could compress the capacity-revenue upside central to the AI-power demand thesis. High financial leverage: Debt-to-equity around 3.5-3.7x (total debt near $20.6 billion versus roughly $5.6 billion of equity) with interest coverage under 2x in several recent quarters, leaving limited cushion if commodity prices or refinancing costs move against the company. Merchant power price and hedge-accounting volatility: GAAP quarterly results are highly volatile due to mark-to-market derivative accounting - Q4 2025 posted a negative 55.6% gross margin on hedge losses - making quarter-to-quarter earnings difficult to interpret and increasing headline risk around each print.
What is the bull case for VST?
Structural AI and data-center electricity demand is driving long-term contracted deals - most notably a January 2026 multi-year nuclear power supply agreement with Meta for more than 2,600 MW - on top of a diversified roughly 38,700 MW fleet spanning gas, nuclear, coal, solar and storage; management guides to about 4% annual load growth through 2030. Second-largest nuclear power operator in the US following the 2024 Energy Harbor acquisition, running what the company describes as the largest cor
How confident is QuantHub in VST?
QuantHub has moderate conviction in VST. Research last updated 2026-08-06.