Fourteen Billion Dollars From One SegmentNarrow moat

Vistra (VST) — moat facet

It looks like a retailer with a generation hobby and it is a generator routing its output through its own arm.

Strip out the intersegment sales and Vistra's revenue from outside parties in 2025 was Retail $14,233 million, East $2,169 million, Texas $934 million, West $322 million1. Four-fifths of what the company earns from the outside world is earned by the segment that generates nothing.

External revenue by segment, 2025 ($bn)$14.23bnRetail$2.17bnEast$0.93bnTexas$0.32bnWestTotal $17.74bn - the generation segments invoice Retail, not the market
It looks like a retailer with a generation hobby. It is a generator routing four-fifths of its output through its own arm.

This is the single most misread thing about the company. It looks like a retailer with a generation hobby, and it is a generator whose output happens to be routed through its own retail arm before it reaches a customer.

The consequence for an investor is that revenue is close to useless as a measure of anything here. It captures where in the corporate structure the external invoice was raised, plus a large and volatile amount of hedging revenue that is not a sale at all. Vistra reported $17,738 million of revenue in 2025, of which $766 million was a negative — an unrealized mark on hedges that had not settled2.

The measure that does work is Adjusted EBITDA by segment, and there the picture is entirely different: Retail $1,622 million, Texas $1,834 million, East $2,282 million, West $244 million3. The generation segments earn more than Retail does. They just do not invoice anybody outside the company for most of it.

Anyone comparing Vistra to a peer on revenue, or modelling its top line, is measuring the accounting rather than the business. In the second quarter of 2026 the company missed the consensus revenue estimate by 36% and beat on Adjusted EBITDA in the same report4.

Moat trajectory: Holding steady

The split between where the power is made and where it is invoiced is a feature of the corporate structure, not a trend. It moves with the transfer price, not with the business.

The number that tests this moat
Moat Explorer calc
Retail share of external revenue
$14,233M of $17,738M, 80%

External revenue by segment was Retail $14,233M, East $2,169M, Texas $934M, West $322M. The generation segments look small because they invoice Retail rather than the market - which is why revenue is a poor measure of anything here.

Source: Vistra Corp. Form 10-K, fiscal year 2025 ↗
⚠ Threats to the moat
⚠ THREAT 01
The Segment Result Is a Transfer Price
Move the internal price and the segments swap profit without a thing changing in the world.
References
  1. Moat Explorer calcStrip out the intersegment sales and Vistra's revenue from outside parties in 2025 was Retail $14,233 million, East $2,169 million, Texas $934 million, West $322 million
    Vistra Corp. Form 10-K, FY2025, segment revenue note — total revenues by segment for 2025: Retail $14,340M, Texas $5,353M, East $6,174M, West $325M, Sunset $74M, eliminations $(8,528)M, total $17,738M; intersegment sales Retail $107M, Texas $4,419M, East $4,005M, West $3M, Sunset $(3)M, eliminations $(8,531)M; unrealized hedging revenue $(766)M in 2025 against $1,013M in 2024; realized hedging revenue $583M; transferable PTC revenues $229M; East capacity revenue of $793M sold offset by $566M purchased. For 2024 total revenues were Retail $12,797M, Texas $5,394M, East $5,661M, West $839M, Sunset $39M, eliminations $(7,506)M, total $17,224M; for 2023, Retail $10,572M, Texas $3,979M, East $5,890M, West $866M, Sunset $48M, eliminations $(6,576)M, total $14,779M — FY2025 · publ. February 2026 · source ↗
  2. Moat Explorer calcVistra reported $17,738 million of revenue in 2025, of which $766 million was a negative — an unrealized mark on hedges that had not settled
    Vistra Corp. Form 10-K, FY2025, segment revenue note — total revenues by segment for 2025: Retail $14,340M, Texas $5,353M, East $6,174M, West $325M, Sunset $74M, eliminations $(8,528)M, total $17,738M; intersegment sales Retail $107M, Texas $4,419M, East $4,005M, West $3M, Sunset $(3)M, eliminations $(8,531)M; unrealized hedging revenue $(766)M in 2025 against $1,013M in 2024; realized hedging revenue $583M; transferable PTC revenues $229M; East capacity revenue of $793M sold offset by $566M purchased. For 2024 total revenues were Retail $12,797M, Texas $5,394M, East $5,661M, West $839M, Sunset $39M, eliminations $(7,506)M, total $17,224M; for 2023, Retail $10,572M, Texas $3,979M, East $5,890M, West $866M, Sunset $48M, eliminations $(6,576)M, total $14,779M — FY2025 · publ. February 2026 · source ↗
  3. ReportedThe measure that does work is Adjusted EBITDA by segment, and there the picture is entirely different: Retail $1,622 million, Texas $1,834 million, East $2,282 million, West $244 million
    Vistra Corp. Form 10-K, FY2025, Adjusted EBITDA reconciliation — 2025 Adjusted EBITDA by segment: Retail $1,622M, Texas $1,834M, East $2,282M, West $244M, Sunset $(74)M, Corporate and Other $(70)M, total $5,838M, including nuclear fuel amortisation of $133M in Texas and $354M in East; 2024 Adjusted EBITDA: Retail $1,463M, Texas $2,032M, East $2,017M, West $225M, Sunset $(104)M, Corporate and Other $(94)M, total $5,539M; the 2025 change included higher retail margins "driven by strong counts and one-time gains from supply cost management" of $169M, a $(1,963)M change in unrealized net gain (loss) from commodity hedging transactions, $228M of impairment of long-lived assets and $191M of insurance income — FY2025 · publ. February 2026 · source ↗
  4. ReportedIn the second quarter of 2026 the company missed the consensus revenue estimate by 36% and beat on Adjusted EBITDA in the same report
    Vistra Corp. second quarter 2026 results, 7 August 2026 — Ongoing Operations Adjusted EBITDA of $1,767 million against $1,349 million in Q2 2025 and $1,412 million in Q2 2024, an increase of more than 30%, on revenue of $4.02 billion that missed consensus by roughly a third; 2026 Ongoing Operations Adjusted EBITDA guidance reaffirmed at $6.8 billion to $7.6 billion and Ongoing Operations Adjusted FCFbG at $3.925 billion to $4.725 billion; 2027 Adjusted EBITDA midpoint opportunity range of $7.4 billion to $7.8 billion excluding Cogentrix and the Meta PPA, trending toward the lower end, with those two items potentially adding roughly $700 million; approximately 171 million shares retired at an average cost of approximately $38 per share since November 2021 and more than $6.5 billion returned to shareholders through 3 August 2026; approximately $1.2 billion of share repurchase authorisation remaining, expected to be completed no later than year-end 2027, with a target of at least $1 billion of annual share repurchases and approximately $300 million of common dividends annually; a $1 billion commitment to the Helix data centre platform — Q2 2026 · publ. August 2026 · source ↗
Sources
Generated September 23, 2026