⚠ Regulatory Approval, Then Seven YearsModerate threat

Vistra (VST) — threat to the moat

Contracted in 2026, delivered from 2031 — a long time for a regulator, an engineer or a market to disagree.

The uprate agreements commence delivery in 2031 and reach full volume by the end of 20341. That is a long time for anything to go wrong, and several things can.

Years from signing to deliveryMeta, operating unitsabout 1 yearAmazon, Comanche Peakabout 2 yearsMeta uprates: first powerabout 5 yearsMeta uprates: full volumeabout 9 yearsContracts signed September 2025 (Amazon) and January 2026 (Meta); delivery dates per Vistra filings
Megawatts that already exist deliver within a year or two; the uprate megawatts the market prices today arrive between 2031 and 2034.

The first is regulatory. An uprate requires the Nuclear Regulatory Commission to approve operation at a higher power level, which means analysis, review and the possibility of conditions or denial. This is well-trodden ground and it is not a formality, particularly at plants that have already been uprated once.

The second is engineering. Getting more output from an existing reactor means running equipment closer to its limits, and the equipment in question is decades old. The modifications are substantial capital projects with the usual capital-project risks, executed on plants that must keep operating in the meantime.

The third is that the value depends on a market condition seven years out. The contract fixes the price, which protects Vistra if power prices fall — and means the upside belongs to Meta if the scarcity everyone is forecasting turns out to be worse than expected.

None of this makes the uprates a bad idea; they are the cheapest megawatts available to this company by a wide margin. It makes them a small, slow and conditional part of the investment case, which is not how a headline announcing 2,609 megawatts of agreements tends to read.

References
  1. ReportedThe uprate agreements commence delivery in 2031 and reach full volume by the end of 2034
    Vistra and Meta announce agreements to support nuclear plants in PJM, 9 January 2026 — twenty-year power purchase agreements under which Vistra will supply Meta with a total of 2,609 MW of carbon-free power and capacity from its PJM nuclear plants: 1,268 MW of energy and capacity from Perry and 908 MW from Davis-Besse, plus 213 MW of uprate energy and capacity from Perry, 80 MW from Davis-Besse and 140 MW from Beaver Valley; delivery commences on a portion of the operating energy and capacity in late 2026 with full delivery by year end 2027, and uprate delivery commences in 2031 with full delivery by year end 2034; Vistra agreed to be the preferred power partner for Helix Digital Infrastructure, a newly formed company designed to develop infrastructure for AI-oriented hyperscalers. Meta contracted up to 6.6 GW of nuclear power across agreements with Vistra, Oklo and TerraPower announced the same day — January 2026 · publ. January 2026 · source ↗
Sources
Generated September 23, 2026