Nuclear Plants & Restarts

Hyperscalers buy electrons with duration. Existing reactors, uprates and restarts are the only large firm carbon-free supply available this decade.

Fuel→Reactor→PPA→Campus

Tightness score ⓘ

#24 of 56

▲ Tightening

Supply concentration4

Lead time5

Capex intensity5

Geopolitical exposure2

Pricing power5

Lead time

24–60 mo

Theme 1M

+4.0%

% in uptrend

50%

Metric to watch

Hyperscaler PPAs with nuclear operators, uprate approvals, and restart milestones.

What would prove us wrong

Weakens if hyperscaler PPAs stall and merchant power prices fall without demand growth.

Dependencies

Equal-weight · rebased 100 · 1Y

Stocks we track

Who controls this bottleneck

Roles, not recommendations. Delayed prices; local currency.

Stock	Role	Listing	Last	1D	1M	3M	YTD	Off 52w high	Next earnings
CEG Constellation Energy	Largest US nuclear fleet; hyperscaler PPAs	NASDAQ US	$262.4	−0.83%	+1.3%	−4.0%	−25.4%	−31.0%	2026-11-09
VST Vistra	Nuclear and gas fleet with data-centre offtake	NYSE US	$138.4	−1.83%	−1.0%	−11.1%	−13.8%	−27.9%	2026-11-06
TLN Talen Energy	Nuclear-adjacent campus power	NASDAQ US	$343.1	−1.64%	+6.2%	−0.4%	−8.5%	−21.7%	2026-11-03
PEG Public Service Enterprise Group	Nuclear fleet in PJM	NYSE US	$74.29	+0.90%	+9.4%	−2.2%	−5.1%	−12.3%	2026-11-02

Auto-updated