Raised
Private and public equity. Never added to federal money.
Last Energy
Developer of the PWR-5 pilot project at Texas A&M's RELLIS campus.
Deployment stage3 / 8Development
Race position
Megawatts at their strongest documented state, as of 2026-08-06.
DesignPWR-20
Per unit20 MWe
LaneMicroreactor
ListingPrivate
PWR-5 is the 5 MWe pilot version of the same design.
No executed megawatts · announced pipeline only
One gigawatt is 50 × 20 MWe units. No megawatts rest on an executed action yet.
Why this company is on the board: Selected for the DOE Reactor Pilot Program to build and test the PWR-5 at the Texas A&M-RELLIS campus. Source ↗
Funding
Three frames, never added together.
Awarded
Federal awards and cost share. A ceiling, not cash received.
No awarded money on record.
Borrowed
Debt, repayable. Never counted as a raise, federal or private.
No borrowed money on record.
Filed, not raised
A registration filed with the SEC. The filing itself raises nothing.
No filed, not raised money on record.
Cash on hand
A balance, not a raise. Reported by the company at a stated date.
No reported cash position on record.
Licensing
Applications, permits and authorizations, naming the authority in each case.
- 2026-05DOE approved the PWR-5 preliminary documented safety analysis at Texas A&M-RELLIS; criticality not confirmed as of 2026-08-05Permit / authorization · Press-reportedSource ↗
Physical progress
Work at a site. Criticalities are proof the physics works, not electricity.
Nothing on record in this lane as of 2026-08-06.
Program selections and agreements
Being chosen for a program, or signing one. Neither is a permit nor work at a site.
Nothing on record in this lane as of 2026-08-06.
Design proof outside the U.S.
Real progress on the same design abroad. Contributes 0 MWe to the U.S. race.
- Date not statedSigned power purchase agreements for 34 units, 680 MW, with four industrial partners in Poland and the UKDesign proof (non-U.S.) · Press-reported · Non-U.S. capacity. Contributes 0 MWe to the U.S. race.Source ↗
Pipeline
Executed first. Announcements are labeled as announcements and never added to them.
Backed by an executed action
No executed megawatts on record as of 2026-08-06.
Announced, non-binding
- Date not stated600 MWeHaskell County, Texas · 200-acre developer site for up to 30 units; ERCOT interconnection request filed · Press-reportedSource ↗
Company-stated targets
What the company says, printed beside what a regulator has documented. The site never averages a target into a prediction.
No company-stated target on record as of 2026-08-06.
TechnologySmall pressurized-water reactor
Reactor classesGen III+ · Microreactor
Tracked projects1
Highest deployment stage3 · Development
Primary sourceDOE Reactor Pilot Program roster ↗