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Reg A+TRL87.6–8.5Tier IIClosing soon

Ballast Grid Systems

Ballast Thermal Storage Retrofit

Fixed-rate notes on salt storage bolted onto an operating plant, so a baseload machine can chase the peak price.

A nuclear plant is a machine that produces constant heat, and an electricity market pays wildly varying prices for it. Storing heat in molten salt during cheap hours and drawing it down during expensive ones is arbitrage against the plant's own inflexibility, using equipment already proven at concentrated solar plants. No nuclear license amendment is required because nothing on the nuclear side is modified.

North Platte Generating Station · Casper, WYNot applicableEscrow: Meridian Trust, N.A.
TRL 8 of 9, band 7.6 to 8.5, signed by Dr. Samuel Adeyemi, PhD Nuclear Engineering; ASME Section III reviewer, on Apr 9, 2026.See the evidence it rests on

$20,240,000 committed of $22,000,000

$18,216,000 released · 92% subscribed

Released to the issuerCommitted, held in escrowRemaining
Minimum
$500

$100 per unit

Target coupon
6.45%

Annual, fixed

Term
5 yr
Investors
2,961

Closed August 14, 2026

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Use of proceeds

  • 51%Molten salt tanks and heat exchangers
  • 26%Secondary steam extraction tie-in
  • 14%Controls and market dispatch integration
  • 5%Commissioning
  • 4%Offering expenses and platform fees

The issuer

Molten salt thermal storage bolted onto existing nuclear plants so a baseload machine can follow load and sell into peak pricing.

Legal name
Ballast Grid Systems, Inc.
Entity
Delaware C-corporation
Jurisdiction
Wyoming
Founded
2020

  • Tomas LindgrenChief Executive Officer

    Thermal storage and power block integration. Built two concentrated solar storage systems.