Four Customers was Deep Isolation Nuclear’s largest revenue line in fiscal 2025, bringing in $4.61M of $6.25M (74%).
| Customer | FY 2024 | FY 2025 |
|---|---|---|
| Four Customers | $6.15M | $4.61M |
| Revenue Earned From The U.S. Department Of Energy | — | $719.00K |
| Revenue Earned From Oklo | $342.00K | $668.00K |
| Government Customer | $501.00K | $222.00K |
| Commercial Customer | $45.00K | $24.00K |
| Total | $7.04M | $6.25M |
Deep Isolation Nuclear brought in $6.25M from its five revenue lines in fiscal 2025, the year ended December 31, 2025. Deep Isolation Nuclear regrouped these revenue lines after fiscal 2024, so the total does not compare directly with that year's $7.04M. Four Customers was the largest at $4.61M (73.9%), ahead of Revenue Earned From The U.S. Department Of Energy at $719.00K (11.5%) and Revenue Earned From Oklo at $668.00K (10.7%). The other two revenue lines brought in $246.00K combined.
Compared with fiscal 2024, Revenue Earned From Oklo grew fastest, up 95.3% to $668.00K, while Government Customer fell the most, down 55.7% to $222.00K.
Deep Isolation Nuclear began breaking out Revenue Earned From The U.S. Department Of Energy in fiscal 2025, when it brought in $719.00K.
Freestone was Deep Isolation Nuclear’s largest segment in fiscal 2025, bringing in $3.64M of $6.14M (59%).
| Segment | FY 2024 | FY 2025 |
|---|---|---|
| Freestone | $4.18M | $3.64M |
| Deep Isolation Us Emea | $2.88M | $2.49M |
| Total | $7.05M | $6.14M |
Deep Isolation Nuclear brought in $6.14M from its two segments in fiscal 2025, the year ended December 31, 2025. That was down 13.0% from $7.05M in fiscal 2024. Freestone was the largest at $3.64M (59.4%), ahead of Deep Isolation Us Emea at $2.49M (40.6%).
Compared with fiscal 2024, Freestone fell 12.8% to $3.64M and Deep Isolation Us Emea fell 13.3% to $2.49M.
Remediation, Administrative & Consulting Services And Other Revenue was Deep Isolation Nuclear’s largest revenue line in fiscal 2025, bringing in $3.83M of $6.14M (62%).
| Contract with Customer, Basis of Pricing | FY 2024 | FY 2025 |
|---|---|---|
| Grant Revenue | $5.76M | $2.31M |
| Remediation, Administrative & Consulting Services And Other Revenue | $1.30M | $3.83M |
| Total | $7.05M | $6.14M |
Deep Isolation Nuclear brought in $6.14M from its two revenue lines in fiscal 2025, the year ended December 31, 2025. That was down 13.0% from $7.05M in fiscal 2024. Remediation, Administrative & Consulting Services And Other Revenue was the largest at $3.83M (62.4%), ahead of Grant Revenue at $2.31M (37.6%).
Compared with fiscal 2024, Remediation, Administrative & Consulting Services And Other Revenue grew 195.1% to $3.83M, while Grant Revenue fell 59.9% to $2.31M.
Deep Isolation Nuclear (DBHL) reports its revenue by customer, by segment and by contract with customer, basis of pricing. In fiscal 2025, Four Customers was its largest revenue line, bringing in $4.61M (73.9% of the total), followed by Revenue Earned From The U.S. Department Of Energy at $719.00K (11.5%).
Four Customers was Deep Isolation Nuclear's largest revenue line in fiscal 2025, bringing in $4.61M, or 73.9% of the $6.25M total across its five revenue lines.
Freestone was Deep Isolation Nuclear's largest segment in fiscal 2025, bringing in $3.64M, or 59.4% of the $6.14M total across its two segments.
Remediation, Administrative & Consulting Services And Other Revenue grew faster than Grant Revenue in fiscal 2025, up 195.1% from $1.30M to $3.83M. Grant Revenue fell 59.9% to $2.31M.
Every figure comes from Deep Isolation Nuclear's annual financial filings, as reported. Each line keeps the name Deep Isolation Nuclear gives it, and years follow its fiscal calendar.
Deep Isolation Nuclear's revenue by customer goes back to fiscal 2024, with figures through fiscal 2025. The latest four fiscal years are free to view, and the full history is available with a Business Quant subscription.