NORI and TOML Properties (Clarion-Clipperton Zone) PEA: $18.08B NPV, 35.6% IRR
The Metals Company Inc.'s NORI and TOML Properties (Clarion-Clipperton Zone) in Clarion-Clipperton Zone, northeast Pacific Ocean, between Hawaii and Mexico has a Preliminary Economic Assessment (PEA) outlining an after-tax NPV of $18.08B, an after-tax IRR of 35.6%, and initial capital of $8.85B. The proposed mine plan runs 23 years.
The Metals Company Inc.'s NORI and TOML Properties (Clarion-Clipperton Zone) has reported Preliminary Economic Assessment (PEA) results for the nickel (with manganese, cobalt, copper) project in Clarion-Clipperton Zone, northeast Pacific Ocean, between Hawaii and Mexico. The study headlines an after-tax net present value of $18.08B at a 8% discount rate. It reflects The Metals Company Inc.'s (TMC) latest disclosed economics for the asset.
Economics. The after-tax NPV is $18.08B using a 8% discount rate. After-tax IRR is 35.6%. Initial capital expenditure is estimated at $8.85B, with life-of-mine sustaining capital of $5.30B. The study models a payback period of 2 years.
Production and mine plan. The project envisions a deep-sea seabed nodule collection (offshore) operation. Life of mine is 23 years.
Resources and ownership. The company holds a 100% interest in the project.
These figures are extracted from The Metals Company Inc.'s technical disclosures and reflect the most recent PEA on file. Compare this project against other developers and producers in our project economics database, and always verify the numbers against the original technical report before making any investment decision.
Reserves & Resources
| Category | Tonnage | Grade | Contained |
|---|---|---|---|
| Inferred | 72 Mwmt | 1.35% Ni, 1.06% Cu, 0.22% Co, 28.0% Mn | — |
| Inferred | 36 Mwmt | 1.43% Ni, 1.13% Cu, 0.25% Co, 28.9% Mn | — |
| Inferred | 402 Mwmt | 1.26% Ni, 1.03% Cu, 0.21% Co, 28.3% Mn | — |
| Inferred | 114 Mwmt | 1.11% Ni, 0.96% Cu, 0.23% Co, 25.0% Mn | — |
| Measured | 3 Mwmt | 1.3% Ni, 1.0% Cu, 0.2% Co, 27.6% Mn | — |
| Indicated | 14 Mwmt | 1.3% Ni, 1.1% Cu, 0.2% Co, 28.6% Mn | — |
| Inferred | 63 Mwmt | 1.2% Ni, 1.0% Cu, 0.3% Co, 25.9% Mn | — |
| Indicated | 15 Mwmt | 1.3% Ni, 1.2% Cu, 0.2% Co, 30.5% Mn | — |
| Inferred | 115 Mwmt | 1.3% Ni, 1.1% Cu, 0.2% Co, 28.2% Mn | — |
| Indicated | 29 Mwmt | 1.3% Ni, 1.2% Cu, 0.2% Co, 30.1% Mn | — |
| Inferred | 102 Mwmt | 1.3% Ni, 1.2% Cu, 0.2% Co, 28.8% Mn | — |
| Inferred | 58 Mwmt | 1.3% Ni, 1.1% Cu, 0.2% Co, 28.7% Mn | — |
| Indicated | 12 Mwmt | 1.5% Ni, 1.2% Cu, 0.1% Co, 32.5% Mn | — |
| Inferred | 244 Mwmt | 1.4% Ni, 1.2% Cu, 0.1% Co, 32.2% Mn | — |
Our Analysis
- IRR after-tax
- 35.6%
higher than 61% of 365 projects we track
- NPV after-tax
- $18.08B
higher than 99% of 501 projects we track
- Initial capex
- $8.85B
49% of NPV
costlier than 99% of 479 projects we track
- Payback
- 2yrs
slower than 36% of 294 projects we track
- Mine life
- 23yrs
- Discount rate
- 8%
The Clarion-Clipperton Zone project is, on paper, an $18.08B after-tax NPV against a company worth roughly US$2.22B. The number that actually governs the outcome sits on the other side of the ledger: $8.85B of initial capex, about four times the entire market capitalisation. No mid-cap writes a cheque that size quietly. This is a financing event dressed as a mining study, and how it is funded, not the headline return, determines what existing holders end up owning.
The economics are genuinely good. A 35.6% after-tax IRR ranks above 61% of the 365 projects we track, and the NPV ranks above 99% of 501. Payback of two years is moderate, faster than 64% of the 294 projects we track, which matters because it shortens the window in which a lender or partner is exposed. Capex at 49% of NPV is low relative to the 479 projects we track, where it sits below 1% on that measure. The 8% discount rate is a reporting convention and tells us nothing.
Two caveats temper all of it. This is a PEA: scoping-level, potentially built on inferred resources, with a capital estimate that typically carries a plus or minus 50% band. And the asset sits in the deep seabed between Hawaii and Mexico, a jurisdiction with no established mining permitting track record, which is precisely the kind of risk that makes the equity gap between NPV and market cap a two-sided signal rather than a free lunch.
The deciding question is not the IRR. It is who funds $8.85B, on what terms, and how much of the project today's shareholders still own when the first nodule comes up.
Our take, benchmarked against the project economics in the Mining Stocks database. Figures are estimates drawn from company technical reports — not investment advice; always verify against the source filing.