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LITHIUMPFSPROJECT ECONOMICS

Clearwater Project PFS: $3.72B NPV, 24.6% IRR

ByMining Stocks Research
Jun 14, 2026
Source:E3 Lithium Ltd.
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E3 Lithium Ltd.'s Clearwater Project in Alberta, Canada (Bashaw District) has a Pre-Feasibility Study (PFS) outlining an after-tax NPV of $3.72B, an after-tax IRR of 24.6%, and initial capital of $2.46B. The mine plan runs 50 years at about 25850 t LHM/yr per year.

E3 Lithium Ltd.'s Clearwater Project has reported Pre-Feasibility Study (PFS) results for the lithium project in Alberta, Canada (Bashaw District). The study headlines an after-tax net present value of $3.72B at a 8% discount rate. It reflects E3 Lithium Ltd.'s (ETL.V) latest disclosed economics for the asset.

Economics. The after-tax NPV is $3.72B using a 8% discount rate. After-tax IRR is 24.6%. Initial capital expenditure is estimated at $2.46B, with life-of-mine sustaining capital of $1.26B. The study models a payback period of 4.25 years. All-in sustaining costs are pegged at 6200 USD/tonne LHM. Economics are based on Average LHM Price (BMI) US$31,344/tonne LHM.

Production and mine plan. The project envisions an in-situ brine extraction (dle) operation. Life of mine is 50 years. Average annual production is approximately 25850 t LHM/yr. Metallurgical recovery averages 95%.

Resources and ownership. The company holds a 100% interest in the project.

These figures are extracted from E3 Lithium Ltd.'s technical disclosures and reflect the most recent PFS 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

Mineral Reserves (P&P)
CategoryTonnageGradeContained
Proven & Probable1.14 Mt LCE——
Mineral Resources (M&I&I)
CategoryTonnageGradeContained
Measured6.85 Mt LCE——
Indicated14.35 Mt LCE——
Measured & Indicated21.22 Mt LCE——
Inferred0.32 Mt LCE——
Mining Stocks Research

Our Analysis

IRR after-tax
24.6%

higher than 43% of 21 projects we track

NPV after-tax
$3.72B

higher than 62% of 24 projects we track

Initial capex
$2.46B

66% of NPV

costlier than 87% of 23 projects we track

Payback
4.2yrs

slower than 80% of 15 projects we track

Mine life
50yrs
Discount rate
8%
Study price assumption
Average LHM Price (BMI) US$31,344/tonne LHM

A US$2.46 billion build against a US$39 million market capitalisation is the fact that governs everything else here. The capex is roughly 64 times the company's entire equity value. No nano-cap writes a cheque of that size from its own balance sheet; it gets built by someone else's money, whether that is a strategic partner, a streaming or offtake prepayment, a joint-venture farm-down, or equity issued at a fraction of the asset's NPV. Each path transfers value away from today's holders, and the scale of the gap means the dilution or partner share would not be marginal. The 96.6x NPV-to-market-cap ratio can be read as an asset the market has not recognised, or as a market that has looked at the funding arithmetic and the PFS-stage estimate and declined to underwrite it. Both readings are live.

The economics themselves are respectable rather than exceptional. A 24.6% after-tax IRR sits above the roughly 15% developers typically need for project finance and clears the 20%+ bar that a higher-risk junior with little else in the portfolio would face, but it ranks in the lower half of the 21 lithium projects we track. The US$3.72 billion after-tax NPV ranks above 62% of the 24 we track, and payback at 4.2 years is long, slower than 80% of the 15 projects we track. A 50-year mine life is the genuine counterweight: it speaks to durability and to a deposit that could support staged, self-funding expansion rather than a single all-in commitment.

Two caveats temper that. This is a pre-feasibility study, so capex and returns carry a wide band and are not yet a build decision. And the returns rest on the study's own average LHM price assumption of US$31,344 per tonne, which is a modelling input rather than an observed level; treat it as a sensitivity, since a lower realised price would compress the IRR and stretch the payback further. The question that decides this project is whether a partner can be brought in on terms that fund the build without handing away the asset.

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.

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E3 Lithium Ltd.
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