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RARE EARTHSFEASIBILITY STUDYPROJECT ECONOMICS

Nechalacho Project (Basal Zone) Feasibility Study: C$1.20B NPV, 20% IRR

ByMining Stocks Research
Sep 10, 2026
Source:Avalon Advanced Materials Inc.
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Avalon Advanced Materials Inc.'s Nechalacho Project (Basal Zone) in Thor Lake, Northwest Territories, Canada has a Feasibility Study outlining an after-tax NPV of C$1.20B, an after-tax IRR of 20%, and initial capital of C$1.60B.

Avalon Advanced Materials Inc.'s Nechalacho Project (Basal Zone) has reported Feasibility Study results for the rare earths project in Thor Lake, Northwest Territories, Canada. The study headlines an after-tax net present value of C$1.20B at a 8% discount rate. It reflects Avalon Advanced Materials Inc.'s (AVL.TO) latest disclosed economics for the asset.

Economics. The after-tax NPV is C$1.20B using a 8% discount rate. After-tax IRR is 20%. Initial capital expenditure is estimated at C$1.60B.

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

These figures are extracted from Avalon Advanced Materials Inc.'s technical disclosures and reflect the most recent Feasibility Study 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.

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Our Analysis

IRR after-tax
20%

higher than 19% of 349 projects we track

NPV after-tax
C$1.20B

higher than 73% of 446 projects we track

Initial capex
C$1.60B

133% of NPV

costlier than 89% of 447 projects we track

Discount rate
8%

A 20% after-tax IRR puts this project in the bottom quartile of the 349 we track, ahead of only 19% of them, yet its C$1.20B after-tax NPV ranks above 73% of the 446 projects in our database. That split is the whole story: a large absolute prize earned at a modest rate of return. The NPV is doing the work of scale, not of efficiency, and investors should read the ranking gap as a signal about how much capital has to be committed to convert the resource into that value.

The constraint is the build. Initial capex of C$1.60B is 133% of NPV, a ratio lower than only 11% of the 447 projects we track, so this sits among the most capital-hungry assets on our list. Against a US$4.89B market cap the C$1.60B build is roughly 0.2x, which is the reassuring half of the picture: this is one of 12 projects in the portfolio, and the company can absorb the spend without the financing being existential. The NPV is also about 0.2x market cap. The gap between a C$1.20B asset and a market that ascribes it roughly a fifth of that can mean the market has yet to credit the project, or that it is discounting development, permitting and rare-earth price risk. Both readings are live.

The feasibility study is the build-ready estimate, typically carrying a plus or minus 15% band, so these figures deserve more weight than a scoping exercise would earn. Thor Lake sits in the Northwest Territories, a stable Canadian jurisdiction, which supports the numbers rather than inflating them. No live price is available for rare earths, so the study's own assumption is the sensitivity that matters. The question that decides this: can a 20% return carry a C$1.60B build through financing and permitting without eroding the NPV that makes it worth doing?

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.

View the source filing from
Avalon Advanced Materials Inc.
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