processing · China

Xinjiang Polysilicon Cluster

The largest concentration of polysilicon production capacity in the world.

OperatingProductionProject score 71
Operator
Independent
Country
China
Mine life
Capex
Profile

Resource, economics and jurisdiction

Resource
Converts metallurgical silicon into solar-grade polysilicon.
Production
A very large share of global polysilicon supply.
Economics
Power cost advantage is the principal driver of competitiveness.
Infrastructure
Very low-cost captive coal power supply.
Jurisdiction
Elevated policy risk
Ownership
Chinese polysilicon producers
Region
Xinjiang
Overview

What this asset is

The largest concentration of polysilicon production capacity in the world.

Methodology

Earthern Project Score 71

Version v0.1

Resource Quality
80 (weight 1.2) — Grade, continuity and metallurgical complexity of the resource.
Project Scale
80 (weight 1) — Annual output potential relative to the global market for its primary mineral.
Development Stage
72 (weight 0.9) — How far the asset has advanced toward or through production.
Jurisdiction
69 (weight 1.1) — Political stability, permitting predictability and rule of law.
Infrastructure
65 (weight 0.9) — Access to power, water, transport and processing capacity.
Economics
75 (weight 1.2) — Cost position and margin resilience through the price cycle.
Strategic Importance
79 (weight 1) — Relevance to national critical mineral strategies and allied supply chains.
Supply-Chain Value
75 (weight 1) — Whether the asset relieves a genuine downstream bottleneck.
Sustainability
70 (weight 0.9) — Carbon intensity, water use, tailings approach and community standing.
Execution Risk
67 (weight 1) — Technical, financing and schedule risk to reaching nameplate output. Higher is lower risk.
Materials

Minerals produced