# Alcoa Corporation

Group identifier: aiwaw:alcoa-corporation  
Ultimate owner: Ultimate owner not established in GLEIF  
Basis of membership: group as recorded in company documents – Source [C]: “Companies” register – group entry in company documents (no relations in GLEIF)  
Data as of: 2026-10-21, version 2.32  
Page: https://ai-waw.com/en/companies/groups/alcoa-corporation

## At a glance

Alcoa Corporation – 4 companies in the register with 4 plants in 2 countries (most: Spain 2, Norway 2). Metals of the plants: aluminium. Main links of the chain: smelting and refining – 3 plants; raw materials – 1 plant. Membership follows the group as recorded in company documents, without a GLEIF consolidation relationship. Largest full capacity in a single stage: primary aluminium smelter (aluminium) – 510 kt/yr, 3 operating plants (no ownership shares in plants).

## Value-chain coverage

| Link | Plants | Stages |
|---|---:|---|
| Raw materials | 1 | alumina refinery 1 |
| Smelting and refining | 3 | primary aluminium smelter 3 |
| Processing | 0 | – |
| Products | 0 | – |
| Recycling | 0 | – |
| End uses | 0 | – |

## Plants by country

| Country | Plants |
|---|---:|
| Spain | 2 |
| Norway | 2 |

## Full capacity by metal and stage

Full capacity of operating single-metal plants – separately for each stage and unit; no sum across stages (a smelter and an extrusion press process the same metal) and no ownership shares in plants (next stage). Multi-metal plants – in the totals table below.

| Metal | Stage | Full capacity | Unit | Plants in total |
|---|---|---:|---|---:|
| aluminium | primary aluminium smelter | 510 | kt/yr | 3 |
| aluminium | alumina refinery | 1,575 | kt alumina/yr | 1 |

## Group structure

- **Alcoa Corporation** (corporate group; aiwaw:alcoa-corporation)
  - [Alcoa](https://ai-waw.com/en/companies/alcoa.md) (company; Norway; register · C)
    - Alcoa Mosjøen (Mosjøen, Norway) – plant; primary aluminium smelter; operating; Capacity: 188 kt/yr; class B
  - [Alcoa Lista](https://ai-waw.com/en/companies/alcoa-lista.md) (company; Norway; register · C)
    - Alcoa Lista (Farsund, Norway) – plant; primary aluminium smelter; operating; Capacity: 94 kt/yr; class B
  - [Alcoa San Ciprián](https://ai-waw.com/en/companies/alcoa-san-ciprian.md) (company; Spain; register · C)
    - refinery (San Ciprián, Spain) – plant; alumina refinery; operating; Capacity: 1,575 kt alumina/yr; class B
  - [Alcoa Inespal, S.L.](https://ai-waw.com/en/companies/alcoa-inespal-s-a.md) (company; Spain; LEI 549300GGHUBUZP721181; Business register B28000164; register · C)
    - San Cibrao (Cervo) – aluminium smelter (San Cibrao (Cervo), Spain) – plant; primary aluminium smelter; operating; Capacity: 228 kt/yr; class C

## Capacity and output of the group companies’ plants

Totals cover the full capacity (and output) of operating plants owned by the group companies, without taking shares in jointly owned plants into account; capacity attributed to the group by share will be added in the next stage. Only values in the same unit and for the same metal are added up.

| Metal | Stage | capacity / output | Unit | Plants in total |
|---|---|---:|---|---:|
| aluminium | alumina refinery | 1,575 (capacity) | kt alumina/yr | 1 |
| aluminium | primary aluminium smelter | 510 (capacity) | kt/yr | 3 |

## Flow analyses

“Metal flows” analyses in which plants of the group companies appear; below – analyses covering the metal and country of the group plants.

- [EU-27 Aluminium Flows](https://ai-waw.com/en/metal-flows/eu-aluminium-flow-analysis.md) – in the analysis: 2 plants, 2 companies

## Similar groups

Similarity: common metals (weight 0.5), chain links (0.3) and plant countries (0.2) – Jaccard index; only groups with at least one common metal.

- [Uniprom](https://ai-waw.com/en/companies/groups/uniprom.md) – in common: aluminium; raw materials, smelting and refining
- [Metlen Energy & Metals](https://ai-waw.com/en/companies/groups/metlen-energy-metals.md) – in common: aluminium; raw materials, smelting and refining
- [UC Rusal](https://ai-waw.com/en/companies/groups/uc-rusal.md) – in common: aluminium; raw materials, smelting and refining
- [Vimetco N.V.](https://ai-waw.com/en/companies/groups/vimetco-n-v.md) – in common: aluminium; raw materials, smelting and refining

## Data quality

- Source class of plants: A 0, B 3, C 1
- Plants verified at source: 4 / 4 (2026-10-08 – 2026-10-10)
- Ownership relationships of companies: GLEIF relationship (class A): 0 of 4; group as recorded: 4 of 4; companies with an LEI: 1 of 4
- Basis of membership: group as recorded in company documents (class C)

The group card (page and Markdown) is open to text and data mining with attribution; the JSON data – like the other JSON data of the register – is reserved as a compiled database. Relationships from GLEIF: CC0 1.0.