# Construction begins on Silleno polyethylene plant in Atyrau, Kazakhstan

The first piles were driven for the Silleno polyethylene plant in the Atyrau region of Kazakhstan. The plant will have a capacity of 1.25 million tons of polyethylene per year, with an investment of approximately $7 billion. Construction is expected to be completed by 2028, with production starting in 2029.

- Type: New facility
- Announced: 2025-03-31
- Where: Atyrau region, Kazakhstan
- Value: $7.00B
- Jobs: 8,000
- Starts operating: 2029
- Status: under construction
- Capacity: 1.25 million tons of polyethylene per year
- Products: polyethylene
- Sectors: [Plastics and Polymers](https://endata.com/sectors/plastics-polymers.md)

## Companies

- [Silleno LLP](https://endata.com/companies/73309.md)
- [Sinopec](https://endata.com/companies/1143.md) (partner)
- [SIBUR](https://endata.com/companies/2258.md) (partner)
- [KazMunayGas](https://endata.com/companies/67544.md) (partner)

## Sources

- [kmg.kz](https://www.kmg.kz/en/press-center/press-releases/pervye-svai-polietilen-zavod/), 2025-03-31: "On March 31, 2025, the first piles were driven into the foundation of the future Silleno polyethylene plant within the Special Economic Zone 'National Industrial Oil and Gas Chemical Technopark' in Atyrau region."
- [english.news.cn](https://english.news.cn/asiapacific/20250401/2c828164d0a34df080d4b4d390268ed4/c.html), 2025-04-01: "Construction has begun on Kazakhstan's largest polyethylene production plant, Silleno, in the National Industrial Petrochemical Technopark special economic zone in Atyrau Region."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.