# EYDAP opens €100 million tender for the Rafina–Pikermi and Spata–Artemida wastewater plant

> The design-build-operate contract covers the plant, a submarine outfall and seven years of operation, with an option for an eighth.

- Topic: Tender
- Event date: 2026-09-01
- First published on EPC Feed: 2026-10-24T06:44:58.097Z
- Updated: 2026-10-24T06:44:58.097Z
- Value: EUR 100,010,720.35 (Estimated value published on TED.)
- Companies: EYDAP (Athens Water Supply and Sewerage Company)
- Countries: Greece
- Page: https://epcfeed.com/news/eydap-tenders-100m-rafina-artemida-wastewater-treatment-plant


## Key facts

- Contracting authority: EYDAP
- Estimated value: €100,010,720.35
- Model: Design, build and operate (7 years O&M + 1-year option)
- Deadline: 3 November 2026, 11:00 (+02:00)
- Procedure: Open

EYDAP, the water supply and sewerage company of the Greek capital region, published an open procedure on TED on 1 September 2026 for a wastewater treatment plant serving the municipalities of Rafina–Pikermi and Spata–Artemida. The estimated value is €100,010,720.35.

Part 1 of the contract covers the final and detailed design and full construction of the treatment plant and its submarine outfall, putting them into operation with completion tests and training of EYDAP staff, and an administration building with an environmental awareness centre on the site. In Part 2 the contractor operates and maintains the plant and outfall on behalf of EYDAP for seven years, with an option for one more, and carries full responsibility for effluent and sludge performance. The total duration is 114 months.

Tenders are due by 3 November 2026 at 11:00 (+02:00). Procurement documents and submissions go through the ESIDIS Promitheus platform named in the notice.

## Sources

1. [TED notice 601810-2026: Wastewater treatment plant for Rafina–Pikermi and Spata–Artemida (read through the TED Search API)](https://ted.europa.eu/en/notice/-/detail/601810-2026). Official notice, Publications Office of the European Union (TED), Published 2026-09-01, Read 2026-10-23.