The Alto Tâmega Hydropower scheme, included in the global contract for the conception and design of the “Alto Tâmega, Daivões, Gouvães and Padroselos Hydropower Schemes”, has a vault of double curvature concrete dam, 106.5 m maximum height above the foundation and 334 m crowning development;

The Alto Tâmega Hydropower scheme comprises:

  • Dam on the Tâmega river, in vault of double curvature concrete dam, with 106.5 m maximum height above the foundation and with 334 m crowning development;
  • Water intake and hydraulic circuits;
  • The dam is protected against over-topping by two spillways, separated from the dam body. The shaft, dia. 9,0m, and the auxiliary spillways, designed for maximum discharges of 1510 and 300 m³/s;
  • Hydroelectric plant foot dam, with 2 groups, equipped for maximum flow of 200 m³/s and the maximum power 160 MW.

Client

IBERDROLA, S.A.

Project Dates

2008 – 2011

Partners

Aqualogus, Engenharia e Ambiente, Lda
Iberinsa, SA

Project Figures

Amount of contract:
4,566,520.00 €