SENERtrough - Model Valle 1 and 2 - Parabolic Trough Collectors
From Solar Products
SENERtrough parabolic trough collectors reduces the costs of harvesting energy and building the plant. Valle 1 and Valle 2 are two adjacent solar plants that generate electricity by means of parabolic trough collectors. The use of concentrated solar radiation as a primary energy allows Valle 1 and Valle 2 to prevent the annual emission of more than 95,000 tonnes of CO2. In this regards, each of the plants supplies clean and safe energy to more than 40,000 homes.
Products Details
Parabolic trough collectors technology
The construction of Valle 1 and Valle 2 used the best parabolic trough collectors technology available at the time, SENERtrough®, whereby solar radiation is concentrated into a central collector with thermal oil circulating through it. These collectors have a high-precision optical sensor that follows the sun from east to west. The hot oil is used to vaporize water, which, by expanding in a steam turbine, activates an electricity generator that feeds the power to the grid.
These collectors, which were previously developed and qualified by SENER, incorporated design improvements that reduced the costs of harvesting energy and building the plant.
The Valle 1 and Valle 2 plants allowed for the incorporation of a second-generation of parabolic trough collectors, the SENERtrough®-2 system, which is now present in the world’s main solar thermoelectric energy plants, such as the NOORo solar complex in Morocco, and several plants in South Africa.
Characteristics
Characteristics of Valle 1 and Valle 2:
- Electric power generation: 50 MW
- Net electric production typically yielded to the grid: 136-145 GWh/year
- Solar field: 510,000m2 of SENERtrough® parabolic trough collectors
- Thermal storage system: each of the plants has 7 hours’ capacity, which means the stability of the electricity grid can be sustained for 2,900 hours per year at full charge.
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