An innovative solar system will soon be installed in a building complex in Spain – RELaTED Project

The solar collectors from Inaventa Solar will deliver energy for heating and domestic hot water to a building complex in Spain, owned by the Basque Government. This campus area is defined as a demonstration site within the Horizon 2020 project RELaTED, where the possibilities of ultra-low temperature district heating systems in corporate building complexes are being tested.

Editor’s Note: This article was previously published at Inaventa Solar website.

Inaventa Solar collectors (RELaTED project)

A new solar system is on its way from the factory of the Norwegian manufacturer of solar collectors  Inaventa Solar at Jevnaker to Iurreta in northern Spain. The solar collectors will be installed as a building-integrated solution in one of the south-facing facades of a larger building complex. The solar collectors will deliver energy for heating and domestic hot water preparation to the building itself, while also providing surplus heat to a low-temperature district heating network.

The Iurreta site is a campus comprised of 13 multi-rise buildings with different architectonic designs and use profiles. The complex hosts several of the Basque Country regional police (Ertzaintza)´s emergency, rescue and rapid intervention units. Most of the buildings are dedicated to administrative purposes, but there are also spaces for residential use, sports facilities, warehouses and a public swimming pool.

Conversion of the district heating network of Iurreta into an ultra-low temperature system

Iurreta campus

All buildings in the campus area receive their heating services from a district heating network. The heat is produced by two condensing boilers with a total capacity of 650 kilowatts and the network is originally designed for an operational temperature of 80 degrees. A part of the network is now transformed into an ultra-low temperature network. The reduction of supply-line temperature guarantees the incorporation of low-energy heat sources such as our solar heating system with (...) 

News published on RELaTED
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