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Solar thermal district heating


Technology Description

Solar district heating plants employ sizeable fields of solar thermal collectors to supply or upgrade the heat in district heating networks. The technology is highly modular, and can therefore be applied - subject to space - to district heating networks from block to city sizes. The solar collector fields can be deployed on the ground, but can also be integrated into building-roofs. The technology necessary provides only a share of all heat, which typically hovers around 10-50% of system needs. A key constraint is the space required for renewable energy such as solar thermal. In order to keep costs to a minimum, they need to be installed close to the heat consumers, where land availability is the most scarce.

Relevance for Net Zero

Solar district heating is only a complementary technology to district heating networks, but can provide benefits in niche markets in particular.

Key Countries

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