Saudi Arabia: Women’s University with Solar District Heating

A 25.4 MWth plant produces heat for the women’s university in Saudi Arabia, the Princess Nora Bint Abdul Rahman University in Riyadh. The campus offers space for 40,000 students, lecturers and other staff, 13 faculties, accommodations, research facilities and a hospital. The collectors feed the heat into the return line of the district heating system. The grid´s return temperature is 72 °C, the feed-in temperature 92 °C. The Austrian company AEE Intec designed the primary solar loop, including field hydraulics, stagnation behavior and safety features. Millennium Energy Industries from Jordan was responsible for setting up the plant.
Photo: Millennium Energy Industries

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Name of project / installation site

Princess Noura University for Women (PNUW) / Riyadh


Saudi Arabia

Start of operation

July 2011


Solar district heating for space heating and hot water demand

Gross collector field size

25.4 MWth / 36,300 m2

Storage size

6 Storage tanks à 150 m3 each as well as 9,000 m3 grid volume

Predicted specific solar yield per year


Predicted solar share



Kingdom of Saudi Arabia, Millennium Energy Industries is sub-contractor to a Joint-Venture between El-Seif Contracting and Consolidated Contracting Company (CCC), which are responsible for implementing the infrastructure works (Package 3) of the PNUW project including the solar system


AEE Intec, Austria


Millennium Energy Industries, Jordan

Collector manufacturer

Greenonetec, Austria


Millennium Energy Industries, Jordan,

More information


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