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Kapsarc

Solar power plant in Ar Riyad, Saudi Arabia. Approximate location 24.87, 46.702.

SolarAr RiyadSaudi Arabia

Kapsarc is a 4 MW solar power plant in Ar Riyad, Saudi Arabia. It is operated by King Abdullah Petroleum Studies and Research center. Based on its capacity (estimated), it can supply roughly 1,489 homes (estimated). It ranks #145 of 146 Saudi Arabia power plants by installed capacity. Commissioned in 2012, it is around 14 years old — relatively modern. As a non-combustion source, it has no direct CO₂ emissions from generation. In context, solar supplies about 1.8% of Saudi Arabia's electricity; the national grid averages 692 gCO₂/kWh (2.2% low-carbon) (2024).

4MW installed capacity
1,489homes powered (est.)
2012commissioned (~14 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1030728.

Capacity vs largest solar plants in Saudi Arabia

Waad Al Shamal ISCC: 50 MW50Waad Al Sh…Duba 1 ISCC: 43 MW43Duba 1 ISCCAl Khafji: 20 MW20Al KhafjiDhahran: 10 MW10DhahranLayla: 10 MW10LaylaKapsarc: 4 MW4Kapsarc

Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).

Owner

Operated by King Abdullah Petroleum Studies and Research center.

Local climate & thermal context

This solar plant converts sunlight directly into electricity with photovoltaic panels. It sits in a hot desert climate (Köppen BWh) — Northern Hemisphere, latitude 24.9°N — which shapes how much energy it can produce and how its output varies through the year.

26.0°Cannual mean temp
215heating degree-days (base 18°C)
3,154cooling degree-days (base 18°C)
618 melevation

Monthly mean temperature

J: 14 °CJF: 17 °CFM: 20 °CMA: 26 °CAM: 32 °CMJ: 34 °CJJ: 36 °CJA: 36 °CAS: 33 °CSO: 28 °CON: 21 °CND: 16 °CD36 °C

Heating degree-days here run 91% below the median power plant in this dataset — a proxy for how much extra energy heated equipment must replace through its surfaces in winter.

Climate heat-demand index: 17/100 — this site sits in the bottom third of the power plants we cover by heating degree-days.

In colder climates, uninsulated hot equipment (boilers, turbines, valves, steam lines) loses proportionally more heat to ambient air — exactly the loss Inzonex modular insulation is designed to cut.

Solar PV loses ~0.35%/°C above 25°C cell temperature — roughly 3.7% at warm-season highs here (estimate).

Climate normals: WorldClim 2.1 (1970–2000 monthly normals, 10 arc-min, CC BY 4.0); zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid). Degree-days & heat-demand index computed by PowerAtlas — a modelled heat-demand proxy, not a measured site figure.

How it compares & nearby plants

The #6 largest solar power plant of 6 in Saudi Arabia by capacity.

Saudi Arabia has 6 solar power plants in this dataset, together about 137 MW of capacity.

Nearby power plants

Location

Coordinates 24.87, 46.702 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

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