EU PVSEC Programme Online
EU PVSEC 2021, 6 - 10 September 2021
Presentation: 5CV.2.43 Overview of the Initial Energy Production at the 1300 MWp Kalyon Solar Power Plant in Karapınar, Turkey
Type: Visual
Date: Wednesday, 8th September 2021
13:30 - 15:00
Author(s): M. Günöven, H. Karakan, A. Yazici, G. Duman
Presenter / Speaker: M. Günöven, Kalyon PV, Ankara, Turkey
Event: Conference Conference
Session: 5CV.2 Operation, Performance and Maintenance of PV Systems
Topic: 5. 3 Operation, Performance and Maintenance of PV Systems
Summary / Abstract: Karapınar solar power plant (SPP) project is the largest SPP managed by a single investor in a single parcel in the world. The project is the result of a government tender in March 2017, won by Kalyon group. It is the first and currently largest of Renewable Energy Resource Zone tenders, aiming to incentivize solar power production in Turkey. The location that had been selected for the SPP is north of Karapınar town in south-central Anatolia and covers an area of over 19.1 km2, as can be seen in Figure 1. The region has a semi-arid climate and highly saline soil unsuitable for agriculture. The conditions for the tender include to set up a photovoltaics factory to locally produce highly efficient solar cells and modules that are going to be deployed in the SPP. This KalyonPV factory has been built in Ankara, Turkey and started production in August 2020. It combines monocrystalline silicon ingot, G1/M10 size wafer, p-type PERC solar cell and bifacial module production under the same roof. With an installed annual production capacity of 500 MW, which is set to be doubled to 1 GW in the second quarter of 2021, this KalyonPV factory is the biggest such integrated factory outside of China. These glass-glass bifacial modules have front-side power rating of 400 Wp and are well suited to make best use of the diffuse light coming to the rear-side from the highly reflective soil. To further optimize energy production, the modules in Karapınar SPP are mounted on a one-axis vertically tracked system. One tracker row holds 27 modules, with a height from ground of about 1.35 m. 378 such rows are connected to a DC combiner box, and combiner boxes connect to a single central inverter. These 3.43 MWac central inverters have been purpose-designed for the SPP. The commissioning of the first phase of the SPP has started in September 2020; and is proceeding steadily with up to 3 central inverters being completed and commissioned into energy production each week. As of January 31, the installed power has reached 99.3 MWp, or 85.8 MWac. The SPP is scheduled for completion in July 2023, when the installed capacity will reach 1347.7 MWp, or 1000 MWac. 330 central inverters will be commissioned in total, connected to almost 3.4 million modules. The Karapınar SPP is expected to produce around 2500 GWh of energy annually, and meet the electricity needs of around 2 million people.