Indonesia's state utility names this site in its own switchgear: PLN energised a 150 kV high-voltage consumer substation at the GIIC estate in Cikarang whose bay is designated for the Microsoft JKT 11 A and B lines, announced in February 2026 and built by PLN UIP JBT with the contractor Electrizen. The pairing matters, because what directories carry as one building the utility supplies as two. Construction at the Kota Deltamas site began in January 2022 and the Indonesia Central cloud region it serves opened on 27 May 2025, against a Microsoft commitment of 1.7 billion US dollars across the country between 2024 and 2028. PLN is separately building a 150 kV substation at Margakarya for the JKT 09 and JKT 02 lines in Karawang, a different regency.
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Frequently asked questions
How is the Cikarang site powered?
Through a dedicated 150 kV high-voltage consumer substation at the GIIC estate, built by PLN UIP JBT with the contractor Electrizen and announced as energised in February 2026.
Why do the utility's records refer to two lines?
PLN designates the bay for the Microsoft JKT 11 A and B lines, so the site directories treat as a single building is supplied as two.
When did construction start and the region open?
Building work began in January 2022; the Indonesia Central cloud region it supports opened on 27 May 2025.
Which other Microsoft sites is PLN connecting?
A 150 kV substation at Margakarya, in the KIIC estate at Karawang, is being built for the JKT 09 and JKT 02 lines.