The tower is to have a dual structural system composed of a central reinforced concrete core and a perimeter composite moment frame. The two systems are connected at regular intervals along the height using steel outrigger and belt trusses.
Postponement of the construction
On 20 February 2015, Pertamina Finance Director Arief Budiman, confirmed that further construction of the Pertamina Energy Tower was suspended due to "depressed oil prices." 
Restart of a scaled-down tower
CNN reported in 19 April 2016 that a scaled-down 30-storey tower (instead of the original 99 storey) will be restarted by a local state-owned bank PT Bank Negara Indonesia Tbk (BNI) 
^Charles Besjak, Preetam Biswas, Georgi I. Petrov, Matthew Streeter, Devin Austin (2017). "Effects of Perimeter to Core Connectivity on Tall Building Behavior". International Journal of High-Rise Buildings. 6 (1).CS1 maint: uses authors parameter (link)