"consolidated power" is correct and usable in written English.
It is often used to describe the concentration of political or economic control into the hands of a small number of people or entities. For example: "The ruling party made repeated attempts to consolidate power by appointing loyalists to important positions."
After all, who else are you going to trust with all that consolidated power?
But the United States and other Western allies withdrew even before the Taliban consolidated power.
They sacrificed the urban areas and consolidated power in rural districts.
She pressed for democracy when President Daniel arap Moi consolidated power after a 1982 coup attempt.
A cabal of junior military officers had ruthlessly consolidated power in the decade since the overthrow of Haile Selassie.
After the defeat of the Taliban in 2001, the previously subjugated Tajiks consolidated power in the province, monopolizing government posts and proliferating the ranks of the national police.
They joined with Islamist militants who had moved in to northern Mali from Algeria, but the Islamists then turned on many of the Tuaregs and consolidated power.
Mao's brief romance of the nation's top minds while the Communist Party consolidated power gave way to repeated purges and persecutions that continued through his death in 1976.
Neither Kim Jong Il nor Bashar al-Assad got his job the way his father did -- as a military leader who grabbed and consolidated power.
Now that it is seeking control of NBC Universal in a $30 billion transaction, those competitors are piping up, expressing fears that Comcast will use its consolidated power to favor its own content and squeeze out rivals.
The death of Ms. Weinstein's father came at a turning point for Egyptian Jews — a year after a military coup overturned the monarchy and a year before the coup leader, Col. Gamal Abdel Nasser, consolidated power in his own name.
