"height of power" is a perfectly correct and usable expression in written English.
It's commonly used to describe someone or something that is enjoying a supreme level of success, influence, or authority. For example, "At the height of his power, the CEO was making millions a year and had control over a large international corporation."
One of its most memorable passengers is a raja, seen at the height of power and privilege as the book begins.
It traces the ascent of the wily tactician Thomas Cromwell from his gutter origins in Putney to the height of power in the court of Henry VIII.
1999: The businessman reaches his height of power and political influence by being appointed the deputy secretary of Russia's security council and securing a place among the Yeltsin inner circle known as the "family".
Do the Maya depictions of blood-letting exaggerate an aberrant streak in an otherwise humane culture, or are they accurate indicators of a society that spent its best energies on battling its way to a height of power only to bleed itself to death?
Passing by the glittering luxury cars, with models draped elegantly over the hoods, you might get the impression that you were witnessing the height of power for the automotive industry.
The Tang Empire was at its height of power up until the middle of the 8th century, when the An Shi Rebellion (December 16, 755 – February 17, 763) destroyed the prosperity of the empire.
The career of Labour insider Derek Draper has lurched from the heights of power to disgrace and exile – then back again.
These technological and political revolutions would seem to have raised the United States and the Soviet Union to unequaled heights of power.
On his face was a look of resignation, common to many millions of first-generation immigrants who knew the very heights of power were not for them.
But the overall winner has unquestionably been the president, who has reached heights of power that the framers would scarcely have imagined.
