The phrase "a powerful contribution to" is correct and usable in written English.
It can be used when discussing the impact or significance of someone's work or input in a particular field or context.
Example: "Her research has made a powerful contribution to the understanding of climate change."
Alternatives: "a significant impact on" or "a meaningful addition to".
Her whistle-blowing was a powerful contribution to the debate over national security.
It is also a powerful contribution to current debates about the meanings, persistence, and drawbacks of empire.
We would not accept a proposal unless it was well supported by scientific evidence, made a powerful contribution to conservation and required real political commitment.
The Wind in the Willows by Kenneth Grahame (1908) The evergreen tale from the riverbank and a powerful contribution to the mythology of Edwardian England.
The independent production community has made a powerful contribution to interactive programme formats, cross platform television projects and stand-alone interactive media.
But it has a powerful contribution to make to a modern argument about the delights of obscurity, and how much should be sacrificed to perpetual illumination.
Interventions to promote healthy eating make a potentially powerful contribution to the primary prevention of non communicable diseases.
The most powerful contribution to stories of this kind – and the only one that makes it the centre of the story is Jenny Downham's Unbecoming.
Perhaps her most powerful contribution to public debate has been her call for emotional literacy, in politics and in everyday life.
Worked digitally on the computer, they appeared to be shaded by translucent fabrics and were his powerful contribution to bubbling and refreshing prints.
The regressions on the residuals demonstrated a powerful contribution of the curvature of the measured utility functions to explaining choice behavior.
