William Henry Ellis (engineer)

William Henry Ellis (1870-1958) was a prominent Canadian civil engineer. He is best known for his significant contributions to the design and construction of hydroelectric power facilities in Ontario, particularly those associated with the Hydro-Electric Power Commission of Ontario (later Ontario Hydro).

Ellis graduated from the University of Toronto with a degree in civil engineering. He joined the Hydro-Electric Power Commission of Ontario in its early years and quickly rose through the ranks. He played a crucial role in the development of numerous power projects, contributing to the province's rapidly growing electricity infrastructure.

His work involved various aspects of hydroelectric engineering, including dam design, powerhouse construction, and the installation of generating equipment. He was recognized for his innovative approaches and his commitment to efficiency and reliability. His leadership and technical expertise were instrumental in establishing Ontario Hydro as a world leader in hydroelectric power generation.

Beyond his direct engineering work, Ellis also contributed to the profession through his involvement in engineering societies and his mentorship of younger engineers. He left a lasting legacy in the field of civil engineering in Canada.