Offshore wind made headway as Canada weighs pitches for a C$200 million ($159 million) pot to support renewable energy projects that have little to no presence in the Great White North.

Canada received 54 proposals totaling 5,000 megawatts submitted by companies in a test of market appetite for bringing new energy types to the country, Andre Bernier, senior director at Natural Resources Canada, said. Offshore wind—which hasn’t taken hold in Canada like it has in Europe and the U.S.—was...