some provinces and territories, such as british columbia, manitoba, newfoundland and labrador, quebec and yukon produce over 90% of their electricity from hydro. all of the dams with large reservoirs were completed before 1990, since then most development has been run-of-the-river, both large and small. natural resources canada calculates the current installed small hydro capacity is 3,400 mw, with an estimated potential of 15,000 mw. a report on the future of hydroelectricity, suggests the remaining 78% potential will remain undeveloped up to 2050, citing a lack of public acceptance. the widespread usage of hydroelectricity, including being incorporated into electric utility names such as toronto hydro or bc hydro, has led to "hydro" being used in some parts of canada to refer to electricity in general, regardless of source.