Complex sentence: In Ontario, Bullfrog's power is a mix of 20% wind and 80% hydro, representing 0.0003% of the electricity generated in the province, where almost three-quarters of the grid's power comes from nuclear and coal-burning generators.
Split into simpler sentences: In Ontario, Bullfrog's power is a mix of 20% wind and 80% hydro, representing 0.0003% of the electricity generated in the province. In contrast, almost three-quarters of the system's power comes from nuclear and coal-burning generators.