Complex sentence: Small scale generating plants were built in Melbourne to serve small areas and industries, however, gas remained the source of street lighting in Melbourne until 1894 after the construction of the Spencer Street power station by the Melbourne City Council.
Split into simpler sentences: Small scale generating plants were built in Melbourne to serve small areas and industries. However, gas remained the fuel for street lighting in Melbourne until 1894, after the construction of the Spencer Street power station by the Melbourne City Council.