Complex sentence: As of 2014 new wind power is cheaper than new coal and gas power in Australia, China and USA also the electricity produced from a photovoltaic roof system is cheaper than the electricity from the grid in many countries and places in the world.
Split into simpler sentences: As of 2014 new wind power is cheaper than new coal and gas power in Australia, China and the United States. Also the electricity produced from a photovoltaic roof system is cheaper than the electricity from the grid in many countries and places in the world.