Clean fuel alternatives Increased interest in global warming has focused new attention on nuclear energy as a clean fuel alternative.
Nuclear plants emit none of the greenhouse gases produced by fossil-fueled plants.
Pinnacle West Energy's three nuclear units produce more than 40 percent of the electricity our customers use. Natural gas fueling and combined cycle technology increase energy efficiency. The combined cycle technology, which uses waste heat to drive an additional power generator, results in significantly lower emissions than other fossil-fueled units. When planning new generation facilities, we look for cost-effective, clean power generation whenever possible. PWE recognizes that there is a strong demand for clean fuel generation.