Providing natural gas: -From the ground to you, learn how we deliver natural gas. Delivering energy through our electric systems: -We deliver energy through electric transmission and distribution systems to our customers. Find out more about this system. Collecting hydroelectricity: -Our hydroelectric system provides safe, reliable and clean energy. The history of this hydroelectric network dates back to the California Gold Rush. Learn more about our hydroelectric system. Generating clean, nuclear energy: -The Diablo Canyon Power Plant is a major source of clean energy for PG&E. Learn more about the plant.