Where does Washington get most of its electricity?

Could you tell me, where does Washington primarily source its electricity from? Is it predominantly reliant on fossil fuels like coal and gas, or has it shifted towards more sustainable and renewable energy sources? I'm particularly interested in understanding if there's a significant contribution from renewable energy sources such as solar, wind, or hydroelectric power in the state's energy mix. Additionally, are there any plans or initiatives in place to further diversify and decarbonize Washington's electricity generation?