Fuel Mix

Each year the Washington State Energy Office at the Washington Department of Commerce publishes fuel mix generation categories and percentage calculations based on data from regional power suppliers. The power generation categories for Grant PUD’s 2015 report is listed here in alphabetical order.

Type Percentage
Biomass .55%
Coal 15.06%
Cogeneration 0%
Geothermal 0%



Landfill Gasses


Natural Gas 5.37%
Nuclear .73%
Other .23%
Petroleum .12%
Solar 0%
Waste 0%
Wind 0%

Carbon Content: The carbon content of the energy we deliver to Grant PUD customers is 0.205 metric tons per megawatt hour, using Grant PUD Commissioner approved methodology and 2016 data.