5 Net summer capability based on primary energy source. Historical data have been revised to reflect this change. 6 Includes wood, wood waste, peat, wood liquors, railroad ties, pitch, wood sludge, municipal solid waste, agricultural byproducts, straw, tires, landfill gases, and fish oils. 7 Includes petroleum coke. 8 Represents total pumped storage facility production minus energy used for pumping.
Negative generation denotes that electric power consumed for plant use exceeds gross generation.
Includes 216 megawatts multi-fueled capacity and 13 megawatts fueled by hot nitrogen. 10 Does not include petroleum coke consumption of 1,400 thousand short tons in 1997 and 1,769 thousand short tons in 1998. 11 Does not include petroleum coke stocks of 469 thousand short tons at year end 1997 and 559 thousand short tons at year end 1998. 12 Does not include petroleum coke receipts of 2,192 thousand short tons in 1997 and 3,217 thousand short tons in 1998. 13 Includes small amounts of coke-oven, refinery, blast furnance, and landfill gas.