use after incentives in the 1960s-1980s Wind 39,135 95 2.3% 28% $97 Low capacity factor, maturing technology, cost more than doubles offshore Biomasshvood 11,406 56 1.4% 56% $112 Expensive to aggregate and collect; high capital costs relative to energydensity Geothermal 2,405 18 0.4% 85% $102