In summary , a 500 MWe boiler firing eastern bituminous coal with 0.6 percent sulfur , an ESP , and no SCR or FGD , is estimated to provide the performance and require the resources listed in the first column of Table 4-4 , and estimates of performance and resources needed for other types of fuels and boiler configurations are shown in the other columns .
The 500 MWe coal boiler is very efficient when used in the listed configurations . This has been tested and proven .