Table 9.2. Quantity and Net Summer Capacity of Operable Environmental Equipment, 2009 - 2019



Flue Gas Desulfurization Systems Electrostatic Precipitators Baghouses Select Catalytic and Non-Catalytic Reduction Systems Activated Carbon Injection Systems Direct Sorbent Injection Systems
Year Quantity Associated Net Summer Capacity (MW) Quantity Associated Net Summer Capacity (MW) Quantity Associated Net Summer Capacity (MW) Quantity Associated Net Summer Capacity (MW) Quantity Associated Net Summer Capacity (MW) Quantity Associated Net Summer Capacity (MW)
2009 678 174,801 1,456 314,356 597 73,863 1,323 300,007 227 39,546 65 8,242
2010 717 201,079 1,410 310,486 610 83,407 1,360 315,222 262 54,183 66 8,721
2011 731 211,781 1,368 307,043 633 98,507 1,408 331,242 274 59,057 75 8,977
2012 727 219,359 1,291 298,425 629 101,593 1,453 345,257 287 63,709 83 10,618
2013 705 219,359 1,218 289,182 637 104,331 1,458 351,233 262 61,215 97 12,985
2014 702 223,835 1,172 283,940 621 105,990 1,472 358,426 280 69,287 104 16,777
2015 693 224,143 1,037 264,905 623 110,820 1,480 359,885 364 106,450 122 23,307
2016 696 228,504 943 252,904 613 112,581 1,484 362,522 482 153,800 125 26,679
2017 681 222,513 886 244,087 601 109,495 1,492 365,878 477 151,208 126 25,762
2018 662 214,082 840 229,403 582 105,282 1,484 364,743 455 143,471 119 26,261
2019 617 203,035 781 217,328 535 101,839 1,455 361,767 431 136,597 114 25,461

Note:
'Associated Net Summer Capacity' is defined as the net summer capacity of the generators that are associated with the operation of this environmental equipment.
In some cases respondents have reported equipment late. Counts and capacity may have changed from prior publications of this table because of late reporting.
Data for 2005 and earlier are based primarily on Form EIA-767 data. In 2006, the Form EIA-767 was suspended. Data for 2007 and later are based primarily on Form EIA-860 data. All data for 2006 are inferred based on submissions from subsequent years. Beginning in 2013 environmental data was collected at a more detailed level, which increases its accuracy and in some cases reduces the equipment counts.

Source: U.S. Energy Information Administration, Forms EIA-767, "Steam-Electric Plant Operation and Design Report" and Form EIA-860, "Annual Electric Generator Report."