[The PJM average emissions rate has declined from 1,092 lbs / MWh in 20125
 to 851 lbs / MWh in 2019 ( 22 % reduction).5 We continue to make
 improvements to our existing plants to make them more fuel - efficient ,
 and our recent investments in Keys Energy Center ( Maryland ) , Sewaren 7
 ( New Jersey ) and Bridgeport Harbor Station Unit 5 ( Connecticut )
 further advance our overall efficiency .]