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Air Quality/Non-GHG Emissions

Safety & Environment

Air Quality/Non-GHG Emissions

We predominantly use natural gas for energy production. However, to maintain reliability during periods of gas-system limitations, we retain a backup fuel source. While we had been using No. 6 oil as a backup fuel, two of our steam and electric generating stations have now been converted to be able to burn No. 4 oil instead. This oil is lighter and has a lower concentration of criteria pollutants. All Con Edison units will be converted to have the capability to burn a lighter oil as currently required by law, and in keeping with New York City’s goal of reducing GHG emissions.

DIRECT EMISSIONS (thousand metric tons )

NO?

SO?

2018

1.37

0.20

2017

1.16

0.11

2016

1.24

0.13

2015

1.49

0.32

2014

1.65

0.33

2013

1.90

0.54

2012

1.79

0.56

2011

2.17

0.93

2010

2.47

1.28

2009

2.49

1.53

2008

2.31

1.41

2007

2.79

1.92

2006

2.27

1.73

2005

3.33

2.63

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