Air Emissions Reporting

Welcome to our emissions levels database


Nova Scotia Power is striving to be an environmental leader, delivering the cost-effective power that customers demand in a sustainable way. As key part of our environmental leadership is publicly sharing our air emission data. You can access the past several years of air emissions from our power plants.

TOTAL SYSTEM EMISSIONS (ALL PLANTS)


System Totals
YearMercury (kg)Sulphur Dioxide (tonnes)Carbon Dioxide Equivalent (tonnes)Nitrogen Oxide (tonnes)
2005105103,77210,648,42232,305
2006162106,6179,745,36828,040
2007157108,54710,145,35525,862
2008163107,4739,782,24921,398
2009140100,8689,375,87017,075(21,365 tonne cap)
201081.5(110 kg cap)61,904(72,500 tonne cap)9,250,254(9.6 Megatonne (Mt) capaverage over 2010-2011)18,230 (21,365 tonne cap)
201195 (100 kg cap)64,810 (72,500 tonne cap)8,569,186 (9.6 Mt cap average over 2010-2011)18,009 (21,365 tonne cap)
201293.9 (100 kg cap)66,260 (72,500 tonne cap)7,572,982(9.25 Mt cap average over 2012-2013)15,640 (21,365 tonne cap)
201372.5(85 kg cap) 67,806(72,500 tonne cap) 7,677,227(9.25 MT cap average over 2012-2013) 16,998(21, 365 tonne cap)
201453.95(65 kg cap) 60,902(72,500 tonne cap) 7,252,218(8.8 Mt cap average over 2014-2016) 16,902(21,365 tonne cap)
201555.0(65 kg cap) 60,608(304,500 tonne cap over 2015-2019) 7,130,732(8.8 Mt cap average over 2014-2016) 15,026(96,140 tonne cap over 2015-2019)
201660.5(65 kg cap)61,897(304,500 tonne cap over 2015-2019) 7,081,309(8.8 Mt cap average over 2014-2016)15,633(96,140 tonne cap over 2015-2019)
201765(65 kg cap)63,894(304,500 tonne cap over 2015-2019) 6,725,126(8 Mt cap average over 2017-2019)15,348(96,140 tonne cap over 2015-2019)
201863.4(65 kg cap)62,607(304,500 tonne cap over 2015-2019) 6,922,873(8 Mt cap average over 2017-2019)14,732(96,140 tonne cap over 2015-2019)
2019(65 kg cap)(304,500 tonne cap over 2015-2019) (8 Mt cap average over 2017-2019)(96,140 tonne cap over 2015-2019)
2020(35 kg cap)(36,250 tonne cap)7.5 Mt cap(14,955 tonne cap)
System Totals - Emission Intensities
YearMercury (g/GWh)Sulphur Dioxide (g/kWh)Carbon Dioxide Equivalent (g/kWh)Nitrogen Oxide (g/kWh)
20059.038.92915.082.78
200615.3710.15927.642.67
200713.199.15855.252.18
200813.849.13830.961.82
200912.388.92829.321.51
20107.115.40807.521.59
20118.445.78764.791.12
20129.606.77781.191.60
20136.936.48747.451.62
20145.245.927061.64
2015 5.275.826861.44
2016 6.06.1700.11.5
2017 6.46.2656.51.5
20186.05.9652.61.4

Emissions intensity numbers based on electricity sales