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Sustainability should be top of mind for any company that wants to stay in the game in today’s world.

As important a role as Greenhouse Gas (GHG) emissions play, we also need to focus on noxious emissions versus coal.

Ontario Power Generation (OPG) stations have been running coal-free since 2014, and the changeover has made it possible to decrease not just GHG emissions but also nitrogen oxide, sulphur dioxide and mercury emissions.

OPG says emissions from wood-based biomass generation contain 75 per cent less nitrogen oxide than coal emissions and virtually no sulphur dioxide.

According to OPG’s annual Sustainability Performance Report, thermal atmospheric emissions for sulphur dioxide were reduced by 11,160 tonnes from 2011 to 2015.

Nitrogen oxides were reduced by 5,411 tonnes in the same time period. Most improved is mercury that went from 43kg of emissions in 2011 to zero in 2015 — being 100 per cent mercury free is a pretty good thing.

You can compare more numbers from the report below and check out OPG’s thermal atmospheric emission rates as well.

Thermal atmospheric emissions
Sulphur Dioxide (tonnes):
  • 2015: 104 tonnes
  • 2014: 550
  • 2013: 9,812
  • 2012: 9,705
  • 2011: 11,264
Nitrogen Oxides (tonnes, as NO2):
  • 2015: 383
  • 2014: 654
  • 2013: 4,989
  • 2012: 6,515
  • 2011: 5,794
Mercury (kilograms):
  • 2015: 0 kg
  • 2014: 2.3 kg
  • 2013: 28 kg
  • 2012: 25 kg
  • 2011: 43 kg
Thermal Atmospheric Emission Rates
Sulphur Dioxide (tonnes/GWh-net):
  • 2015: 0.16
  • 2014: 0.76
  • 2013: 3.44
  • 2012: 2.38
  • 2011: 3.03
Nitrogen Oxides (tonnes/GWh-net, as NO2):
  • 2015: 0.52
  • 2014: 0.84
  • 2013: 1.75
  • 2012: 1.60
  • 2011: 1.56

For information on the domestic side click here.

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Power Generation

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Sustainable power

The vast majority of Canadian wood pellets are made from sawmill residuals - sawdust. The rest are made from the residuals from harvesting operations for sawmills and pulp mills, or low-grade timber from forest industry harvest sites that has no other economic value. Think firewood. Read more...

Breathing easier - pellet emissions vs coal

Sustainability should be top of mind for any company that wants to stay in the game in today’s world.

As important a role as Greenhouse Gas (GHG) emissions play, we also need to focus on noxious emissions versus coal.

Read more...

Industry News

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  • Webinar: building sustainable communities with the bioeconomy

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  • Brightmark breaks ground on RNG project in Florida

    Brightmark, a global waste solutions provider, on Nov. 13 broke ground on The Sobek Renewable Natural Gas (RNG) project, which includes the construction of new anaerobic digesters at two Larson family dairy farms in Okeechobee County, Fla. The farms are[…]

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The Pellet Advantage

Efficient and Plentiful Production

Wood Pellet Association of Canada members are world leaders in the design and operation of modern pellet plants.

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