The Environment

Goreway Power Station's staff and management are committed to operating in a safe and responsible manner and for being active and trustworthy members of the communities where we work and live.

Biodiversity and Habitat Stewardship

Goreway Power Station (GPS) is a strong supporter of biodiversity conservation. The Station's design and site layout has been developed with careful attention to ensure existing natural habitats are preserved.

To accomplish this, only 21% of the 20 hectare site has been developed. The buildings and support facilities were situated to avoid impacts to Mimico Creek and its floodplain area that crosses the westerly section of the property.  We are working in partnership with Toronto and Region Conservation Authority (TRCA) to restore the Mimico Creek Aquatic Habitat on our site.  This project included creating a new wetland habitat for birds, animals and fish.  In addition, the Station's setback from Goreway Drive preserves the existing natural area along the easterly portion of the site with trees, wetland/meadow and stream.

To augment the site's existing natural features and to provide additional visual screening, additional features have been introduced across the site including a storm water management pond, berms, a variety of plants, shrubs and tree plantings.

As part of our habitat stewardship, we have an annual tree planting event with our staff, the TRCA and members of the community; and an Earth Week cleanup of the site’s natural areas.

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Air Quality

By combining the best qualities of clean-burning natural gas with state-of-the-art emission controls, such as Selective Catalytic Reduction (SCR) to reduce smog-forming NOx emissions, GPS’s stack emissions are well below regulatory requirements and only a small fraction of the emission rates of existing coal-fired power plants. For example:

· NOx emissions are considerably less than 8.5 % of the allowable limit.

· CO emissions are considerably less than one third of the allowable limit

· SO2 emissions are less than 1% of the allowable limit

Noise Control

GPS has invested more than $10 million in noise abatement equipment and building layout design to reduce or eliminate typical noise associated with electricity generation.

GPS’s noise emissions were extensively modeled and validated to confirm compliance with the Ontario Ministry of Environment and Climate Change (MOECC) Environmental Compliance Approval (ECA).

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Water Use

The steam exhausted from GPS’s steam turbine is directed to a dry air-cooled condenser (ACC), where it is condensed and recycled back to the heat recovery boilers as feedwater and therefore using less than 5% make-up.

Most conventional power stations utilize either a "once-through cooling or evaporative cooling. These conventional cooling systems use large amounts of water and produce a significant amount of plume, especially during the winter season.  By contrast, GPS’s Air-Cooled Condensers not only avoid the environmental impacts associated with once-through or evaporative cooling, they also reduce water consumption to levels 95% lower than a conventional evaporative cooling system.

Safe Operating Practices

Safety procedures have been rigorously developed in consultation with local, provincial and federal authorities and regulators.

Certification

On November 14, 2013, GPS was awarded the Wildlife at Work certification from the Wildlife Habitat Council showing GPS’s commitment to a stringent standard of environmental stewardship supporting wildlife habitat enhancement and restoration.